diff options
Diffstat (limited to 'test/regress')
-rw-r--r-- | test/regress/CMakeLists.txt | 4 | ||||
-rw-r--r-- | test/regress/regress0/cvc-rerror-print.cvc | 2 | ||||
-rw-r--r-- | test/regress/regress2/proofs/sat-proof-reloaded-reason.smt2 | 31 | ||||
-rw-r--r-- | test/regress/regress2/strings/proof-fail-083021-delta.smt2 | 12 |
4 files changed, 47 insertions, 2 deletions
diff --git a/test/regress/CMakeLists.txt b/test/regress/CMakeLists.txt index 0d8ec19dc..d1208ad0f 100644 --- a/test/regress/CMakeLists.txt +++ b/test/regress/CMakeLists.txt @@ -2110,7 +2110,7 @@ set(regress_1_tests regress1/strings/bug686dd.smt2 regress1/strings/bug768.smt2 regress1/strings/bug799-min.smt2 - regress1/strings/cee-norn-aes-trivially.smt2 + regress1/strings/cee-norn-aes-trivially.smt2 regress1/strings/chapman150408.smt2 regress1/strings/cmu-2db2-extf-reg.smt2 regress1/strings/cmu-5042-0707-2.smt2 @@ -2509,6 +2509,7 @@ set(regress_2_tests regress2/ooo.rf6.smt2 regress2/ooo.tag10.smt2 regress2/piVC_5581bd.smt2 + regress2/proofs/sat-proof-reloaded-reason.smt2 regress2/push-pop/DRAGON_4_e2_2799_e3_1915.lus.ic3.1.min.smt2 regress2/quantifiers/AdditiveMethods_AdditiveMethods..ctor.smt2 regress2/quantifiers/cee-event-wrong-sat.smt2 @@ -2539,6 +2540,7 @@ set(regress_2_tests regress2/strings/issue6639-replace-re-all.smt2 regress2/strings/issue918.smt2 regress2/strings/non_termination_regular_expression6.smt2 + regress2/strings/proof-fail-083021-delta.smt2 regress2/strings/range-perf.smt2 regress2/strings/repl-repl-i-no-push.smt2 regress2/strings/repl-repl.smt2 diff --git a/test/regress/regress0/cvc-rerror-print.cvc b/test/regress/regress0/cvc-rerror-print.cvc index e134b5666..728db28d8 100644 --- a/test/regress/regress0/cvc-rerror-print.cvc +++ b/test/regress/regress0/cvc-rerror-print.cvc @@ -1,5 +1,5 @@ % EXPECT: entailed -% EXPECT: Cannot get model unless immediately preceded by SAT/NOT_ENTAILED or UNKNOWN response. +% EXPECT: Cannot get model unless after a SAT or unknown response. OPTION "logic" "ALL"; OPTION "produce-models" true; x : INT; 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) diff --git a/test/regress/regress2/strings/proof-fail-083021-delta.smt2 b/test/regress/regress2/strings/proof-fail-083021-delta.smt2 new file mode 100644 index 000000000..981102b7c --- /dev/null +++ b/test/regress/regress2/strings/proof-fail-083021-delta.smt2 @@ -0,0 +1,12 @@ +(set-logic QF_SLIA) +(set-info :status unsat) +(declare-const x Bool) +(declare-const x1 Int) +(declare-fun s () String) +(assert (ite (str.prefixof "-" (str.substr s 0 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 (<= (- (str.len s) 1 (+ 1 1) 1) 3))) +(assert (ite x true (> 1 (str.len (str.substr s (+ 1 1 1 1) (- (str.len s) (+ 1 1 1 1 1))))))) +(assert (ite (str.prefixof "-" (str.substr s (+ 1 1) 1)) (= 0 (str.to_int (str.substr (str.substr s (+ 1 1) (+ 1 1 1)) 1 (- (str.len (str.substr s 1 x1)) 1)))) true)) +(assert (str.in_re s (re.+ (re.range "0" "9")))) +(assert (not (<= (str.to_int (str.substr s 0 (+ 1 1))) 255))) +(check-sat) |