java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/TreeAutomizer.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf -i /storage/chc-comp/vmt-chc-benchmarks/ctigar/nested9.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-21 11:49:51,882 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-21 11:49:51,884 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-21 11:49:51,900 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-21 11:49:51,900 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-21 11:49:51,901 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-21 11:49:51,902 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-21 11:49:51,904 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-21 11:49:51,906 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-21 11:49:51,906 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-21 11:49:51,908 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-21 11:49:51,908 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-21 11:49:51,909 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-21 11:49:51,910 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-21 11:49:51,913 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-21 11:49:51,914 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-21 11:49:51,915 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-21 11:49:51,928 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-21 11:49:51,929 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-21 11:49:51,930 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-21 11:49:51,931 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-21 11:49:51,934 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-21 11:49:51,934 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-21 11:49:51,934 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-21 11:49:51,935 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-21 11:49:51,941 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-21 11:49:51,942 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-21 11:49:51,943 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-21 11:49:51,944 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-21 11:49:51,944 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-21 11:49:51,945 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-21 11:49:51,946 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-21 11:49:51,950 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-21 11:49:51,951 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-21 11:49:51,952 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-21 11:49:51,952 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-21 11:49:51,959 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-21 11:49:51,959 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-21 11:49:51,961 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-21 11:49:51,961 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-21 11:49:51,961 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-21 11:49:51,962 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-21 11:49:51,962 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-21 11:49:52,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-21 11:49:52,029 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-21 11:49:52,034 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-21 11:49:52,035 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-21 11:49:52,036 INFO L276 PluginConnector]: SmtParser initialized [2018-06-21 11:49:52,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/nested9.c.smt2 [2018-06-21 11:49:52,038 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-21 11:49:52,134 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/nested9.c.smt2 unknown [2018-06-21 11:49:52,398 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/nested9.c.smt2 [2018-06-21 11:49:52,410 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-21 11:49:52,417 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-21 11:49:52,418 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-21 11:49:52,418 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-21 11:49:52,421 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-21 11:49:52,422 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 21.06 11:49:52" (1/1) ... Received shutdown request... [2018-06-21 11:50:47,355 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,356 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,357 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,358 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,359 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,359 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,360 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,361 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,362 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,362 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,363 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-06-21 11:50:47,377 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_4_Bool))) (or (and .cse0 c_hhv_state_3_Bool c_hhv_state_0_Bool c_hhv_state_1_Bool c_hhv_state_2_Bool) (and (not c_hhv_state_2_Bool) (not c_hhv_state_1_Bool) .cse0 (not c_hhv_state_3_Bool) (not c_hhv_state_0_Bool)))) is different from false [2018-06-21 11:50:47,378 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_4_Bool))) (or (and .cse0 c_hhv_state_3_Bool c_hhv_state_0_Bool c_hhv_state_1_Bool c_hhv_state_2_Bool) (and (not c_hhv_state_2_Bool) (not c_hhv_state_1_Bool) .cse0 (not c_hhv_state_3_Bool) (not c_hhv_state_0_Bool)))) is different from true [2018-06-21 11:50:47,381 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_2_Bool)) (.cse1 (not c_hhv_state_1_Bool)) (.cse2 (not c_hhv_state_4_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (let ((.cse4 (+ c_hhv_state_8_Int 1))) (and .cse0 (<= (+ c_hhv_state_8_Int 4) (+ c_hhv_state_10_Int (* 2 c_hhv_state_5_Int))) .cse1 .cse2 c_hhv_state_3_Bool .cse3 (<= .cse4 c_hhv_state_9_Int) (<= c_hhv_state_9_Int .cse4))) (and .cse0 .cse1 .cse2 (not c_hhv_state_3_Bool) .cse3))) is different from false [2018-06-21 11:50:47,381 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_2_Bool)) (.cse1 (not c_hhv_state_1_Bool)) (.cse2 (not c_hhv_state_4_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (let ((.cse4 (+ c_hhv_state_8_Int 1))) (and .cse0 (<= (+ c_hhv_state_8_Int 4) (+ c_hhv_state_10_Int (* 2 c_hhv_state_5_Int))) .cse1 .cse2 c_hhv_state_3_Bool .cse3 (<= .cse4 c_hhv_state_9_Int) (<= c_hhv_state_9_Int .cse4))) (and .cse0 .cse1 .cse2 (not c_hhv_state_3_Bool) .cse3))) is different from true [2018-06-21 11:50:47,382 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool))) (or (let ((.cse0 (+ c_hhv_state_10_Int 1))) (and (<= .cse0 c_hhv_state_9_Int) .cse1 .cse2 c_hhv_state_0_Bool (<= 4 (* 2 c_hhv_state_5_Int)) c_hhv_state_1_Bool c_hhv_state_2_Bool (<= c_hhv_state_9_Int .cse0))) (and (not c_hhv_state_2_Bool) (not c_hhv_state_1_Bool) .cse1 .cse2 (not c_hhv_state_0_Bool)))) is different from false [2018-06-21 11:50:47,383 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool))) (or (let ((.cse0 (+ c_hhv_state_10_Int 1))) (and (<= .cse0 c_hhv_state_9_Int) .cse1 .cse2 c_hhv_state_0_Bool (<= 4 (* 2 c_hhv_state_5_Int)) c_hhv_state_1_Bool c_hhv_state_2_Bool (<= c_hhv_state_9_Int .cse0))) (and (not c_hhv_state_2_Bool) (not c_hhv_state_1_Bool) .cse1 .cse2 (not c_hhv_state_0_Bool)))) is different from true [2018-06-21 11:50:47,384 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse1 (not c_hhv_state_1_Bool)) (.cse2 (not c_hhv_state_4_Bool)) (.cse3 (not c_hhv_state_3_Bool))) (or (let ((.cse0 (+ c_hhv_state_10_Int 1))) (and (<= .cse0 c_hhv_state_9_Int) .cse1 .cse2 .cse3 c_hhv_state_0_Bool (<= 4 (* 2 c_hhv_state_5_Int)) c_hhv_state_2_Bool (<= c_hhv_state_9_Int .cse0) (<= (+ c_hhv_state_9_Int 1) (* 3 c_hhv_state_10_Int)))) (and (not c_hhv_state_2_Bool) .cse1 .cse2 .cse3 (not c_hhv_state_0_Bool)))) is different from false [2018-06-21 11:50:47,384 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse1 (not c_hhv_state_1_Bool)) (.cse2 (not c_hhv_state_4_Bool)) (.cse3 (not c_hhv_state_3_Bool))) (or (let ((.cse0 (+ c_hhv_state_10_Int 1))) (and (<= .cse0 c_hhv_state_9_Int) .cse1 .cse2 .cse3 c_hhv_state_0_Bool (<= 4 (* 2 c_hhv_state_5_Int)) c_hhv_state_2_Bool (<= c_hhv_state_9_Int .cse0) (<= (+ c_hhv_state_9_Int 1) (* 3 c_hhv_state_10_Int)))) (and (not c_hhv_state_2_Bool) .cse1 .cse2 .cse3 (not c_hhv_state_0_Bool)))) is different from true [2018-06-21 11:50:47,386 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_2_Bool)) (.cse1 (not c_hhv_state_1_Bool)) (.cse3 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse4 (not c_hhv_state_0_Bool))) (or (and .cse0 .cse1 .cse2 c_hhv_state_4_Bool c_hhv_state_0_Bool) (and (<= 1 c_hhv_state_10_Int) (ite c_hhv_state_1_Bool (and .cse3 .cse2 .cse4 c_hhv_state_2_Bool) (and .cse0 .cse2 c_hhv_state_4_Bool c_hhv_state_0_Bool)) (<= 4 (* 2 c_hhv_state_5_Int)) (<= c_hhv_state_10_Int 1)) (and .cse0 .cse1 .cse3 .cse2 .cse4))) is different from false [2018-06-21 11:50:47,388 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_2_Bool)) (.cse1 (not c_hhv_state_1_Bool)) (.cse3 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse4 (not c_hhv_state_0_Bool))) (or (and .cse0 .cse1 .cse2 c_hhv_state_4_Bool c_hhv_state_0_Bool) (and (<= 1 c_hhv_state_10_Int) (ite c_hhv_state_1_Bool (and .cse3 .cse2 .cse4 c_hhv_state_2_Bool) (and .cse0 .cse2 c_hhv_state_4_Bool c_hhv_state_0_Bool)) (<= 4 (* 2 c_hhv_state_5_Int)) (<= c_hhv_state_10_Int 1)) (and .cse0 .cse1 .cse3 .cse2 .cse4))) is different from true [2018-06-21 11:50:47,389 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_1_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (and (<= 1 c_hhv_state_10_Int) .cse0 .cse1 .cse2 .cse3 c_hhv_state_2_Bool (<= 2 (* 2 c_hhv_state_10_Int)) (<= c_hhv_state_10_Int 1)) (and (not c_hhv_state_2_Bool) .cse0 .cse1 .cse2 .cse3))) is different from false [2018-06-21 11:50:47,389 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_1_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (and (<= 1 c_hhv_state_10_Int) .cse0 .cse1 .cse2 .cse3 c_hhv_state_2_Bool (<= 2 (* 2 c_hhv_state_10_Int)) (<= c_hhv_state_10_Int 1)) (and (not c_hhv_state_2_Bool) .cse0 .cse1 .cse2 .cse3))) is different from true [2018-06-21 11:50:47,390 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_2_Bool)) (.cse1 (not c_hhv_state_3_Bool)) (.cse2 (not c_hhv_state_0_Bool))) (or (and .cse0 (<= 1 c_hhv_state_10_Int) .cse1 c_hhv_state_4_Bool c_hhv_state_1_Bool .cse2 (<= c_hhv_state_10_Int 1)) (and .cse0 (not c_hhv_state_1_Bool) (not c_hhv_state_4_Bool) .cse1 .cse2))) is different from false [2018-06-21 11:50:47,391 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_2_Bool)) (.cse1 (not c_hhv_state_3_Bool)) (.cse2 (not c_hhv_state_0_Bool))) (or (and .cse0 (<= 1 c_hhv_state_10_Int) .cse1 c_hhv_state_4_Bool c_hhv_state_1_Bool .cse2 (<= c_hhv_state_10_Int 1)) (and .cse0 (not c_hhv_state_1_Bool) (not c_hhv_state_4_Bool) .cse1 .cse2))) is different from true [2018-06-21 11:50:47,392 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_2_Bool)) (.cse1 (not c_hhv_state_1_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (and .cse0 .cse1 (<= c_hhv_state_10_Int 0) .cse2 c_hhv_state_4_Bool (<= 0 c_hhv_state_10_Int) .cse3) (and .cse0 .cse1 (not c_hhv_state_4_Bool) .cse2 .cse3))) is different from false [2018-06-21 11:50:47,393 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_2_Bool)) (.cse1 (not c_hhv_state_1_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (and .cse0 .cse1 (<= c_hhv_state_10_Int 0) .cse2 c_hhv_state_4_Bool (<= 0 c_hhv_state_10_Int) .cse3) (and .cse0 .cse1 (not c_hhv_state_4_Bool) .cse2 .cse3))) is different from true [2018-06-21 11:50:47,394 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_1_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool))) (or (and .cse0 .cse1 (<= c_hhv_state_10_Int 0) (<= (* 3 c_hhv_state_10_Int) c_hhv_state_9_Int) .cse2 (<= 0 c_hhv_state_10_Int) c_hhv_state_0_Bool c_hhv_state_2_Bool) (and (not c_hhv_state_2_Bool) .cse0 .cse1 .cse2 (not c_hhv_state_0_Bool)))) is different from false [2018-06-21 11:50:47,394 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_1_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool))) (or (and .cse0 .cse1 (<= c_hhv_state_10_Int 0) (<= (* 3 c_hhv_state_10_Int) c_hhv_state_9_Int) .cse2 (<= 0 c_hhv_state_10_Int) c_hhv_state_0_Bool c_hhv_state_2_Bool) (and (not c_hhv_state_2_Bool) .cse0 .cse1 .cse2 (not c_hhv_state_0_Bool)))) is different from true [2018-06-21 11:50:47,404 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse3 (not c_hhv_state_2_Bool)) (.cse0 (not c_hhv_state_4_Bool)) (.cse1 (not c_hhv_state_3_Bool)) (.cse2 (not c_hhv_state_0_Bool))) (or (ite c_hhv_state_1_Bool (and (<= c_hhv_state_10_Int 0) .cse0 .cse1 (<= 0 c_hhv_state_10_Int) .cse2 c_hhv_state_2_Bool) (and .cse3 .cse1 c_hhv_state_4_Bool c_hhv_state_0_Bool)) (and .cse3 (not c_hhv_state_1_Bool) .cse0 .cse1 .cse2))) is different from false [2018-06-21 11:50:47,404 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse3 (not c_hhv_state_2_Bool)) (.cse0 (not c_hhv_state_4_Bool)) (.cse1 (not c_hhv_state_3_Bool)) (.cse2 (not c_hhv_state_0_Bool))) (or (ite c_hhv_state_1_Bool (and (<= c_hhv_state_10_Int 0) .cse0 .cse1 (<= 0 c_hhv_state_10_Int) .cse2 c_hhv_state_2_Bool) (and .cse3 .cse1 c_hhv_state_4_Bool c_hhv_state_0_Bool)) (and .cse3 (not c_hhv_state_1_Bool) .cse0 .cse1 .cse2))) is different from true [2018-06-21 11:50:47,406 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_1_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (and .cse0 .cse1 (<= c_hhv_state_10_Int 0) .cse2 (<= 0 c_hhv_state_10_Int) .cse3 c_hhv_state_2_Bool) (and (not c_hhv_state_2_Bool) .cse0 .cse1 .cse2 .cse3))) is different from false [2018-06-21 11:50:47,406 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_1_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (and .cse0 .cse1 (<= c_hhv_state_10_Int 0) .cse2 (<= 0 c_hhv_state_10_Int) .cse3 c_hhv_state_2_Bool) (and (not c_hhv_state_2_Bool) .cse0 .cse1 .cse2 .cse3))) is different from true [2018-06-21 11:50:47,407 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_2_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool))) (or (and .cse0 (not c_hhv_state_1_Bool) .cse1 .cse2 c_hhv_state_0_Bool) (and .cse0 .cse1 .cse2 c_hhv_state_0_Bool c_hhv_state_1_Bool))) is different from false [2018-06-21 11:50:47,407 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_2_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool))) (or (and .cse0 (not c_hhv_state_1_Bool) .cse1 .cse2 c_hhv_state_0_Bool) (and .cse0 .cse1 .cse2 c_hhv_state_0_Bool c_hhv_state_1_Bool))) is different from true [2018-06-21 11:50:47,425 WARN L176 SmtUtils]: Removed 2 from assertion stack [2018-06-21 11:50:47,426 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer. Reason: Timeout or Toolchain cancelled by user [2018-06-21 11:50:47,428 INFO L168 Benchmark]: Toolchain (without parser) took 55017.19 ms. Allocated memory was 309.9 MB in the beginning and 1.1 GB in the end (delta: 817.4 MB). Free memory was 266.2 MB in the beginning and 435.7 MB in the end (delta: -169.6 MB). Peak memory consumption was 647.8 MB. Max. memory is 3.6 GB. [2018-06-21 11:50:47,431 INFO L168 Benchmark]: SmtParser took 0.16 ms. Allocated memory is still 309.9 MB. Free memory is still 277.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-21 11:50:47,431 INFO L168 Benchmark]: TreeAutomizer took 55009.58 ms. Allocated memory was 309.9 MB in the beginning and 1.1 GB in the end (delta: 817.4 MB). Free memory was 265.2 MB in the beginning and 435.7 MB in the end (delta: -170.6 MB). Peak memory consumption was 646.8 MB. Max. memory is 3.6 GB. [2018-06-21 11:50:47,434 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.16 ms. Allocated memory is still 309.9 MB. Free memory is still 277.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 55009.58 ms. Allocated memory was 309.9 MB in the beginning and 1.1 GB in the end (delta: 817.4 MB). Free memory was 265.2 MB in the beginning and 435.7 MB in the end (delta: -170.6 MB). Peak memory consumption was 646.8 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer) Toolchain cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 24. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/nested9.c.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-21_11-50-47-449.csv Completed graceful shutdown