diff options
Diffstat (limited to 'test/regress/regress2/proofs/sat-proof-reloaded-reason.smt2')
-rw-r--r-- | test/regress/regress2/proofs/sat-proof-reloaded-reason.smt2 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/regress/regress2/proofs/sat-proof-reloaded-reason.smt2 b/test/regress/regress2/proofs/sat-proof-reloaded-reason.smt2 new file mode 100644 index 000000000..8bc990b8b --- /dev/null +++ b/test/regress/regress2/proofs/sat-proof-reloaded-reason.smt2 @@ -0,0 +1,31 @@ +; COMMAND-LINE: --produce-proofs +; EXPECT: sat +; +; This is a benchmark exercising a dangerous behavior in SAT proofs +; where while eliminating redundant literals new clauses are added to +; the SAT solver and the reference to the reason of a literal could be +; lost. + +(set-logic QF_SLIA) +(declare-const x Int) +(declare-const x2 Int) +(declare-const x22 Int) +(declare-const x1 Int) +(declare-fun s () String) +(assert (not (= "0" (str.substr s (+ 1 1 1 1) 1)))) +(assert (not (= 1 (str.len (str.substr s (+ 1 1 1 1) (+ 1 1)))))) +(assert (ite (str.prefixof "-" (str.substr s (+ 1 1 1 1 1) (- (str.len s) (+ 1 1 1 1 1)))) (and (> (str.len (str.substr s (+ 1 1 1) (str.len s))) 1) (ite (= (- 1) (str.to_int (str.substr (str.substr s (+ 1 1 1 1 1) (- (str.len s) 1)) 1 1))) false true)) (= 1 (str.to_int (str.substr s x22 1))))) +(assert (ite (str.prefixof "-" (str.substr s (+ 1 1) 1)) (ite (= (- 1) (str.to_int (str.substr (str.substr s (+ 1 1) (+ 1 1)) 1 (- (str.len (str.substr s 0 (+ 1 1))) 1)))) false true) (= 0 (str.to_int (str.substr s (+ 1 1) (+ 1 1)))))) +(assert (<= (ite (str.prefixof "-" (str.substr s 0 1)) (str.to_int (str.substr (str.substr s (+ 1 1 1) (+ 1 1 1)) 1 (- (str.len (str.substr s (+ 1 1 1) (+ 1 1 1))) 1))) (str.to_int (str.substr s 0 x2))) 0)) +(assert (ite (str.prefixof "-" (str.substr s 0 1)) (and (> (str.len (str.substr s 0 (+ 1 1))) 1) (= 0 (str.to_int (str.substr (str.substr s 0 (+ 1 1)) 1 (- (str.len (str.substr s 0 (+ 1 1))) 1))))) true)) +(assert (not (= 1 (str.len (str.substr s (+ 1 1 1 1 1) (- (str.len s) (+ 1 1 1 1 1))))))) +(assert (ite (str.prefixof "-" (str.substr s (+ 1 1 1 1) (- (str.len s) (+ 1 1 1 1)))) true (= 1 (str.to_int (str.substr s (+ 1 1 1 1) 1))))) +(assert (= 1 (str.len (str.substr s (+ 1 1 1) 1)))) +(assert (not (= 1 (str.len (str.substr s 1 (+ 1 1 1)))))) +(assert (> (- (str.len s) 1 (+ 1 1) (+ 1 1)) 0)) +(assert (= "0" (str.substr s 1 1))) +(assert (not (<= (str.to_int (str.substr s x x1)) 0))) +(assert (not (= 1 (str.len (str.substr s (+ 1 1) (- (+ 1 1 1) 1)))))) +(assert (str.in_re s (re.+ (re.range "0" "9")))) +(assert (not (<= (ite (str.prefixof "-" (str.substr s (+ 1 1 1 1) 1)) (- (str.to_int (str.substr (str.substr s (+ 1 1 1 1) (+ 1 1)) 1 (- (str.len (str.substr s (+ 1 1) (+ 1 1))) 1)))) (str.to_int (str.substr s (+ 1 1 1 1) (+ 1 1)))) 1))) +(check-sat) |