diff --git "a/RegexPSPACE_fewshot.jsonl" "b/RegexPSPACE_fewshot.jsonl"
new file mode 100644--- /dev/null
+++ "b/RegexPSPACE_fewshot.jsonl"
@@ -0,0 +1,1685 @@
+{"idx": 0, "query": "(b+b)*(d+d)*", "tree_length": 9, "depth": 3, "minimized_regex": "b*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "b?(b(b+d)+b*d*)", "not_equivalent_regex": "b**(b+d)d?", "positive_example": "bd", "negative_example": "bdbbd"}
+{"idx": 1, "query": "b+d+c*+(c+d)d*", "tree_length": 13, "depth": 3, "minimized_regex": "b+c?d*+c*", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "b+c?(c+d*+(cc)*)", "not_equivalent_regex": "b?d*(c+c+cd)", "positive_example": "cdddddd", "negative_example": "cddbdd"}
+{"idx": 2, "query": "(b+c)c*(cd+d?)", "tree_length": 13, "depth": 3, "minimized_regex": "(b+c)c*d?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(b+b?cc*)(c+d)?", "not_equivalent_regex": "(b?+d*)(c*+d*)", "positive_example": "bcccccc", "negative_example": "cccccbc"}
+{"idx": 3, "query": "aad*(b*+d+d)", "tree_length": 13, "depth": 3, "minimized_regex": "aad*b*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "aa((b+dd*)b*)?", "not_equivalent_regex": "aa+d?+(a+b)*", "positive_example": "aabbbbbb", "negative_example": "adadddb"}
+{"idx": 4, "query": "(b*+b*)(b*+c*)", "tree_length": 11, "depth": 3, "minimized_regex": "b*c*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "(cc+(c+bb*)c*)?", "not_equivalent_regex": "cb*b?c*", "positive_example": "cccccccc", "negative_example": "cccb"}
+{"idx": 5, "query": "b*+c+c+(c+d)d*", "tree_length": 13, "depth": 3, "minimized_regex": "c?d*+b*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "c+((c+d)d)?d*+b*", "not_equivalent_regex": "bc*(b?+d?)", "positive_example": "cddddd", "negative_example": "cddbdddd"}
+{"idx": 6, "query": "a*+bb+b?d*", "tree_length": 12, "depth": 3, "minimized_regex": "b?(b+d*)+a*", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "b?(b+dd*)+a*", "not_equivalent_regex": "d*(a?+b*)", "positive_example": "bdddd", "negative_example": "daddd"}
+{"idx": 7, "query": "(a+b+b+d)c*?", "tree_length": 11, "depth": 3, "minimized_regex": "(a+b+d)c*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "a+b+(d+(a+b)c)c*", "not_equivalent_regex": "a?(c+d)(b*+b*)", "positive_example": "dccc", "negative_example": "dccacc"}
+{"idx": 8, "query": "(b*+c?)(b+d)*", "tree_length": 10, "depth": 3, "minimized_regex": "c?(b+d)*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "c?(b+d)*+(cb)?d", "not_equivalent_regex": "(c+c*)(b?+cd)", "positive_example": "cddbddbd", "negative_example": "dcbbbb"}
+{"idx": 9, "query": "a*?+(a+c)d*", "tree_length": 10, "depth": 3, "minimized_regex": "(a+c)d*+a*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ad+(a+c)d*+a*", "not_equivalent_regex": "aa+c*+(a+d)*", "positive_example": "addddd", "negative_example": "aaddd"}
+{"idx": 10, "query": "a*a?c?d?", "tree_length": 11, "depth": 3, "minimized_regex": "a*c?d?", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "(aa+a*(a+c))?d?", "not_equivalent_regex": "(a+a+a+c)(a+d)c*", "positive_example": "aaaaaa", "negative_example": "adaa"}
+{"idx": 11, "query": "(c+c*)(c+d*)", "tree_length": 9, "depth": 3, "minimized_regex": "c*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "(c(cc)*c?)?d*", "not_equivalent_regex": "(c*+c*)(c+d)d?", "positive_example": "dddddddd", "negative_example": "dccccc"}
+{"idx": 12, "query": "(a*+c*)(a*+d?)", "tree_length": 11, "depth": 3, "minimized_regex": "(a*+c*)(d+a*)", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(a*+c*)(d+a*)", "not_equivalent_regex": "a*(a+d)+c*?", "positive_example": "caaaaaa", "negative_example": "cccaaaac"}
+{"idx": 13, "query": "(a+a+c*)(c*+d+d)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+c*)(d+c*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "cd+(a+c*)(d+c*)", "not_equivalent_regex": "ac*(a+d+d*)", "positive_example": "cccccc", "negative_example": "cccccdc"}
+{"idx": 14, "query": "(d+c+d)a?b*", "tree_length": 11, "depth": 3, "minimized_regex": "(c+d)a?b*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(c+d)a?(bb)*b?", "not_equivalent_regex": "a*(c+d)(b*+b?)", "positive_example": "dbbbbbbb", "negative_example": "abbbbb"}
+{"idx": 15, "query": "b*+cc+c*d*", "tree_length": 12, "depth": 3, "minimized_regex": "c*d*+b*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "c*(c+d)d*+b*", "not_equivalent_regex": "b*(b+c)b*(d+d)", "positive_example": "cccd", "negative_example": "bdd"}
+{"idx": 16, "query": "(c+c*)(b*+c?)", "tree_length": 10, "depth": 3, "minimized_regex": "c*b*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "c*b*+(bb)*", "not_equivalent_regex": "(bb+b+c)c*(c+c)", "positive_example": "ccccbbbb", "negative_example": "bccbbbbb"}
+{"idx": 17, "query": "b*c*(cd+cd)", "tree_length": 13, "depth": 3, "minimized_regex": "b*c*cd", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "((c+bb*)c*)?cd", "not_equivalent_regex": "(bc+b+d)(d*+d?)", "positive_example": "bbbbccd", "negative_example": "dbcccd"}
+{"idx": 18, "query": "(a*+d*)(b?+b+d)", "tree_length": 12, "depth": 3, "minimized_regex": "(a*+d*)(b+d)?", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "ab+(a*+d*)(b+d)?", "not_equivalent_regex": "(ab+ad)(b+d)*", "positive_example": "ddddb", "negative_example": "aaaabaab"}
+{"idx": 19, "query": "(b*+b?)(c+d)d?", "tree_length": 12, "depth": 3, "minimized_regex": "b*(c+d)d?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "b*(c+(c+d)?d)", "not_equivalent_regex": "(bd+d+d)c*d?", "positive_example": "bbbbbbd", "negative_example": "db"}
+{"idx": 20, "query": "a?d*(b*+bb)", "tree_length": 12, "depth": 3, "minimized_regex": "a?d*b*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "d*b+a?d*b*", "not_equivalent_regex": "(a*+a*)(b*+d?)", "positive_example": "a", "negative_example": "bbbbbbdb"}
+{"idx": 21, "query": "(a*+d?)(d*+d+d)", "tree_length": 12, "depth": 3, "minimized_regex": "a*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "a*((a+d?d)d+d*)", "not_equivalent_regex": "da*(a+a)d*", "positive_example": "dddddd", "negative_example": "addddadd"}
+{"idx": 22, "query": "(a+d)c*+bdc*", "tree_length": 13, "depth": 3, "minimized_regex": "(a+b?d)c*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "(a+b?d)c*+b?d", "not_equivalent_regex": "(a+d)*(b+d+c*)", "positive_example": "dccc", "negative_example": "dccd"}
+{"idx": 23, "query": "(a+c)d*(b?+b+d)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+c)d*b?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ab+(a+c)d*b?", "not_equivalent_regex": "(a+d+b+c)d*?", "positive_example": "cddb", "negative_example": "cddddbb"}
+{"idx": 24, "query": "(a*+a?)(c*+c?)", "tree_length": 11, "depth": 3, "minimized_regex": "a*c*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "(aaa*)*a?c*", "not_equivalent_regex": "a?a?c**", "positive_example": "cccccc", "negative_example": "aaccca"}
+{"idx": 25, "query": "(a+b+b*)d?*", "tree_length": 10, "depth": 3, "minimized_regex": "(a+b*)d*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "(a+bb?d+b*)d*", "not_equivalent_regex": "(a+b)*(b+b+d?)", "positive_example": "ad", "negative_example": "bbbbba"}
+{"idx": 26, "query": "a*a?(c?+cd)", "tree_length": 12, "depth": 3, "minimized_regex": "a*(cd?)?", "minimized_tree_length": 8, "minimized_depth": 4, "equivalent_regex": "a*(ac?+cd?)?", "not_equivalent_regex": "(a?+ad)(a+c)*", "positive_example": "aaaaaaac", "negative_example": "aadd"}
+{"idx": 27, "query": "a*b?c?(d+d)", "tree_length": 12, "depth": 3, "minimized_regex": "a*b?c?d", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "(a*(a+b))?c?d", "not_equivalent_regex": "a*?(b+c+cd)", "positive_example": "aaaabd", "negative_example": "aaaabdb"}
+{"idx": 28, "query": "d*(a?+b*)", "tree_length": 8, "depth": 3, "minimized_regex": "d*(a+b*)", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "d*(a+(b+d)b*)?", "not_equivalent_regex": "a?d*(b*+bb)", "positive_example": "dddbbbb", "negative_example": "ddada"}
+{"idx": 29, "query": "a?b?(b+b+c*)", "tree_length": 12, "depth": 3, "minimized_regex": "a?b?(b+c*)", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "cc+a?b?(b+c*)", "not_equivalent_regex": "a*a*(b+c+cc)", "positive_example": "ab", "negative_example": "abccb"}
+{"idx": 30, "query": "(b*+b?)c*c*", "tree_length": 11, "depth": 3, "minimized_regex": "b*c*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "b*((bc)?c)?c*", "not_equivalent_regex": "b*c?(b+b)c*", "positive_example": "bbbbcccc", "negative_example": "cbbcc"}
+{"idx": 31, "query": "(a+a+a+c)(a+d)c*", "tree_length": 14, "depth": 3, "minimized_regex": "(a+c)(a+d)c*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(a+c)(a+d)c*", "not_equivalent_regex": "a+c+c?+(a+d)*", "positive_example": "cdcc", "negative_example": "adcccdcc"}
+{"idx": 32, "query": "ab+dd+(a+d)*", "tree_length": 12, "depth": 3, "minimized_regex": "ab+(a+d)*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "a(b+a?d)?+(a+d)*", "not_equivalent_regex": "(a*+ab)b*dd", "positive_example": "dddaad", "negative_example": "addddbdd"}
+{"idx": 33, "query": "(a+c)d?+b*d?", "tree_length": 12, "depth": 3, "minimized_regex": "(a+c+b*)d?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "b*(b+d)+(a+c)?d?", "not_equivalent_regex": "(ab+b+c)(d*+d*)", "positive_example": "bbbbbbd", "negative_example": "bbdbbbbb"}
+{"idx": 34, "query": "(b+a+b)(b+c)c*", "tree_length": 12, "depth": 3, "minimized_regex": "(a+b)(b+c)c*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(ab+(a+b)(b+c))c*", "not_equivalent_regex": "(a+c?)(a*+a+b)", "positive_example": "acccc", "negative_example": "cabc"}
+{"idx": 35, "query": "(a+a+d*)(bb)*", "tree_length": 11, "depth": 3, "minimized_regex": "(a+d*)(bb)*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+bb+d*)(bb)*", "not_equivalent_regex": "a*+a?+(b+d)*", "positive_example": "abbbbbb", "negative_example": "ababbbb"}
+{"idx": 36, "query": "(a+c+b*)c*(c+c)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+b*)c*c", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "((a+b*)c*+b*)c", "not_equivalent_regex": "(a+b)b*(b+c)*", "positive_example": "cccc", "negative_example": "ccb"}
+{"idx": 37, "query": "(a*+aa)(a+b+a+d)", "tree_length": 14, "depth": 3, "minimized_regex": "a*(a+b+d)", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "aa?+a*(a+b+d)", "not_equivalent_regex": "a?b*a?(d+d)", "positive_example": "ab", "negative_example": "abd"}
+{"idx": 38, "query": "(c+c+d)c?d*", "tree_length": 11, "depth": 3, "minimized_regex": "(c+d)c?d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "cd?+(c+d)c?d*", "not_equivalent_regex": "c*(c+d+dd)", "positive_example": "dddddd", "negative_example": "dddc"}
+{"idx": 39, "query": "(a+d)(a+d)(b*+b*)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+d)(a+d)b*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(da+(a+d)(a+d))b*", "not_equivalent_regex": "a*(a+b)+b+d+d*", "positive_example": "dd", "negative_example": "ddbbbab"}
+{"idx": 40, "query": "a*+ad+(a+c)d*", "tree_length": 13, "depth": 3, "minimized_regex": "(a+c)d*+a*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a(d+a*)+(a+c)d*)?", "not_equivalent_regex": "(a+c+c+c)c?d*", "positive_example": "aaaaa", "negative_example": "cdddadd"}
+{"idx": 41, "query": "(a+a)*c*cc", "tree_length": 11, "depth": 3, "minimized_regex": "a*c*cc", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "(ac+a*)ccc*", "not_equivalent_regex": "(c+a+a)(a+c)c*", "positive_example": "aacccccc", "negative_example": "aaccac"}
+{"idx": 42, "query": "b*cc(c*+c?)", "tree_length": 12, "depth": 3, "minimized_regex": "b*c*cc", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "b*((b+c)c*)?cc", "not_equivalent_regex": "(b*+c+c)c?*", "positive_example": "ccc", "negative_example": "bcbbbccc"}
+{"idx": 43, "query": "(a?+b*)(cd)*", "tree_length": 10, "depth": 3, "minimized_regex": "(a+b*)(cd)*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "bb+(a+b*)(cd)*", "not_equivalent_regex": "(a+d)c?(b*+b?)", "positive_example": "", "negative_example": "bbbbcad"}
+{"idx": 44, "query": "a*c*c*(c+c)", "tree_length": 12, "depth": 3, "minimized_regex": "a*c*c", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "a*(aac)?cc*", "not_equivalent_regex": "a*c?a*(c+c)", "positive_example": "aaaccccc", "negative_example": "aacccca"}
+{"idx": 45, "query": "(b+d)d*+(c+d)*", "tree_length": 11, "depth": 3, "minimized_regex": "(b+(c+d)*)d*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "((b+c)d*+(c+d)*)d?", "not_equivalent_regex": "b*(b+d)+c?+d*", "positive_example": "cdcccd", "negative_example": "cbcddddd"}
+{"idx": 46, "query": "a*(a+c)(a?+a+a)", "tree_length": 13, "depth": 3, "minimized_regex": "a*(a+ca?)", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "a(c+a*)+a*ca?", "not_equivalent_regex": "(a+a+a+c)(a+c)c*", "positive_example": "aaaac", "negative_example": "aacaaac"}
+{"idx": 47, "query": "aa+b*+b*c*", "tree_length": 12, "depth": 3, "minimized_regex": "aa+b*c*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "aa+(bc+b*)c*", "not_equivalent_regex": "a*+a+a+b*c?", "positive_example": "bc", "negative_example": "ccbcccc"}
+{"idx": 48, "query": "b*c?(b+d+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "b*c?(b+d*)", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "b*(cd+c?(b+d*))", "not_equivalent_regex": "b*bc+c*d*", "positive_example": "bcdddddd", "negative_example": "bbddbddd"}
+{"idx": 49, "query": "db*(d*+d?)", "tree_length": 10, "depth": 3, "minimized_regex": "db*d*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "d(b*d*+b?(b+d))", "not_equivalent_regex": "b*d*(b+d+d*)", "positive_example": "db", "negative_example": "dbbbbddb"}
+{"idx": 50, "query": "a*c?+cdd*", "tree_length": 12, "depth": 3, "minimized_regex": "cd*+a*c?", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "cd*+a*c?", "not_equivalent_regex": "(ac+c+d)c*c?", "positive_example": "aa", "negative_example": "acddd"}
+{"idx": 51, "query": "a*a?+b*(b+c)", "tree_length": 12, "depth": 3, "minimized_regex": "b*c?+a*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "b(b+c)+b*c?+a*", "not_equivalent_regex": "(a?+c*)(bc)*", "positive_example": "bc", "negative_example": "bcbbbc"}
+{"idx": 52, "query": "(b*+c?)c?c?", "tree_length": 11, "depth": 3, "minimized_regex": "(c+b*)c?c?", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "bc+(c+b*)c?c?", "not_equivalent_regex": "b*bcc**", "positive_example": "bbb", "negative_example": "cbcc"}
+{"idx": 53, "query": "a*b*+ad+b+d", "tree_length": 13, "depth": 3, "minimized_regex": "a?(d+a*b*)", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "ad+a?(d+a*b*)", "not_equivalent_regex": "(a+b*)a*(b+d)", "positive_example": "abb", "negative_example": "abab"}
+{"idx": 54, "query": "(a*+a?)(b+c+cd)", "tree_length": 13, "depth": 3, "minimized_regex": "a*(b+cd?)", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "a*(b+cd?)", "not_equivalent_regex": "(a+c+b+b)d*d?", "positive_example": "b", "negative_example": "aaaaabab"}
+{"idx": 55, "query": "a*(a+d)+c*d*", "tree_length": 12, "depth": 3, "minimized_regex": "(c*d*+a*)d?", "minimized_tree_length": 11, "minimized_depth": 4, "equivalent_regex": "(c*d*+a*)d?+c*", "not_equivalent_regex": "(a+a)(c+c)+c*d*", "positive_example": "ccccccc", "negative_example": "aaadaaad"}
+{"idx": 56, "query": "(b+d+c*)c*c*", "tree_length": 12, "depth": 3, "minimized_regex": "(b+d)?c*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "(b+d+b?c)?c*", "not_equivalent_regex": "b*d*+c?+d*", "positive_example": "b", "negative_example": "dcb"}
+{"idx": 57, "query": "d*(a+a+b+d)", "tree_length": 10, "depth": 3, "minimized_regex": "d*(a+b+d)", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "d*(a+b+d(da?)?)", "not_equivalent_regex": "(a+a+d?)(b*+d?)", "positive_example": "dddda", "negative_example": "dddbddd"}
+{"idx": 58, "query": "(b+c+c*)c*d*", "tree_length": 12, "depth": 3, "minimized_regex": "b?c*d*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "(b+(b?c)?c*)d*", "not_equivalent_regex": "(b+c)c*+c?+d*", "positive_example": "ccccdd", "negative_example": "bcdccc"}
+{"idx": 59, "query": "ac+b+c+(a+d)*", "tree_length": 12, "depth": 3, "minimized_regex": "b+a?(c+(a+d)*)", "minimized_tree_length": 11, "minimized_depth": 5, "equivalent_regex": "b+a?(c+d)?+(a+d)*", "not_equivalent_regex": "(a+b)d*+c+d+d*", "positive_example": "ddddddda", "negative_example": "dadddcad"}
+{"idx": 60, "query": "ab(d+d)+(c+d)*", "tree_length": 12, "depth": 3, "minimized_regex": "abd+(c+d)*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(ab+c*)d+(c+d)*", "not_equivalent_regex": "(c+c*)(a+d+b*)", "positive_example": "cdddccdd", "negative_example": "cddaccdd"}
+{"idx": 61, "query": "(ad+b+d)(d*+dd)", "tree_length": 14, "depth": 3, "minimized_regex": "(b+a?d)d*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "b+(a+b)?dd*", "not_equivalent_regex": "(d+d*)(a+b)d?", "positive_example": "d", "negative_example": "bdbd"}
+{"idx": 62, "query": "(a+b)*+b+b+d?", "tree_length": 11, "depth": 3, "minimized_regex": "d+(a+b)*", "minimized_tree_length": 6, "minimized_depth": 3, "equivalent_regex": "d+(bb+b*a)*b*", "not_equivalent_regex": "(ab+b+d)(d*+d*)", "positive_example": "abaabbb", "negative_example": "ababbadb"}
+{"idx": 63, "query": "(b?+c+c)(b?+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "(b+c)?(b+d*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "bd?+(b+c)?(b+d*)", "not_equivalent_regex": "b?d*+ccd*", "positive_example": "ddd", "negative_example": "bddbdddd"}
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+{"idx": 85, "query": "a?c*(a+a+b+b)", "tree_length": 13, "depth": 3, "minimized_regex": "a?c*(a+b)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a?c*+(cc)*)(a+b)", "not_equivalent_regex": "a*a*(b?+cc)", "positive_example": "cb", "negative_example": "acac"}
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+{"idx": 93, "query": "a*c*c*d?", "tree_length": 11, "depth": 3, "minimized_regex": "a*c*d?", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "a*(ac+c*(c+d))?", "not_equivalent_regex": "a*(c+c)+a*d?", "positive_example": "acccc", "negative_example": "acccad"}
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+{"idx": 110, "query": "b*b?(bb+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "b*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "b*((bd)?dd+d*)", "not_equivalent_regex": "(b*+d+d)(d+d)*", "positive_example": "bbbbd", "negative_example": "dbbbd"}
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+{"idx": 112, "query": "a*d?(b+b)*", "tree_length": 10, "depth": 3, "minimized_regex": "a*d?b*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "(ab+a*(a+d))?b*", "not_equivalent_regex": "a*b*(bd+d?)", "positive_example": "b", "negative_example": "aadaadbb"}
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+{"idx": 118, "query": "a*c*+(c+c)(d+d)", "tree_length": 13, "depth": 3, "minimized_regex": "cd+a*c*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(cd+(c+a*a)c*)?", "not_equivalent_regex": "(a+a+a+d)(c*+d*)", "positive_example": "aaaaaa", "negative_example": "daaacc"}
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+{"idx": 121, "query": "(b*+b+b)(d*+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "b*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "b*d*+(dddd)*", "not_equivalent_regex": "(b*+bd)d*?", "positive_example": "bdd", "negative_example": "dbbbbbbb"}
+{"idx": 122, "query": "d*(a+b+d*)", "tree_length": 9, "depth": 3, "minimized_regex": "d*(a+b)?", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "(d*(a+b+db?))?", "not_equivalent_regex": "(a+d)b*b*d?", "positive_example": "dddddddd", "negative_example": "ddddadb"}
+{"idx": 123, "query": "a?d*+b*+d+d", "tree_length": 12, "depth": 3, "minimized_regex": "a?d*+b*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "a+(a?d)?d*+b*", "not_equivalent_regex": "(a*+a+a)(ad+b*)", "positive_example": "b", "negative_example": "bbbabb"}
+{"idx": 124, "query": "b**(bc+b+d)", "tree_length": 11, "depth": 3, "minimized_regex": "b*(d+bc?)", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "b+b*(d+b(b+c+d))", "not_equivalent_regex": "(b?+dd)(c*+c?)", "positive_example": "bbbbd", "negative_example": "bcbbc"}
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+{"idx": 142, "query": "(a+c+bd)d*d*", "tree_length": 13, "depth": 3, "minimized_regex": "(a+c+bd)d*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "a+(c+(a+b+c)d)d*", "not_equivalent_regex": "(a+d)d*+(b+c)d*", "positive_example": "a", "negative_example": "cdddda"}
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+{"idx": 150, "query": "(a*+c?)b*c*", "tree_length": 11, "depth": 3, "minimized_regex": "(c+a*)b*c*", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "bb+(c+a*)b*c*", "not_equivalent_regex": "(a+b)?(c+c)*", "positive_example": "aaaac", "negative_example": "acaaaaac"}
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+{"idx": 160, "query": "(a+d+d*)(b+b+d*)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+d*)(b+d*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a(b+d*)+d*(b+d))?", "not_equivalent_regex": "(a+a+d+d)(a+b)*", "positive_example": "addddd", "negative_example": "aaddd"}
+{"idx": 161, "query": "(a+d?)c*(d+d)", "tree_length": 11, "depth": 3, "minimized_regex": "(a+d)?c*d", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "((a+c+d)c*)?d", "not_equivalent_regex": "(a+d+ad)(c*+cc)", "positive_example": "acccd", "negative_example": "adccd"}
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+{"idx": 165, "query": "b*b?+b*c*", "tree_length": 11, "depth": 3, "minimized_regex": "b*c*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "bb(bc)?+b*c*", "not_equivalent_regex": "(b*+cc)c*c?", "positive_example": "bbbbbbbc", "negative_example": "bccb"}
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+{"idx": 172, "query": "b*d?d*d*", "tree_length": 11, "depth": 3, "minimized_regex": "b*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "b*d*+d?(dd)?", "not_equivalent_regex": "bd*(b*+d+d)", "positive_example": "bbdddd", "negative_example": "bbbdbbdd"}
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+{"idx": 176, "query": "cd*(c*+c+d)", "tree_length": 11, "depth": 3, "minimized_regex": "cd*c*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "c(d+(ddd?)*)c*", "not_equivalent_regex": "(c?+cc)(cd+d*)", "positive_example": "cdddddcc", "negative_example": "dddd"}
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+{"idx": 180, "query": "a*a*+a*b*", "tree_length": 11, "depth": 3, "minimized_regex": "a*b*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "(ab+a*)b+a*b*", "not_equivalent_regex": "(a*+a*)(b?+bb)", "positive_example": "aaabbbbb", "negative_example": "aabbbab"}
+{"idx": 181, "query": "a*a?c*(d+d)", "tree_length": 12, "depth": 3, "minimized_regex": "a*c*d", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "(a*(a+cc*)+c*)d", "not_equivalent_regex": "a*c*+a+d+ad", "positive_example": "cccd", "negative_example": "aaccca"}
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+{"idx": 185, "query": "(c+c)d*(c+d)d*", "tree_length": 13, "depth": 3, "minimized_regex": "cd*(d+cd*)", "minimized_tree_length": 11, "minimized_depth": 4, "equivalent_regex": "cd*(c+dc?)d*", "not_equivalent_regex": "dc*(cc+d*)", "positive_example": "cddcdddd", "negative_example": "ddcdddd"}
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+{"idx": 237, "query": "a*d*(c?+d?)", "tree_length": 11, "depth": 3, "minimized_regex": "a*d*c?", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "a*d*(c+d(c+d))?", "not_equivalent_regex": "(a+d)*+(c+c)(d+d)", "positive_example": "aaaddd", "negative_example": "aaadaad"}
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+{"idx": 241, "query": "(a?+c*)(bc)*", "tree_length": 10, "depth": 3, "minimized_regex": "(a+c*)(bc)*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+c*(bc)*)(bc)*", "not_equivalent_regex": "a?+c+c+(a+b)*", "positive_example": "abcbcbc", "negative_example": "ccccccba"}
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+{"idx": 243, "query": "ac+dd+b*d*", "tree_length": 13, "depth": 3, "minimized_regex": "ac+b*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ac+b*(bd)?d*", "not_equivalent_regex": "(c+d+d)a*(b+c)", "positive_example": "bbdddddd", "negative_example": "dad"}
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+{"idx": 245, "query": "b*d*+(d+d)?", "tree_length": 10, "depth": 3, "minimized_regex": "b*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "(bb+(d+b*b)d*)?", "not_equivalent_regex": "b?*bdd*", "positive_example": "bdddd", "negative_example": "dbbbbbbb"}
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+{"idx": 258, "query": "(a*+a*)(cd+d?)", "tree_length": 12, "depth": 3, "minimized_regex": "a*(c?d)?", "minimized_tree_length": 8, "minimized_depth": 4, "equivalent_regex": "a*(c?d)?", "not_equivalent_regex": "(a*+a+a)(cd+d*)", "positive_example": "aaaaacd", "negative_example": "aada"}
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+{"idx": 262, "query": "(a*+a+c)b*(c+c)", "tree_length": 13, "depth": 3, "minimized_regex": "(c+a*)b*c", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "((c+a*)b*+(aa)*)c", "not_equivalent_regex": "(a+b)b*(b*+c*)", "positive_example": "aabbbbbc", "negative_example": "aba"}
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+{"idx": 274, "query": "(a+b+a+c)(c*+cc)", "tree_length": 14, "depth": 3, "minimized_regex": "(a+b+c)c*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "cc?+(a+b+c)c*", "not_equivalent_regex": "(a?+b+c)(c*+c*)", "positive_example": "bc", "negative_example": "bcccbc"}
+{"idx": 275, "query": "abb*(c*+c+c)", "tree_length": 13, "depth": 3, "minimized_regex": "abb*c*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ab(bb)*b?c*", "not_equivalent_regex": "(a+b)b*(b+b+b+c)", "positive_example": "abbcc", "negative_example": "acbccccc"}
+{"idx": 276, "query": "a?(a+a)(b+c)*", "tree_length": 11, "depth": 3, "minimized_regex": "aa?(b+c)*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "a(a+a?b)?(b+c)*", "not_equivalent_regex": "(ab)*(b*+b+c)", "positive_example": "aabbcbcb", "negative_example": "aacbabb"}
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+{"idx": 280, "query": "(d+b*)(a+b+b*)", "tree_length": 11, "depth": 3, "minimized_regex": "(d+b*)(a+b*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(d+b*)(a+b*)", "not_equivalent_regex": "(a+b)d*(b+d+b+d)", "positive_example": "ba", "negative_example": "dbabbbbb"}
+{"idx": 281, "query": "(a+d)*(bc+d*)", "tree_length": 11, "depth": 3, "minimized_regex": "(a+d)*(bc)?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "dd+(a+d)*(bc)?", "not_equivalent_regex": "(a?+b*)(cd)*", "positive_example": "ddddaaa", "negative_example": "daadac"}
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+{"idx": 283, "query": "(a*+b+d)d**", "tree_length": 10, "depth": 3, "minimized_regex": "(b+a*)d*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "(b+a*)(d+(ddd?)*)", "not_equivalent_regex": "a?(b+d)(d*+d?)", "positive_example": "bdddddd", "negative_example": "addadddd"}
+{"idx": 284, "query": "a*(a+a)(c+d+d*)", "tree_length": 13, "depth": 3, "minimized_regex": "aa*(c+d*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "aa*(c+(ad)?d*)", "not_equivalent_regex": "(a?+c+c)(ad+d*)", "positive_example": "aaaaad", "negative_example": "aaacaad"}
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+{"idx": 288, "query": "(ac+b+d)(c*+c+c)", "tree_length": 14, "depth": 3, "minimized_regex": "(b+d+ac)c*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "b+d+(a+b+d)cc*", "not_equivalent_regex": "(ac+b?)(d*+dd)", "positive_example": "bcccc", "negative_example": "acca"}
+{"idx": 289, "query": "a*c*(b+b+d?)", "tree_length": 12, "depth": 3, "minimized_regex": "a*c*(b+d)?", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "a*(d+c*(b+cd)?)", "not_equivalent_regex": "a?(b+d)c*c*", "positive_example": "aaaccc", "negative_example": "adaacd"}
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+{"idx": 292, "query": "(a+b)*b*(c+c)", "tree_length": 11, "depth": 3, "minimized_regex": "(a+b)*c", "minimized_tree_length": 6, "minimized_depth": 3, "equivalent_regex": "(a+b(a+b))*b?c", "not_equivalent_regex": "a*(a+c)+ab+b*", "positive_example": "bbabac", "negative_example": "babcbbbc"}
+{"idx": 293, "query": "b*(b+c)+b+b+d*", "tree_length": 13, "depth": 3, "minimized_regex": "b*c?+d*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "c+b*(b(b+c))?+d*", "not_equivalent_regex": "b**(c*+d*)", "positive_example": "dd", "negative_example": "ddbddddd"}
+{"idx": 294, "query": "(a+b)d*+c+d+d*", "tree_length": 13, "depth": 3, "minimized_regex": "c+(a+b)?d*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "c+dd+(a+b)?d*", "not_equivalent_regex": "(ac+c+c)b?d*", "positive_example": "", "negative_example": "aad"}
+{"idx": 295, "query": "(a+b+b)(b+c)d*", "tree_length": 12, "depth": 3, "minimized_regex": "(a+b)(b+c)d*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(ab+(a+b)(b+c))d*", "not_equivalent_regex": "(a*+a*)(ad+b+c)", "positive_example": "acd", "negative_example": "cbc"}
+{"idx": 296, "query": "(ab+b*)(b+d)*", "tree_length": 11, "depth": 3, "minimized_regex": "(ab)?(b+d)*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "((a+bb)b)?(b+d)*", "not_equivalent_regex": "(d+d*)a*bd", "positive_example": "bbddbddb", "negative_example": "ddbddbda"}
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+{"idx": 299, "query": "(ad+b+c)(d*+d*)", "tree_length": 13, "depth": 3, "minimized_regex": "(b+c+ad)d*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "cd+(b+c+ad)d*", "not_equivalent_regex": "(a?+c*)(b?+d?)", "positive_example": "bddddddd", "negative_example": "baddddd"}
+{"idx": 300, "query": "(a+c)*+a+c+a+d", "tree_length": 12, "depth": 3, "minimized_regex": "d+(a+c)*", "minimized_tree_length": 6, "minimized_depth": 3, "equivalent_regex": "d+(a?(c+aa))*a?", "not_equivalent_regex": "a*+a+d+a*(c+d)", "positive_example": "ccacaa", "negative_example": "cdccc"}
+{"idx": 301, "query": "b+bb+b*d*", "tree_length": 11, "depth": 3, "minimized_regex": "b*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "bdd+b*d*", "not_equivalent_regex": "(b*+d*)(d?+dd)", "positive_example": "bbdddddd", "negative_example": "bdbbbddd"}
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+{"idx": 303, "query": "a*b*+b?+cd", "tree_length": 12, "depth": 3, "minimized_regex": "cd+a*b*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(cd+a*(a+b*b))?", "not_equivalent_regex": "ac+d?+(b+c)*", "positive_example": "aabb", "negative_example": "bbbbbbbc"}
+{"idx": 304, "query": "(b*+bb)(bc)*", "tree_length": 11, "depth": 3, "minimized_regex": "b*(bc)*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "(b(bc)*+b*)(bc)*", "not_equivalent_regex": "b*c?c??", "positive_example": "bbbbbc", "negative_example": "bbcc"}
+{"idx": 305, "query": "(a+c)c*+adc*", "tree_length": 13, "depth": 3, "minimized_regex": "(c+ad?)c*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "a+(ad+a?c)c*", "not_equivalent_regex": "(ad+d+d)c?d*", "positive_example": "c", "negative_example": "cccac"}
+{"idx": 306, "query": "(c+cd)(b+d)*", "tree_length": 10, "depth": 3, "minimized_regex": "c(b+d)*", "minimized_tree_length": 6, "minimized_depth": 3, "equivalent_regex": "c(b*(b+d(b+d)*))?", "not_equivalent_regex": "bc*(b+d+c?)", "positive_example": "cdbbdbdb", "negative_example": "dbdbdbd"}
+{"idx": 307, "query": "(a+a+b*)(b*+b+c)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+b*)(c+b*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+b)(c+b*)+b*c?", "not_equivalent_regex": "(ab+b*)c*c*", "positive_example": "bbbbb", "negative_example": "bbbac"}
+{"idx": 308, "query": "(a+c)d*+cd+d*", "tree_length": 13, "depth": 3, "minimized_regex": "(a+c)?d*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "(dd+(a+c+d)d*)?", "not_equivalent_regex": "a*d*+ad+cc", "positive_example": "cddddddd", "negative_example": "adcdddd"}
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+{"idx": 552, "query": "adc*(b*+c*)", "tree_length": 12, "depth": 3, "minimized_regex": "adc*b*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ad(c*(b+c))?b*", "not_equivalent_regex": "(a+b)c*(c+d+d*)", "positive_example": "adb", "negative_example": "adcbbcb"}
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+{"idx": 1423, "query": "ac*(a+b+c*)", "tree_length": 11, "depth": 3, "minimized_regex": "ac*(a+b)?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ac?(c*(a+b+c))?", "not_equivalent_regex": "(a+b)c*(a+c+c*)", "positive_example": "acccc", "negative_example": "baa"}
+{"idx": 1424, "query": "adc*(d+d)*", "tree_length": 11, "depth": 3, "minimized_regex": "adc*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "adc*d*", "not_equivalent_regex": "c+ac+(c+d)*", "positive_example": "adcccd", "negative_example": "cdcddddd"}
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+{"idx": 1433, "query": "a*+c*+c*cd", "tree_length": 12, "depth": 3, "minimized_regex": "cc*d?+a*", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "c*(cd)?+a*", "not_equivalent_regex": "a*c*(a+a+ad)", "positive_example": "aa", "negative_example": "cda"}
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+{"idx": 1438, "query": "(a+a)(c+c)b*d*", "tree_length": 13, "depth": 3, "minimized_regex": "acb*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ac(bb?+b*d*)", "not_equivalent_regex": "(a*+a+a)(b+c+d*)", "positive_example": "acdddd", "negative_example": "acbddadd"}
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+{"idx": 1441, "query": "(a+b+b+b)(b+c)d*", "tree_length": 14, "depth": 3, "minimized_regex": "(a+b)(b+c)d*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "bb+(a+b)(b+c)d*", "not_equivalent_regex": "(a*+a+d)b?c*", "positive_example": "abdddd", "negative_example": "acdda"}
+{"idx": 1442, "query": "(bb)?+c*d*", "tree_length": 10, "depth": 3, "minimized_regex": "bb+c*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "bb+c*(dd)*d?", "not_equivalent_regex": "b?c*(d*+d+d)", "positive_example": "cddddd", "negative_example": "cddbdddd"}
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+{"idx": 1444, "query": "(b+d)d*(bd+d?)", "tree_length": 13, "depth": 3, "minimized_regex": "(b+d)d*(bd)?", "minimized_tree_length": 11, "minimized_depth": 3, "equivalent_regex": "(b+b?dd*)(bd)?", "not_equivalent_regex": "b*d*(bb+d*)", "positive_example": "d", "negative_example": "bbdddd"}
+{"idx": 1445, "query": "(a+a*)(a+b+a+c)", "tree_length": 12, "depth": 3, "minimized_regex": "a*(a+b+c)", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "ab?+a*(a+b+c)", "not_equivalent_regex": "(a*+a*)(b?+c*)", "positive_example": "aaab", "negative_example": "aaaaacab"}
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+{"idx": 1488, "query": "b+c*+(a+b)b*", "tree_length": 11, "depth": 3, "minimized_regex": "a?b*+c*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "ab+(a+b)b*+c*", "not_equivalent_regex": "(c+a?)a*(b+c)", "positive_example": "bbbbbbb", "negative_example": "cacccccc"}
+{"idx": 1489, "query": "(a+b+b+c)d*d*", "tree_length": 13, "depth": 3, "minimized_regex": "(a+b+c)d*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "b+(a+c+(a+b)d)d*", "not_equivalent_regex": "(b+a?)b*(c+d)", "positive_example": "b", "negative_example": "dcddddd"}
+{"idx": 1490, "query": "(a+a+b*)(c?+d+d)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+b*)(c+d)?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ac+(a+b*)(c+d)?", "not_equivalent_regex": "(a+c+c+c)b*(c+d)", "positive_example": "bc", "negative_example": "bbbbbdd"}
+{"idx": 1491, "query": "a*b*+b*d?", "tree_length": 11, "depth": 3, "minimized_regex": "a*b*+b*d", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "aa+a*b*+b*d", "not_equivalent_regex": "(b+d?)(a+a)b*", "positive_example": "aaaa", "negative_example": "abdb"}
+{"idx": 1492, "query": "(a*+a*)(b+b)d*", "tree_length": 12, "depth": 3, "minimized_regex": "a*bd*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "abd?+a*bd*", "not_equivalent_regex": "(d+a+d)(a*+b*)", "positive_example": "aaab", "negative_example": "aaabdbd"}
+{"idx": 1493, "query": "a*(a+b)+acc*", "tree_length": 13, "depth": 3, "minimized_regex": "ac*+a*(a+b)", "minimized_tree_length": 11, "minimized_depth": 3, "equivalent_regex": "b+a(a*b?+c*)", "not_equivalent_regex": "a+c+b*+b?c*", "positive_example": "aaa", "negative_example": "acaa"}
+{"idx": 1494, "query": "(a+d)d*(cd+d?)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+d)d*(cd)?", "minimized_tree_length": 11, "minimized_depth": 3, "equivalent_regex": "(a+d)((d*(c+d))?d)?", "not_equivalent_regex": "(c+c?)(a+d)*", "positive_example": "ad", "negative_example": "ddddaddd"}
+{"idx": 1495, "query": "a?(b+d)(c*+c?)", "tree_length": 12, "depth": 3, "minimized_regex": "a?(b+d)c*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "a?(dc+(b+d)c*)", "not_equivalent_regex": "(c+d*)(a*+b?)", "positive_example": "d", "negative_example": "aac"}
+{"idx": 1496, "query": "c?*(d*+d*)", "tree_length": 9, "depth": 3, "minimized_regex": "c*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "c*d*+(cc?)?d?", "not_equivalent_regex": "c?d*(c?+d?)", "positive_example": "cccccccd", "negative_example": "cccccddc"}
+{"idx": 1497, "query": "(b?+cd)c?*", "tree_length": 10, "depth": 3, "minimized_regex": "(b+cd)?c*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "cd?+(b+cd)?c*", "not_equivalent_regex": "b*(b+d+c+d)", "positive_example": "cdc", "negative_example": "cdcccdcc"}
+{"idx": 1498, "query": "(a+a)*(b+c+bd)", "tree_length": 12, "depth": 3, "minimized_regex": "a*(c+bd?)", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "a*(c+bd?)+a?c", "not_equivalent_regex": "a?d?(b*+c?)", "positive_example": "aabd", "negative_example": "aaaabc"}
+{"idx": 1499, "query": "bc+cc+c*d*", "tree_length": 13, "depth": 3, "minimized_regex": "bc+c*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "bc+(c?d+c*)d*", "not_equivalent_regex": "b?c*+c*d*", "positive_example": "cccccddd", "negative_example": "bcccccc"}
+{"idx": 1500, "query": "(b+c)d?(b+d+d*)", "tree_length": 13, "depth": 3, "minimized_regex": "(b+c)(d?b+d*)", "minimized_tree_length": 11, "minimized_depth": 4, "equivalent_regex": "(b+c)(d?(b+d)+d*)", "not_equivalent_regex": "b*(b+c)+b+b+d*", "positive_example": "bb", "negative_example": "dbdddd"}
+{"idx": 1501, "query": "(a+a+a+c)c*(c+d)", "tree_length": 14, "depth": 3, "minimized_regex": "(a+c)c*(c+d)", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(c+(a+cc)c*)(c+d)", "not_equivalent_regex": "(a*+ad)(c?+c+d)", "positive_example": "acccd", "negative_example": "ccccad"}
+{"idx": 1502, "query": "(a+c+b+b)d*d?", "tree_length": 13, "depth": 3, "minimized_regex": "(a+b+c)d*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "ad?+(a+b+c)d*", "not_equivalent_regex": "a*a*(bc+d*)", "positive_example": "add", "negative_example": "bdda"}
+{"idx": 1503, "query": "(a?+d?)(b?+d*)", "tree_length": 11, "depth": 3, "minimized_regex": "(a+d)?(b+d*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "d(b+d)+a?(b+d*)", "not_equivalent_regex": "a?d*+b*+dd", "positive_example": "ad", "negative_example": "ddddda"}
+{"idx": 1504, "query": "(b*+b+b)c?(c+d)", "tree_length": 13, "depth": 3, "minimized_regex": "b*c?(c+d)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(b*(c+bc?))?(c+d)", "not_equivalent_regex": "b*d*+(c+d)d?", "positive_example": "bbbbbbcd", "negative_example": "bbcbbbbd"}
+{"idx": 1505, "query": "(a+d?)(b*+b+c)", "tree_length": 11, "depth": 3, "minimized_regex": "(a+d)?(c+b*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "bb?+(a+d)?(c+b*)", "not_equivalent_regex": "(a+a+b*)(c?+d+d)", "positive_example": "bbbbbbbb", "negative_example": "abdbbbbb"}
+{"idx": 1506, "query": "(c+a+c)c?d*", "tree_length": 11, "depth": 3, "minimized_regex": "(a+c)c?d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+c)c?d*", "not_equivalent_regex": "(a*+cc)(d*+d*)", "positive_example": "ccdddddd", "negative_example": "adddc"}
+{"idx": 1507, "query": "(b*+c+c)c*(d+d)", "tree_length": 13, "depth": 3, "minimized_regex": "b*c*d", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "(b*c*+(bb)?c)d", "not_equivalent_regex": "(b+d+d?)(c?+d*)", "positive_example": "ccccd", "negative_example": "bbcccdc"}
+{"idx": 1508, "query": "da?+a*d*", "tree_length": 10, "depth": 3, "minimized_regex": "da+a*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "da+a*(ad+d*)", "not_equivalent_regex": "(a+a+aa)(a+d)*", "positive_example": "aaaaaaa", "negative_example": "aaddda"}
+{"idx": 1509, "query": "b*d*(bc+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "b*d*(bc)?", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "bb+b*d*(bc)?", "not_equivalent_regex": "b*+bb+c?d*", "positive_example": "bbbddd", "negative_example": "bbdddddc"}
+{"idx": 1510, "query": "(a+a+d+d)(b+c)*", "tree_length": 12, "depth": 3, "minimized_regex": "(a+d)(b+c)*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "dcb+(a+d)(b+c)*", "not_equivalent_regex": "(a+d)*(b?+b+c)", "positive_example": "dbbbbccc", "negative_example": "dcabcbcb"}
+{"idx": 1511, "query": "cc?+b*c*", "tree_length": 10, "depth": 3, "minimized_regex": "b*c*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "b*(b(bc)?)?c*", "not_equivalent_regex": "(b*+b?)bbc*", "positive_example": "bbbbbbcc", "negative_example": "bbcb"}
+{"idx": 1512, "query": "(a?+d*)(cd+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "(a+d*)(cd+d*)", "minimized_tree_length": 11, "minimized_depth": 3, "equivalent_regex": "(a+(a+d*)(c+d*)d)?", "not_equivalent_regex": "a*a?c?d?", "positive_example": "dd", "negative_example": "dddddadd"}
+{"idx": 1513, "query": "ad*(a?+a+b)", "tree_length": 11, "depth": 3, "minimized_regex": "ad*(a+b)?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "a(d*(a+b+db?))?", "not_equivalent_regex": "a*b*+a+a+ad", "positive_example": "adddddda", "negative_example": "adaa"}
+{"idx": 1514, "query": "(b+c)d?(c?+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "(b+c)(d?c+d*)", "minimized_tree_length": 11, "minimized_depth": 4, "equivalent_regex": "(b+c)(d?(c+d)+d*)", "not_equivalent_regex": "(b*+c*)(c?+d*)", "positive_example": "cdddddd", "negative_example": "bbc"}
+{"idx": 1515, "query": "b*c?(c?+d*)", "tree_length": 11, "depth": 3, "minimized_regex": "b*c?(c+d*)", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "b*(c(c+d)+c?d*)", "not_equivalent_regex": "(b+c+b+d)c*?", "positive_example": "bbbcdd", "negative_example": "bcbbbbbb"}
+{"idx": 1516, "query": "a*a*(a+a+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "a*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "a(aa+d*)+a*d*", "not_equivalent_regex": "(a+d+d)a*(a+d)", "positive_example": "aadd", "negative_example": "daaaa"}
+{"idx": 1517, "query": "(ab+ad)(b+d)*", "tree_length": 12, "depth": 3, "minimized_regex": "a(b+d)(b+d)*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "ad*(d+b(b+d)*)", "not_equivalent_regex": "(a?+b*)(b+b)d*", "positive_example": "addddbdb", "negative_example": "abddbabb"}
+{"idx": 1518, "query": "(a+a)*(c+d)d*", "tree_length": 11, "depth": 3, "minimized_regex": "a*(c+d)d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(ac+a*(c+d))d*", "not_equivalent_regex": "(a+d+d*)(c*+c+d)", "positive_example": "cdd", "negative_example": "aaaddcd"}
+{"idx": 1519, "query": "(a*+aa)aad*", "tree_length": 13, "depth": 3, "minimized_regex": "aaa*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "aaa*(ad)?d*", "not_equivalent_regex": "(a+a)d*(ad)*", "positive_example": "aaddddd", "negative_example": "aaaadaad"}
+{"idx": 1520, "query": "a+b+bb+b*d*", "tree_length": 13, "depth": 3, "minimized_regex": "a+b*d*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "a+(b+(bb)*)b?d*", "not_equivalent_regex": "(a*+a+b)a?(b+d)", "positive_example": "bbbddddd", "negative_example": "bbdddadd"}
+{"idx": 1521, "query": "(a*+aa)(bd+c+d)", "tree_length": 14, "depth": 3, "minimized_regex": "a*(c+b?d)", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "a*(c+d)+(a*b)?d", "not_equivalent_regex": "(a+a*)(b+d+c+d)", "positive_example": "aad", "negative_example": "aaacaad"}
+{"idx": 1522, "query": "(b*+bb)d?d?", "tree_length": 12, "depth": 3, "minimized_regex": "b*(dd?)?", "minimized_tree_length": 8, "minimized_depth": 4, "equivalent_regex": "bb+(b*(b+d))?d?", "not_equivalent_regex": "(d+b*)d**", "positive_example": "bbdd", "negative_example": "bbdbbbbb"}
+{"idx": 1523, "query": "(a+b*)a*(b+d)", "tree_length": 11, "depth": 3, "minimized_regex": "b*a*(b+d)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ad+b*a*(b+d)", "not_equivalent_regex": "ab+b*+(b+d)*", "positive_example": "aaaaaaad", "negative_example": "aabb"}
+{"idx": 1524, "query": "(d+b+d)a?d*", "tree_length": 11, "depth": 3, "minimized_regex": "(b+d)a?d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "da+(b+d)a?d*", "not_equivalent_regex": "a*b*(b?+dd)", "positive_example": "badddddd", "negative_example": "daddbddd"}
+{"idx": 1525, "query": "bcc*(c*+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "bcc*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "bc(c*d*+(cc)*)", "not_equivalent_regex": "b*d?(b+c+c+c)", "positive_example": "bcccc", "negative_example": "bdd"}
+{"idx": 1526, "query": "b*cd+b*d?", "tree_length": 12, "depth": 3, "minimized_regex": "b*(c?d)?", "minimized_tree_length": 8, "minimized_depth": 4, "equivalent_regex": "(c+b*)d+b*(cd)?", "not_equivalent_regex": "(b+c)d?+(c+d)*", "positive_example": "bbbbbbd", "negative_example": "bcb"}
+{"idx": 1527, "query": "b*d*+(b+b)(b+c)", "tree_length": 13, "depth": 3, "minimized_regex": "bc+b*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "bc+dd?+b*d*", "not_equivalent_regex": "(b+c)c*(c+d)?", "positive_example": "bbdd", "negative_example": "bbbcddd"}
+{"idx": 1528, "query": "(a*+a*)(b+c+bd)", "tree_length": 13, "depth": 3, "minimized_regex": "a*(c+bd?)", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "(aa)*a?(c+bd?)", "not_equivalent_regex": "a+b+c*+c*d*", "positive_example": "b", "negative_example": "adaaab"}
+{"idx": 1529, "query": "(b+b)d*c*(d+d)", "tree_length": 13, "depth": 3, "minimized_regex": "bd*c*d", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "b(dc+d*)c*d", "not_equivalent_regex": "(b*+d*)(c*+d?)", "positive_example": "bddddcd", "negative_example": "bdddddb"}
+{"idx": 1530, "query": "b*b?c*cd", "tree_length": 12, "depth": 3, "minimized_regex": "b*c*cd", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "b*(cc)*c?cd", "not_equivalent_regex": "(b+c)c*(cd+d?)", "positive_example": "bbbbccd", "negative_example": "bbbccdc"}
+{"idx": 1531, "query": "(a+c)b*+c*(c+c)", "tree_length": 13, "depth": 3, "minimized_regex": "cc*+(a+c)b*", "minimized_tree_length": 11, "minimized_depth": 3, "equivalent_regex": "c(b*+c*)+(a+c)b*", "not_equivalent_regex": "a*b*+a*+c+c", "positive_example": "abbb", "negative_example": "cbbbbcbb"}
+{"idx": 1532, "query": "a*(b+b)(c+c)*", "tree_length": 11, "depth": 3, "minimized_regex": "a*bc*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "a*b(c+(ccc?)*)", "not_equivalent_regex": "a?c*(ab+c*)", "positive_example": "aaaabc", "negative_example": "aaaaac"}
+{"idx": 1533, "query": "bc*(b?+d?)", "tree_length": 10, "depth": 3, "minimized_regex": "bc*(b+d)?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "b(cc+c*(b+d)?)", "not_equivalent_regex": "(b*+bb)(b?+c+d)", "positive_example": "bcccccc", "negative_example": "bcccdb"}
+{"idx": 1534, "query": "(a+c)d*(b?+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "(a+c)d*b?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+c)(b+d*(db?)?)", "not_equivalent_regex": "a*+b*+a*(c+d)", "positive_example": "addb", "negative_example": "cbdddb"}
+{"idx": 1535, "query": "(a+c+d*)(b+d)*", "tree_length": 11, "depth": 3, "minimized_regex": "(a+c)?(b+d)*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+c+a?d)?(b+d)*", "not_equivalent_regex": "(a*+a+a)(b+b+c+d)", "positive_example": "dbbbbbbb", "negative_example": "cdbbdabd"}
+{"idx": 1536, "query": "(a+b+b?)(b*+d+d)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+b)?(d+b*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "bb?+(a+b)?(d+b*)", "not_equivalent_regex": "(a+b+a+d)(d+d)*", "positive_example": "abbbbb", "negative_example": "babbbb"}
+{"idx": 1537, "query": "(a+d)c*(b+d+b+d)", "tree_length": 14, "depth": 3, "minimized_regex": "(a+d)c*(b+d)", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(d+(a+dc)c*)(b+d)", "not_equivalent_regex": "a?*(bd+c+d)", "positive_example": "accd", "negative_example": "daccccb"}
+{"idx": 1538, "query": "(b+c?)c*(c+d)", "tree_length": 11, "depth": 3, "minimized_regex": "b?c*(c+d)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(b+c*)(d+cc*d?)", "not_equivalent_regex": "b*cd(d*+d+d)", "positive_example": "bccc", "negative_example": "ccccccdb"}
+{"idx": 1539, "query": "a*(a+c)+ab+b*", "tree_length": 13, "depth": 3, "minimized_regex": "ab+a*c?+b*", "minimized_tree_length": 12, "minimized_depth": 4, "equivalent_regex": "ab+a*(a+c)+b*", "not_equivalent_regex": "(a*+b+c)c*c?", "positive_example": "bbbbbb", "negative_example": "aaabaaa"}
+{"idx": 1540, "query": "b*c?(b*+d+d)", "tree_length": 12, "depth": 3, "minimized_regex": "b*c?(d+b*)", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "b*(bd+c?(d+b*))", "not_equivalent_regex": "(b+c)d*c*c*", "positive_example": "bbbbbbd", "negative_example": "bbbdcbb"}
+{"idx": 1541, "query": "(a+c+bc)(d+d)*", "tree_length": 12, "depth": 3, "minimized_regex": "(a+b?c)d*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "(a+b?c)d*", "not_equivalent_regex": "(ab+b+d)(c*+c?)", "positive_example": "cddddd", "negative_example": "adddcdd"}
+{"idx": 1542, "query": "(a+d)*(b+b+c*)", "tree_length": 11, "depth": 3, "minimized_regex": "(a+d)*(b+c*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ab+(a+d)*(b+c*)", "not_equivalent_regex": "a+d+b+d+c*d*", "positive_example": "dadadddc", "negative_example": "adacadb"}
+{"idx": 1543, "query": "dd*c*(d+d)", "tree_length": 11, "depth": 3, "minimized_regex": "dd*c*d", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "d(dc+d*)c*d", "not_equivalent_regex": "(c+c+d*)(c+c+d*)", "positive_example": "dddddd", "negative_example": "ddcdc"}
+{"idx": 1544, "query": "(a+b)c*(a+c+c*)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+b)c*a?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+b)c*(a+ca?)?", "not_equivalent_regex": "a?c*(b+c+c+c)", "positive_example": "a", "negative_example": "cbccca"}
+{"idx": 1545, "query": "(ac)*(b?+c*)", "tree_length": 10, "depth": 3, "minimized_regex": "(ac)*(b+c*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a(ca)?c)*(b+c*)", "not_equivalent_regex": "a?c*(b?+bc)", "positive_example": "b", "negative_example": "acacccac"}
+{"idx": 1546, "query": "bb+bc+(b+d)*", "tree_length": 12, "depth": 3, "minimized_regex": "bc+(b+d)*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "b(c+b?d?)+(b+d)*", "not_equivalent_regex": "b?c*(b?+d+d)", "positive_example": "ddbbbdbb", "negative_example": "dbddcdbd"}
+{"idx": 1547, "query": "(a+c)(b+d)d*d*", "tree_length": 13, "depth": 3, "minimized_regex": "(a+c)(b+d)d*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(cd+(a+c)(b+d))d*", "not_equivalent_regex": "(a?+b+d)b*c*", "positive_example": "cddd", "negative_example": "cbddad"}
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+{"idx": 1611, "query": "(c+c*)(a+d)(c+d)", "tree_length": 12, "depth": 3, "minimized_regex": "c*(a+d)(c+d)", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(cd+c*(a+d))(c+d)", "not_equivalent_regex": "a*ad+(c+d)*", "positive_example": "ac", "negative_example": "ccc"}
+{"idx": 1612, "query": "a*(a+b)+a*(c+d)", "tree_length": 13, "depth": 3, "minimized_regex": "a*(a+b+c+d)", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "ab+a*(a+b+c+d)", "not_equivalent_regex": "abd*c*?", "positive_example": "aaa", "negative_example": "abb"}
+{"idx": 1613, "query": "a*b*+aad?", "tree_length": 12, "depth": 3, "minimized_regex": "aad+a*b*", "minimized_tree_length": 11, "minimized_depth": 3, "equivalent_regex": "a(ad?)?+a*b*", "not_equivalent_regex": "ab+dd+(a+d)*", "positive_example": "abbbbbbb", "negative_example": "bbabbb"}
+{"idx": 1614, "query": "(d+a+a)(a+c)d*", "tree_length": 12, "depth": 3, "minimized_regex": "(a+d)(a+c)d*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(a+d)(a+c)d*", "not_equivalent_regex": "(a+c)*+cc+d+d", "positive_example": "dcdddddd", "negative_example": "cd"}
+{"idx": 1615, "query": "(d+a+d)b*d?", "tree_length": 11, "depth": 3, "minimized_regex": "(a+d)b*d?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+db?)(b*(b+d))?", "not_equivalent_regex": "(d+bd)(a+b)*", "positive_example": "dd", "negative_example": "dbabb"}
+{"idx": 1616, "query": "d*(ac+b+c)", "tree_length": 10, "depth": 3, "minimized_regex": "d*(b+a?c)", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "c+d*(b+(a+d)c)", "not_equivalent_regex": "(d+c+d)a?b*", "positive_example": "dddddb", "negative_example": "dddddbdb"}
+{"idx": 1617, "query": "(a*+d+d)(bc)*", "tree_length": 11, "depth": 3, "minimized_regex": "(d+a*)(bc)*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(d+(aa)*a?)(bc)*", "not_equivalent_regex": "(a+a)b?c*d*", "positive_example": "aaaabc", "negative_example": "aaccbc"}
+{"idx": 1618, "query": "(a+c)*(d+d+d+d)", "tree_length": 12, "depth": 3, "minimized_regex": "(a+c)*d", "minimized_tree_length": 6, "minimized_depth": 3, "equivalent_regex": "(c*(c+a(a+c)*))?d", "not_equivalent_regex": "a+a*+a*(c+d)", "positive_example": "ccaacaad", "negative_example": "accccaca"}
+{"idx": 1619, "query": "(a?+b+d)b*(c+c)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+d)?b*c", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "(bb+(a+d)?b*)c", "not_equivalent_regex": "(a+d)b*(b+c+c+c)", "positive_example": "bbbbbc", "negative_example": "cabbbbbc"}
+{"idx": 1620, "query": "(a*+a*)(b+b+c+d)", "tree_length": 13, "depth": 3, "minimized_regex": "a*(b+c+d)", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "a(c+d)+a*(b+c+d)", "not_equivalent_regex": "a?c?(b*+d+d)", "positive_example": "b", "negative_example": "aadaaaad"}
+{"idx": 1621, "query": "(b?+c?)(c*+d?)", "tree_length": 11, "depth": 3, "minimized_regex": "(b+c)?(d+c*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "d+(b+c)(d+c*)+c*", "not_equivalent_regex": "b*+c+d+c*d*", "positive_example": "bcc", "negative_example": "dd"}
+{"idx": 1622, "query": "a*(a+a)(c+d)?", "tree_length": 11, "depth": 3, "minimized_regex": "aa*(c+d)?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "a(a*(c+d)?+(aa)*)", "not_equivalent_regex": "(a+d)d*(cd+d?)", "positive_example": "aaaaaaad", "negative_example": "caaaaad"}
+{"idx": 1623, "query": "(a+c+ad)(c*+cc)", "tree_length": 14, "depth": 3, "minimized_regex": "(c+ad?)c*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "a+(c+a(c+d))c*", "not_equivalent_regex": "adc*(d+d)*", "positive_example": "acccccc", "negative_example": "adacc"}
+{"idx": 1624, "query": "(b+c+c?)(d*+d?)", "tree_length": 12, "depth": 3, "minimized_regex": "(b+c)?d*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "cdd?+(b+c)?d*", "not_equivalent_regex": "b*c?(c?+d*)", "positive_example": "bdd", "negative_example": "db"}
+{"idx": 1625, "query": "a*+b?+b*d*", "tree_length": 11, "depth": 3, "minimized_regex": "b*d*+a*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "b*d*+b?d?+a*", "not_equivalent_regex": "(a+b)d?(b*+b?)", "positive_example": "bdddd", "negative_example": "bbddddbd"}
+{"idx": 1626, "query": "(d+a*)(b?+d+d)", "tree_length": 11, "depth": 3, "minimized_regex": "(d+a*)(b+d)?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "db?+(d+a*)(b+d)?", "not_equivalent_regex": "(a?+b?)d?*", "positive_example": "aaaaaaad", "negative_example": "aabaaaab"}
+{"idx": 1627, "query": "abb*c?*", "tree_length": 10, "depth": 3, "minimized_regex": "abb*c*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ab(b?c+b*)c*", "not_equivalent_regex": "(aa)*(b*+c+c)", "positive_example": "abbbbbb", "negative_example": "aacccccc"}
+{"idx": 1628, "query": "b*?c?d*", "tree_length": 9, "depth": 3, "minimized_regex": "b*c?d*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "(bb?+b*c?)d*", "not_equivalent_regex": "b?cd+c*d*", "positive_example": "bbcd", "negative_example": "bbbbcddc"}
+{"idx": 1629, "query": "(a?+d?)(b+c+c*)", "tree_length": 12, "depth": 3, "minimized_regex": "(a+d)?(b+c*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "a?b+(a+d)?(b+c*)", "not_equivalent_regex": "(a*+a*)(bc+c+d)", "positive_example": "db", "negative_example": "cacccccc"}
+{"idx": 1630, "query": "b*(b+d)+c?+d*", "tree_length": 12, "depth": 3, "minimized_regex": "c+b*d?+d*", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "c+dd+(b*+d*)d?", "not_equivalent_regex": "(b+d)*(cc+d*)", "positive_example": "bbbbbbb", "negative_example": "bbcbbbbd"}
+{"idx": 1631, "query": "a??(c+d)*", "tree_length": 8, "depth": 3, "minimized_regex": "a?(c+d)*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "ccd?+a?(c+d)*", "not_equivalent_regex": "(a+c)*+a+c+a+d", "positive_example": "ddcccdcd", "negative_example": "dcdcccda"}
+{"idx": 1632, "query": "a?c*(b+c+c+c)", "tree_length": 13, "depth": 3, "minimized_regex": "a?c*(b+c)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "((a+c)c*)?c?(b+c)", "not_equivalent_regex": "a*bc(c+c)*", "positive_example": "cc", "negative_example": "cccccac"}
+{"idx": 1633, "query": "b*d*(b?+bb)", "tree_length": 12, "depth": 3, "minimized_regex": "b*d*b?b?", "minimized_tree_length": 11, "minimized_depth": 4, "equivalent_regex": "b*(d*(b+d))?b?", "not_equivalent_regex": "(bb)*d*?", "positive_example": "bbd", "negative_example": "dbbdddbb"}
+{"idx": 1634, "query": "(a?+b+d)b*c*", "tree_length": 12, "depth": 3, "minimized_regex": "(a+d)?b*c*", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "bb+(a+d)?b*c*", "not_equivalent_regex": "(a+c+ad)(b+b)*", "positive_example": "bbbbbcc", "negative_example": "bbbbd"}
+{"idx": 1635, "query": "(b+b+d)a*(b+c)", "tree_length": 12, "depth": 3, "minimized_regex": "(b+d)a*(b+c)", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "bc+(b+d)a*(b+c)", "not_equivalent_regex": "(a+a)*(bc+d*)", "positive_example": "db", "negative_example": "aaaaab"}
+{"idx": 1636, "query": "(b*+b?)(b*+d*)", "tree_length": 11, "depth": 3, "minimized_regex": "b*d*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "b*(bd+d*)+(bb)*", "not_equivalent_regex": "b*(d+d)(d*+d+d)", "positive_example": "bbbb", "negative_example": "bdbbbb"}
+{"idx": 1637, "query": "(d+a+a)(b+c)c*", "tree_length": 12, "depth": 3, "minimized_regex": "(a+d)(b+c)c*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "ac+(a+d)(b+c)c*", "not_equivalent_regex": "(a+b)d*(c+d)?", "positive_example": "accccc", "negative_example": "babc"}
+{"idx": 1638, "query": "(a+b)(b+d)(d*+dd)", "tree_length": 14, "depth": 3, "minimized_regex": "(a+b)(b+d)d*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(a+b)(b+b?dd*)", "not_equivalent_regex": "(a*+a+a)(a+b)(a+d)", "positive_example": "addddddd", "negative_example": "adddda"}
+{"idx": 1639, "query": "(a*+b?)a?(a+b)", "tree_length": 12, "depth": 3, "minimized_regex": "(ba?+a*)(a+b)", "minimized_tree_length": 11, "minimized_depth": 4, "equivalent_regex": "(aa*+ba?)(a+b)?", "not_equivalent_regex": "a**(b*+b*)", "positive_example": "aaaaaaaa", "negative_example": "aaaaabab"}
+{"idx": 1640, "query": "(a?+dd)c**", "tree_length": 10, "depth": 3, "minimized_regex": "(a+dd)?c*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "a?c+(a+dd)?c*", "not_equivalent_regex": "(a+a+a+c)c*(c+d)", "positive_example": "ddcccccc", "negative_example": "aaccc"}
+{"idx": 1641, "query": "(a?+c+d)(d*+d?)", "tree_length": 12, "depth": 3, "minimized_regex": "(a+c)?d*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "a+(c+ad)?d*", "not_equivalent_regex": "(a*+a+a)c?d?", "positive_example": "ddd", "negative_example": "dddddad"}
+{"idx": 1642, "query": "(a+c+a+c)(c+d)*", "tree_length": 12, "depth": 3, "minimized_regex": "(a+c)(c+d)*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "(a+(cd)*c)(c+d)*", "not_equivalent_regex": "a*(c+d)+ac+d*", "positive_example": "cccddddc", "negative_example": "adcadccc"}
+{"idx": 1643, "query": "a?b*+d*d?", "tree_length": 11, "depth": 3, "minimized_regex": "a?b*+d*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "(a+(ab)?b)b*+d*", "not_equivalent_regex": "(a?+d*)b*(d+d)", "positive_example": "d", "negative_example": "adddddd"}
+{"idx": 1644, "query": "(a*+dd)c*c*", "tree_length": 12, "depth": 3, "minimized_regex": "(dd+a*)c*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ac?+(dd+a*)c*", "not_equivalent_regex": "a*d*+adc?", "positive_example": "acc", "negative_example": "aacaa"}
+{"idx": 1645, "query": "(b+d)*(cc+d*)", "tree_length": 11, "depth": 3, "minimized_regex": "(b+d)*(cc)?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "db?+(b+d)*(cc)?", "not_equivalent_regex": "(b+c)cd+c*d*", "positive_example": "dbbdbd", "negative_example": "dddddcb"}
+{"idx": 1646, "query": "bb*(b+d+d*)", "tree_length": 11, "depth": 3, "minimized_regex": "bb*d*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "b(bb+b*d*)d?", "not_equivalent_regex": "(b+b*)db*", "positive_example": "bdddddd", "negative_example": "dd"}
+{"idx": 1647, "query": "(a*+c*)c*cc", "tree_length": 12, "depth": 3, "minimized_regex": "a*c*cc", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "(a*c*+(aa)*)cc", "not_equivalent_regex": "a*c*+a??", "positive_example": "aaaccc", "negative_example": "aaacaccc"}
+{"idx": 1648, "query": "(a+d)b*b*d?", "tree_length": 12, "depth": 3, "minimized_regex": "(a+d)b*d?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(d+(a+db)b*)d?", "not_equivalent_regex": "aad*(b*+d+d)", "positive_example": "abbbbbbd", "negative_example": "abbdbbbd"}
+{"idx": 1649, "query": "(ac+b?)(d*+dd)", "tree_length": 13, "depth": 3, "minimized_regex": "(b+ac)?d*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "bd+(b+ac)?d*", "not_equivalent_regex": "a*?b*cd", "positive_example": "ac", "negative_example": "ccd"}
+{"idx": 1650, "query": "a+b+cc+c*d*", "tree_length": 13, "depth": 3, "minimized_regex": "a+b+c*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+b+c*(c+d*d))?", "not_equivalent_regex": "(a*+a?)(b+c)d*", "positive_example": "ccccddd", "negative_example": "ccacd"}
+{"idx": 1651, "query": "(a+b)*(cd+d?)", "tree_length": 11, "depth": 3, "minimized_regex": "(a+b)*(c?d)?", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "((a+b)*(a+b+c?d))?", "not_equivalent_regex": "(c+c*)(a+c)(b+d)", "positive_example": "babbaabb", "negative_example": "bbbcaaab"}
+{"idx": 1652, "query": "(a+c+c*)(b+d+d?)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+c*)(b+d)?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+c*)(b+d)?+(cc)*", "not_equivalent_regex": "(a*+b+b)(c?+d?)", "positive_example": "cccccc", "negative_example": "dcc"}
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+{"idx": 1654, "query": "a+c+d?+b*d*", "tree_length": 12, "depth": 3, "minimized_regex": "a+c+b*d*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "a+c+b*(bd+d*)", "not_equivalent_regex": "(d+c+d)a*(b+c)", "positive_example": "d", "negative_example": "cbbd"}
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+{"idx": 1656, "query": "(a+a)b?c?d*", "tree_length": 12, "depth": 3, "minimized_regex": "ab?c?d*", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "a((c+d+bc?)d*)?", "not_equivalent_regex": "(a+d)c*(b+d+b+d)", "positive_example": "abdddd", "negative_example": "abcad"}
+{"idx": 1657, "query": "(a+c)*+b+c+cc", "tree_length": 12, "depth": 3, "minimized_regex": "b+(a+c)*", "minimized_tree_length": 6, "minimized_depth": 3, "equivalent_regex": "b+((a?c)*a)*c*", "not_equivalent_regex": "aa+b*+b*c*", "positive_example": "acaacaa", "negative_example": "caaaaaab"}
+{"idx": 1658, "query": "(a+b)*+d+d+d+d", "tree_length": 12, "depth": 3, "minimized_regex": "d+(a+b)*", "minimized_tree_length": 6, "minimized_depth": 3, "equivalent_regex": "d+(bb+b*a)*b?", "not_equivalent_regex": "(a*+ad)b*?", "positive_example": "baabbb", "negative_example": "adabaaaa"}
+{"idx": 1659, "query": "a*(a+a)(ab)*", "tree_length": 11, "depth": 3, "minimized_regex": "aa*(ab)*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "a(ab?+a*)(ab)*", "not_equivalent_regex": "a*aa(a+a+b*)", "positive_example": "aaaaaab", "negative_example": "ba"}
+{"idx": 1660, "query": "ac+d*+c*(c+d)", "tree_length": 13, "depth": 3, "minimized_regex": "ac+c*d?+d*", "minimized_tree_length": 12, "minimized_depth": 4, "equivalent_regex": "ac+(d+c*)d?+d*", "not_equivalent_regex": "(a+a)c*(c+d)d*", "positive_example": "cccccccc", "negative_example": "cddddddd"}
+{"idx": 1661, "query": "(a*+a?)(ab+a+c)", "tree_length": 13, "depth": 3, "minimized_regex": "a*(c+ab?)", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "a+a*(c+a(a+b))", "not_equivalent_regex": "(ac+b*)c*c?", "positive_example": "aaaaaa", "negative_example": "aacc"}
+{"idx": 1662, "query": "b*d*(c*+dd)", "tree_length": 12, "depth": 3, "minimized_regex": "b*d*c*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "b*(d?c+d*)c*", "not_equivalent_regex": "(b+d)d*+(c+d)d*", "positive_example": "bbbbdccc", "negative_example": "bbcbbdd"}
+{"idx": 1663, "query": "(c+c*)(a?+b?)", "tree_length": 10, "depth": 3, "minimized_regex": "c*(a+b)?", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "c*(a+b+c)+c?a?", "not_equivalent_regex": "(a?+c*)(b*+c?)", "positive_example": "cc", "negative_example": "acccccc"}
+{"idx": 1664, "query": "(a*+d?)(a+b+d*)", "tree_length": 12, "depth": 3, "minimized_regex": "(d+a*)(a+b+d*)", "minimized_tree_length": 11, "minimized_depth": 3, "equivalent_regex": "d(a+b)?+a*(b+d*)", "not_equivalent_regex": "(a*+ab)(a+a+d*)", "positive_example": "aaaaaddd", "negative_example": "addbdddd"}
+{"idx": 1665, "query": "a+a*+a*(c+d)", "tree_length": 11, "depth": 3, "minimized_regex": "a*(c+d)?", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "(a*(a+c+d)+a?d)?", "not_equivalent_regex": "(a+a+c+d)(c*+cc)", "positive_example": "aaaaad", "negative_example": "aaaaacc"}
+{"idx": 1666, "query": "bc*(c*+d*)", "tree_length": 10, "depth": 3, "minimized_regex": "bc*d*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "b(d+c*)(dd)*d?", "not_equivalent_regex": "b**(bc+b+d)", "positive_example": "bcdddddd", "negative_example": "dbccdd"}
+{"idx": 1667, "query": "(a+d)b*(b*+b+c)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+d)b*c?", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(ab?+(a+d)b*)c?", "not_equivalent_regex": "(a+b)(c+d)(b*+b+b)", "positive_example": "dbbbc", "negative_example": "dbbdbb"}
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+{"idx": 1669, "query": "a?*(bd+c+d)", "tree_length": 11, "depth": 3, "minimized_regex": "a*(c+b?d)", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "a*(c+b?d)", "not_equivalent_regex": "a*(b+c)(b+d+d+d)", "positive_example": "aaaaaad", "negative_example": "aaaadb"}
+{"idx": 1670, "query": "(d+d?)(a+d+b*)", "tree_length": 11, "depth": 3, "minimized_regex": "d?(a+d+b*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "d(d+b*)+d?(a+b*)", "not_equivalent_regex": "(a+a)d*(b*+bd)", "positive_example": "db", "negative_example": "dbbbabb"}
+{"idx": 1671, "query": "(a+a+c*)(b+d)*", "tree_length": 11, "depth": 3, "minimized_regex": "(a+c*)(b+d)*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(a+c*(cb)?)(b+d)*", "not_equivalent_regex": "a+d+d?+b*c*", "positive_example": "bbdddd", "negative_example": "abbbbbcb"}
+{"idx": 1672, "query": "b*c*(c?+c+d)", "tree_length": 12, "depth": 3, "minimized_regex": "b*c*d?", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "(bbc+b*)c*d?", "not_equivalent_regex": "bdd*(c*+d+d)", "positive_example": "bbccc", "negative_example": "cccbcc"}
+{"idx": 1673, "query": "a*(a+d)+a*bd", "tree_length": 13, "depth": 3, "minimized_regex": "a*(a+b?d)", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "a*(a+b?d)", "not_equivalent_regex": "a*+b?+b*d*", "positive_example": "aaaabd", "negative_example": "bad"}
+{"idx": 1674, "query": "a*(b+b)(b*+c+c)", "tree_length": 13, "depth": 3, "minimized_regex": "a*b(c+b*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "bb?+a*b(c+b*)", "not_equivalent_regex": "(a+b)*(bc+c?)", "positive_example": "aaaabbbb", "negative_example": "cc"}
+{"idx": 1675, "query": "(a+c*)a*a?", "tree_length": 10, "depth": 3, "minimized_regex": "c*a*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "c*((a+c)a*)?a?", "not_equivalent_regex": "a*c*c*(c+c)", "positive_example": "caaaaa", "negative_example": "caccaa"}
+{"idx": 1676, "query": "a*b?(cd+d+d)", "tree_length": 13, "depth": 3, "minimized_regex": "a*b?c?d", "minimized_tree_length": 10, "minimized_depth": 4, "equivalent_regex": "a*(ac+b?c?)d", "not_equivalent_regex": "(a+c+bd)(d*+d*)", "positive_example": "aabd", "negative_example": "abaaaabd"}
+{"idx": 1677, "query": "(a+a?)a*b*", "tree_length": 10, "depth": 3, "minimized_regex": "a*b*", "minimized_tree_length": 5, "minimized_depth": 2, "equivalent_regex": "a*(abb)?b*", "not_equivalent_regex": "a*a?(b*+b?)", "positive_example": "a", "negative_example": "baa"}
+{"idx": 1678, "query": "(a+a+b?)(a+a)d*", "tree_length": 13, "depth": 3, "minimized_regex": "(a+b)?ad*", "minimized_tree_length": 9, "minimized_depth": 4, "equivalent_regex": "b?a+(a+b)?ad*", "not_equivalent_regex": "(a*+a*)(b+d+d?)", "positive_example": "addd", "negative_example": "bda"}
+{"idx": 1679, "query": "(b+c)(b+c)c*c*", "tree_length": 13, "depth": 3, "minimized_regex": "(b+c)(b+c)c*", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(b+c)(b+b?c)c*", "not_equivalent_regex": "(bc)*(c*+c*)", "positive_example": "bbc", "negative_example": "cccccbc"}
+{"idx": 1680, "query": "b*+b+c+c*d*", "tree_length": 12, "depth": 3, "minimized_regex": "c*d*+b*", "minimized_tree_length": 8, "minimized_depth": 3, "equivalent_regex": "c*(cd)?d*+b*", "not_equivalent_regex": "bc*(b*+c+d)", "positive_example": "ccccddd", "negative_example": "bcbbbb"}
+{"idx": 1681, "query": "bd*(b*+d+d)", "tree_length": 11, "depth": 3, "minimized_regex": "bd*b*", "minimized_tree_length": 7, "minimized_depth": 3, "equivalent_regex": "b(d*b*+(ddd)*)", "not_equivalent_regex": "b*d?b?*", "positive_example": "b", "negative_example": "bbbdbb"}
+{"idx": 1682, "query": "(a+d)c?c*(c+d)", "tree_length": 13, "depth": 3, "minimized_regex": "(a+d)c*(c+d)", "minimized_tree_length": 10, "minimized_depth": 3, "equivalent_regex": "(dc+(a+d)c*)(c+d)", "not_equivalent_regex": "(a+a)c*d?*", "positive_example": "accc", "negative_example": "accda"}
+{"idx": 1683, "query": "a?(a+c)(b*+b?)", "tree_length": 12, "depth": 3, "minimized_regex": "a?(a+c)b*", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "(cb+a?(a+c))b*", "not_equivalent_regex": "a*(a+a)(bc)*", "positive_example": "cbbbbbb", "negative_example": "acabbb"}
+{"idx": 1684, "query": "(a*+b?)(a+a+c*)", "tree_length": 12, "depth": 3, "minimized_regex": "(b+a*)(a+c*)", "minimized_tree_length": 9, "minimized_depth": 3, "equivalent_regex": "ba+(b+a*)c*", "not_equivalent_regex": "(a*+ab)(b+b+c?)", "positive_example": "aa", "negative_example": "cbcccc"}