/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/n.c24.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:23:52,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:23:52,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:23:52,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:23:52,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:23:52,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:23:52,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:23:52,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:23:52,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:23:52,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:23:52,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:23:52,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:23:52,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:23:52,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:23:52,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:23:52,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:23:52,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:23:52,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:23:52,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:23:52,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:23:52,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:23:52,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:23:52,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:23:52,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:23:52,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:23:52,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:23:52,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:23:52,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:23:52,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:23:52,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:23:52,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:23:52,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:23:52,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:23:52,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:23:52,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:23:52,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:23:52,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:23:52,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:23:52,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:23:52,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:23:52,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:23:52,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 16:23:52,730 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:23:52,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:23:52,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:23:52,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:23:52,731 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:23:52,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:23:52,732 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:23:52,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:23:52,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:23:52,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:23:52,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:23:52,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:23:52,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:23:52,733 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:23:52,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:23:52,734 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:23:52,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:23:52,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:23:52,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:23:52,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:23:52,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:23:52,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:23:52,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:23:52,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:23:52,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:23:52,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:23:52,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:23:52,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:23:52,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:23:52,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:23:53,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:23:53,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:23:53,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:23:53,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:23:53,049 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:23:53,049 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/n.c24.i [2020-10-12 16:23:53,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3f1ec645/00cf61c0578f429a84c2704f379a1055/FLAGb880b8446 [2020-10-12 16:23:53,527 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:23:53,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/n.c24.i [2020-10-12 16:23:53,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3f1ec645/00cf61c0578f429a84c2704f379a1055/FLAGb880b8446 [2020-10-12 16:23:53,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3f1ec645/00cf61c0578f429a84c2704f379a1055 [2020-10-12 16:23:53,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:23:53,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:23:53,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:23:53,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:23:53,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:23:53,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:23:53" (1/1) ... [2020-10-12 16:23:53,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3188d529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:53, skipping insertion in model container [2020-10-12 16:23:53,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:23:53" (1/1) ... [2020-10-12 16:23:53,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:23:53,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:23:54,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:23:54,228 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:23:54,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:23:54,434 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:23:54,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:54 WrapperNode [2020-10-12 16:23:54,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:23:54,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:23:54,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:23:54,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:23:54,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:54" (1/1) ... [2020-10-12 16:23:54,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:54" (1/1) ... [2020-10-12 16:23:54,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:54" (1/1) ... [2020-10-12 16:23:54,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:54" (1/1) ... [2020-10-12 16:23:54,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:54" (1/1) ... [2020-10-12 16:23:54,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:54" (1/1) ... [2020-10-12 16:23:54,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:54" (1/1) ... [2020-10-12 16:23:54,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:23:54,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:23:54,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:23:54,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:23:54,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:23:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:23:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:23:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-12 16:23:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2020-10-12 16:23:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-12 16:23:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:23:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-12 16:23:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:23:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-12 16:23:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 16:23:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-12 16:23:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2020-10-12 16:23:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 16:23:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-12 16:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-12 16:23:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-12 16:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-12 16:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-12 16:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-12 16:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-12 16:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-12 16:23:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2020-10-12 16:23:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2020-10-12 16:23:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2020-10-12 16:23:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2020-10-12 16:23:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2020-10-12 16:23:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2020-10-12 16:23:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-12 16:23:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-12 16:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-12 16:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-12 16:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-12 16:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-12 16:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2020-10-12 16:23:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2020-10-12 16:23:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2020-10-12 16:23:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-12 16:23:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-12 16:23:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2020-10-12 16:23:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2020-10-12 16:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2020-10-12 16:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2020-10-12 16:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2020-10-12 16:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2020-10-12 16:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2020-10-12 16:23:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure index [2020-10-12 16:23:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2020-10-12 16:23:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-10-12 16:23:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2020-10-12 16:23:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2020-10-12 16:23:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-12 16:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2020-10-12 16:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2020-10-12 16:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2020-10-12 16:23:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2020-10-12 16:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2020-10-12 16:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2020-10-12 16:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-12 16:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:23:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-12 16:23:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 16:23:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 16:23:55,137 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:23:55,138 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 16:23:55,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:23:55 BoogieIcfgContainer [2020-10-12 16:23:55,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:23:55,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:23:55,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:23:55,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:23:55,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:23:53" (1/3) ... [2020-10-12 16:23:55,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439d0150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:23:55, skipping insertion in model container [2020-10-12 16:23:55,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:23:54" (2/3) ... [2020-10-12 16:23:55,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439d0150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:23:55, skipping insertion in model container [2020-10-12 16:23:55,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:23:55" (3/3) ... [2020-10-12 16:23:55,154 INFO L109 eAbstractionObserver]: Analyzing ICFG n.c24.i [2020-10-12 16:23:55,166 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:23:55,176 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:23:55,193 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:23:55,223 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:23:55,223 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:23:55,223 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:23:55,224 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:23:55,224 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:23:55,224 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:23:55,225 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:23:55,225 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:23:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-10-12 16:23:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-12 16:23:55,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:23:55,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:23:55,263 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:23:55,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:23:55,271 INFO L82 PathProgramCache]: Analyzing trace with hash -581213385, now seen corresponding path program 1 times [2020-10-12 16:23:55,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:23:55,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057888305] [2020-10-12 16:23:55,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:23:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:55,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:55,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:55,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:55,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 16:23:55,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:23:55,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-12 16:23:55,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:55,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:23:55,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:23:55,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:23:55,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:23:55,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:23:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:55,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:55,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:55,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:23:55,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:23:55,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:23:55,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:55,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:23:55,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:23:55,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:23:55,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:23:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:23:55,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057888305] [2020-10-12 16:23:55,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:23:55,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 16:23:55,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046111415] [2020-10-12 16:23:55,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 16:23:55,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:23:55,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 16:23:55,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 16:23:55,778 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 4 states. [2020-10-12 16:23:56,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:23:56,024 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2020-10-12 16:23:56,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-12 16:23:56,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-12 16:23:56,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:23:56,038 INFO L225 Difference]: With dead ends: 123 [2020-10-12 16:23:56,038 INFO L226 Difference]: Without dead ends: 69 [2020-10-12 16:23:56,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 16:23:56,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-12 16:23:56,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 48. [2020-10-12 16:23:56,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-12 16:23:56,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2020-10-12 16:23:56,108 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 13 [2020-10-12 16:23:56,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:23:56,108 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2020-10-12 16:23:56,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 16:23:56,109 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2020-10-12 16:23:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-12 16:23:56,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:23:56,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:23:56,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:23:56,111 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:23:56,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:23:56,111 INFO L82 PathProgramCache]: Analyzing trace with hash -351648040, now seen corresponding path program 1 times [2020-10-12 16:23:56,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:23:56,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950166667] [2020-10-12 16:23:56,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:23:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:56,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:56,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:56,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:56,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:56,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:23:56,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:23:56,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 568 [2020-10-12 16:23:56,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:23:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:23:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:23:56,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:23:56,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:23:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:56,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:56,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:56,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:23:56,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:23:56,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:23:56,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:23:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:23:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:23:56,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:23:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 16:23:56,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950166667] [2020-10-12 16:23:56,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:23:56,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 16:23:56,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560110406] [2020-10-12 16:23:56,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 16:23:56,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:23:56,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 16:23:56,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 16:23:56,776 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 6 states. [2020-10-12 16:23:56,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:23:56,981 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2020-10-12 16:23:56,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 16:23:56,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-12 16:23:56,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:23:56,983 INFO L225 Difference]: With dead ends: 74 [2020-10-12 16:23:56,983 INFO L226 Difference]: Without dead ends: 69 [2020-10-12 16:23:56,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 16:23:56,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-12 16:23:56,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 50. [2020-10-12 16:23:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-12 16:23:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2020-10-12 16:23:56,996 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 20 [2020-10-12 16:23:56,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:23:56,996 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2020-10-12 16:23:56,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 16:23:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2020-10-12 16:23:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 16:23:56,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:23:56,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:23:56,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:23:56,999 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:23:56,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:23:56,999 INFO L82 PathProgramCache]: Analyzing trace with hash -2035261118, now seen corresponding path program 1 times [2020-10-12 16:23:56,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:23:57,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764208975] [2020-10-12 16:23:57,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:23:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:57,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:57,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:57,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:57,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:57,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:23:57,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:23:57,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 534 [2020-10-12 16:23:57,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:23:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:23:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 16:23:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:23:57,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:23:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:57,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:57,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:57,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:23:57,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:23:57,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:23:57,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:57,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:23:57,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:23:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:23:57,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:23:57,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:23:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:57,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:57,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:57,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:23:57,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:23:57,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:23:57,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:23:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:23:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:23:57,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:23:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 16:23:57,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764208975] [2020-10-12 16:23:57,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:23:57,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 16:23:57,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079690283] [2020-10-12 16:23:57,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 16:23:57,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:23:57,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 16:23:57,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 16:23:57,689 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 8 states. [2020-10-12 16:23:58,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:23:58,044 INFO L93 Difference]: Finished difference Result 99 states and 133 transitions. [2020-10-12 16:23:58,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 16:23:58,044 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-12 16:23:58,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:23:58,048 INFO L225 Difference]: With dead ends: 99 [2020-10-12 16:23:58,048 INFO L226 Difference]: Without dead ends: 94 [2020-10-12 16:23:58,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-12 16:23:58,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-12 16:23:58,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 67. [2020-10-12 16:23:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-12 16:23:58,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 88 transitions. [2020-10-12 16:23:58,061 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 88 transitions. Word has length 29 [2020-10-12 16:23:58,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:23:58,061 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 88 transitions. [2020-10-12 16:23:58,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 16:23:58,062 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2020-10-12 16:23:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-12 16:23:58,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:23:58,064 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:23:58,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 16:23:58,065 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:23:58,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:23:58,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1102077464, now seen corresponding path program 2 times [2020-10-12 16:23:58,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:23:58,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812569155] [2020-10-12 16:23:58,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:23:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:58,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:58,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:58,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:58,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:58,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 16:23:58,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:23:58,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 659 [2020-10-12 16:23:58,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:23:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:23:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 16:23:58,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:23:58,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:23:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:58,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:58,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:58,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:23:58,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:23:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:23:58,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:23:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:23:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:23:58,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:23:58,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:23:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:58,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:58,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:58,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:23:58,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:23:58,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:23:58,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:58,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:23:58,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:23:58,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:23:58,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:23:58,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:23:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:58,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:58,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:23:58,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:23:58,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:23:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:23:58,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:23:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:23:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:23:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:23:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:23:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 16:23:58,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812569155] [2020-10-12 16:23:58,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:23:58,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 16:23:58,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567901619] [2020-10-12 16:23:58,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 16:23:58,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:23:58,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 16:23:58,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 16:23:58,888 INFO L87 Difference]: Start difference. First operand 67 states and 88 transitions. Second operand 9 states. [2020-10-12 16:23:59,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:23:59,288 INFO L93 Difference]: Finished difference Result 120 states and 165 transitions. [2020-10-12 16:23:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 16:23:59,289 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2020-10-12 16:23:59,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:23:59,291 INFO L225 Difference]: With dead ends: 120 [2020-10-12 16:23:59,291 INFO L226 Difference]: Without dead ends: 115 [2020-10-12 16:23:59,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-12 16:23:59,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-12 16:23:59,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 84. [2020-10-12 16:23:59,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-12 16:23:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 115 transitions. [2020-10-12 16:23:59,306 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 115 transitions. Word has length 38 [2020-10-12 16:23:59,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:23:59,306 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 115 transitions. [2020-10-12 16:23:59,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 16:23:59,306 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2020-10-12 16:23:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-12 16:23:59,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:23:59,309 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:23:59,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 16:23:59,309 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:23:59,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:23:59,310 INFO L82 PathProgramCache]: Analyzing trace with hash -162500094, now seen corresponding path program 3 times [2020-10-12 16:23:59,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:23:59,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071043644] [2020-10-12 16:23:59,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:23:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:23:59,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:59,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:23:59,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:00,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:00,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 16:24:00,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:00,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-12 16:24:00,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:00,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:24:00,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:00,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 16:24:00,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:00,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:00,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:00,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:00,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:00,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:00,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:00,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:00,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:00,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:00,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:00,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:00,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:00,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:00,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:24:00,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:00,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:00,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:00,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:00,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:00,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:00,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:24:00,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:00,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:00,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:00,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:00,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:00,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:00,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:00,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:00,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:24:00,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 16:24:00,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071043644] [2020-10-12 16:24:00,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:00,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 16:24:00,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640881280] [2020-10-12 16:24:00,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 16:24:00,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:00,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 16:24:00,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-12 16:24:00,500 INFO L87 Difference]: Start difference. First operand 84 states and 115 transitions. Second operand 10 states. [2020-10-12 16:24:01,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:01,112 INFO L93 Difference]: Finished difference Result 141 states and 197 transitions. [2020-10-12 16:24:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 16:24:01,113 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 47 [2020-10-12 16:24:01,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:01,115 INFO L225 Difference]: With dead ends: 141 [2020-10-12 16:24:01,116 INFO L226 Difference]: Without dead ends: 136 [2020-10-12 16:24:01,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 16:24:01,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-12 16:24:01,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 101. [2020-10-12 16:24:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-12 16:24:01,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 142 transitions. [2020-10-12 16:24:01,149 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 142 transitions. Word has length 47 [2020-10-12 16:24:01,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:01,152 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 142 transitions. [2020-10-12 16:24:01,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 16:24:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2020-10-12 16:24:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-12 16:24:01,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:01,158 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:01,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 16:24:01,159 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:01,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:01,159 INFO L82 PathProgramCache]: Analyzing trace with hash 876029272, now seen corresponding path program 4 times [2020-10-12 16:24:01,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:01,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989712794] [2020-10-12 16:24:01,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:01,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:01,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:01,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:02,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:02,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 16:24:02,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:02,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1199 [2020-10-12 16:24:02,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:24:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 16:24:02,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:02,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:02,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:02,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:02,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:02,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:02,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:02,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:02,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:02,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:02,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:02,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:02,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:02,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:02,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:24:02,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:02,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:02,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:02,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:02,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:02,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:02,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:02,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:02,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:02,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:24:02,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:02,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:02,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:02,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:02,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:02,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:02,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:02,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:24:02,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:02,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:02,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:02,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:02,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:02,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:02,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:02,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:02,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:02,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:24:02,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:02,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-12 16:24:02,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989712794] [2020-10-12 16:24:02,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:02,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 16:24:02,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334999300] [2020-10-12 16:24:02,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 16:24:02,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:02,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 16:24:02,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-12 16:24:02,577 INFO L87 Difference]: Start difference. First operand 101 states and 142 transitions. Second operand 11 states. [2020-10-12 16:24:03,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:03,187 INFO L93 Difference]: Finished difference Result 162 states and 229 transitions. [2020-10-12 16:24:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 16:24:03,188 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2020-10-12 16:24:03,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:03,192 INFO L225 Difference]: With dead ends: 162 [2020-10-12 16:24:03,192 INFO L226 Difference]: Without dead ends: 157 [2020-10-12 16:24:03,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-12 16:24:03,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-12 16:24:03,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 118. [2020-10-12 16:24:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-12 16:24:03,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2020-10-12 16:24:03,233 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 56 [2020-10-12 16:24:03,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:03,233 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2020-10-12 16:24:03,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 16:24:03,234 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2020-10-12 16:24:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-12 16:24:03,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:03,239 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:03,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 16:24:03,239 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:03,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:03,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1546267966, now seen corresponding path program 5 times [2020-10-12 16:24:03,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:03,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822711293] [2020-10-12 16:24:03,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:03,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:03,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:03,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:04,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:04,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 16:24:04,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:04,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1574 [2020-10-12 16:24:04,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 16:24:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 16:24:04,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:04,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:04,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:04,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:04,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:04,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:04,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:04,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:04,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:04,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:04,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:04,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:04,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:04,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:04,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:04,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:04,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:04,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:24:04,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:04,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:04,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:04,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:05,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:05,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:05,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:05,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:05,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:05,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:05,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:05,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:05,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:05,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:05,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:05,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:05,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:05,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:05,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:05,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:05,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:05,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:05,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:05,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:05,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:05,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:05,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:05,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:05,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:05,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:05,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:05,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:05,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:05,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:05,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:24:05,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:05,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 1 proven. 65 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 16:24:05,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822711293] [2020-10-12 16:24:05,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:05,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 16:24:05,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938485554] [2020-10-12 16:24:05,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 16:24:05,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:05,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 16:24:05,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-10-12 16:24:05,056 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 12 states. [2020-10-12 16:24:05,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:05,782 INFO L93 Difference]: Finished difference Result 183 states and 261 transitions. [2020-10-12 16:24:05,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 16:24:05,782 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-10-12 16:24:05,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:05,784 INFO L225 Difference]: With dead ends: 183 [2020-10-12 16:24:05,785 INFO L226 Difference]: Without dead ends: 178 [2020-10-12 16:24:05,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-10-12 16:24:05,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-12 16:24:05,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 135. [2020-10-12 16:24:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-12 16:24:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2020-10-12 16:24:05,798 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 65 [2020-10-12 16:24:05,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:05,799 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2020-10-12 16:24:05,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 16:24:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2020-10-12 16:24:05,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-12 16:24:05,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:05,801 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:05,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 16:24:05,801 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:05,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:05,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1378706280, now seen corresponding path program 6 times [2020-10-12 16:24:05,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:05,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256647989] [2020-10-12 16:24:05,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:05,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:05,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:05,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:07,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:07,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-12 16:24:07,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:07,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1450 [2020-10-12 16:24:07,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:07,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:24:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 16:24:07,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:07,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:07,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:07,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:07,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:07,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:07,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:07,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:07,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:07,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:07,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:07,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:07,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:07,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:07,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:07,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:07,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:07,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:07,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:07,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:07,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:07,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:07,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:07,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:07,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:07,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:07,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:07,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:07,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:24:07,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:07,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:07,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:07,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:07,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:07,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:07,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:07,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:07,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:07,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:07,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:07,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:07,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:07,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:07,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:07,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:07,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:07,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:07,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:07,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:07,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:07,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:07,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:07,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:07,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:07,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:07,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:07,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:07,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:07,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:07,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:07,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:07,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:07,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:07,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:24:07,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:07,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 1 proven. 96 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-12 16:24:07,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256647989] [2020-10-12 16:24:07,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:07,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 16:24:07,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80673366] [2020-10-12 16:24:07,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 16:24:07,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:07,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 16:24:07,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-12 16:24:07,541 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 13 states. [2020-10-12 16:24:08,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:08,311 INFO L93 Difference]: Finished difference Result 204 states and 293 transitions. [2020-10-12 16:24:08,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 16:24:08,312 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 74 [2020-10-12 16:24:08,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:08,314 INFO L225 Difference]: With dead ends: 204 [2020-10-12 16:24:08,314 INFO L226 Difference]: Without dead ends: 199 [2020-10-12 16:24:08,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-12 16:24:08,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-10-12 16:24:08,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 152. [2020-10-12 16:24:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-12 16:24:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 223 transitions. [2020-10-12 16:24:08,333 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 223 transitions. Word has length 74 [2020-10-12 16:24:08,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:08,334 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 223 transitions. [2020-10-12 16:24:08,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 16:24:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 223 transitions. [2020-10-12 16:24:08,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-12 16:24:08,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:08,338 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:08,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 16:24:08,338 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:08,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:08,339 INFO L82 PathProgramCache]: Analyzing trace with hash -24345726, now seen corresponding path program 7 times [2020-10-12 16:24:08,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:08,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708666809] [2020-10-12 16:24:08,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:08,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:08,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:08,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:10,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:10,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 16:24:10,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:10,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1732 [2020-10-12 16:24:10,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:10,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 16:24:10,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:10,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-12 16:24:10,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:10,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:10,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:10,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:10,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:10,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:10,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:10,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:10,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:10,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:10,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:10,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:10,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:10,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:10,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:10,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:10,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:10,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:10,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:10,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:10,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:10,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:10,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:10,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:10,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:10,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:10,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:10,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:10,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:10,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:10,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:10,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:10,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:10,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:10,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:10,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:10,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:10,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:10,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:10,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:10,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:10,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:10,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:10,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:10,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:10,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:10,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:10,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:24:10,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:10,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:10,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:10,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:10,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:10,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:10,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:24:10,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:10,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:10,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:10,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:10,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:10,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:10,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:10,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 1 proven. 133 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-12 16:24:10,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708666809] [2020-10-12 16:24:10,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:10,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 16:24:10,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883436186] [2020-10-12 16:24:10,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 16:24:10,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:10,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 16:24:10,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-12 16:24:10,351 INFO L87 Difference]: Start difference. First operand 152 states and 223 transitions. Second operand 14 states. [2020-10-12 16:24:11,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:11,346 INFO L93 Difference]: Finished difference Result 225 states and 325 transitions. [2020-10-12 16:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 16:24:11,346 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 83 [2020-10-12 16:24:11,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:11,349 INFO L225 Difference]: With dead ends: 225 [2020-10-12 16:24:11,349 INFO L226 Difference]: Without dead ends: 220 [2020-10-12 16:24:11,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-10-12 16:24:11,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-10-12 16:24:11,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 169. [2020-10-12 16:24:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-12 16:24:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 250 transitions. [2020-10-12 16:24:11,371 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 250 transitions. Word has length 83 [2020-10-12 16:24:11,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:11,372 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 250 transitions. [2020-10-12 16:24:11,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 16:24:11,372 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 250 transitions. [2020-10-12 16:24:11,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 16:24:11,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:11,377 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:11,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 16:24:11,378 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:11,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:11,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1263090728, now seen corresponding path program 8 times [2020-10-12 16:24:11,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:11,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141073376] [2020-10-12 16:24:11,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:11,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:11,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:13,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:13,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 16:24:13,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2038 [2020-10-12 16:24:13,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:24:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 16:24:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:13,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:13,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:13,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:13,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:13,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:13,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:13,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:13,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:13,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:13,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:13,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:13,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:13,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:13,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:13,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:13,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:13,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:13,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:13,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:13,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:13,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:13,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:13,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:13,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:13,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:13,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:13,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:13,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:13,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:13,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:13,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:13,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:13,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:13,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:13,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:13,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:13,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:13,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:13,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:13,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:13,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:13,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:13,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:13,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:13,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:13,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:13,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:13,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:13,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:13,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:13,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:13,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:13,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:13,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:13,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:13,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:13,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:13,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:13,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:13,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:13,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:13,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:13,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:13,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:13,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:13,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:13,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:13,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:24:13,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:13,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:13,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:13,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:13,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 1 proven. 176 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-12 16:24:13,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141073376] [2020-10-12 16:24:13,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:13,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 16:24:13,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001625294] [2020-10-12 16:24:13,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 16:24:13,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:13,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 16:24:13,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-12 16:24:13,714 INFO L87 Difference]: Start difference. First operand 169 states and 250 transitions. Second operand 15 states. [2020-10-12 16:24:14,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:14,760 INFO L93 Difference]: Finished difference Result 246 states and 357 transitions. [2020-10-12 16:24:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 16:24:14,761 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 92 [2020-10-12 16:24:14,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:14,763 INFO L225 Difference]: With dead ends: 246 [2020-10-12 16:24:14,764 INFO L226 Difference]: Without dead ends: 241 [2020-10-12 16:24:14,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-12 16:24:14,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-10-12 16:24:14,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 186. [2020-10-12 16:24:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-12 16:24:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 277 transitions. [2020-10-12 16:24:14,777 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 277 transitions. Word has length 92 [2020-10-12 16:24:14,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:14,777 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 277 transitions. [2020-10-12 16:24:14,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 16:24:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 277 transitions. [2020-10-12 16:24:14,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-12 16:24:14,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:14,780 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:14,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 16:24:14,780 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:14,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:14,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1161788350, now seen corresponding path program 9 times [2020-10-12 16:24:14,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:14,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617396647] [2020-10-12 16:24:14,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:14,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:14,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:14,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:16,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:16,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 16:24:16,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:16,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1945 [2020-10-12 16:24:16,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 16:24:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-12 16:24:16,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:16,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:16,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:16,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:16,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:16,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:16,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:16,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:16,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:16,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:16,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:16,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:16,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:16,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:16,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:16,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:16,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:16,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:16,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:16,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:16,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:16,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:16,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:16,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:16,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:16,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:16,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:16,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:16,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:16,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:16,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:16,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:16,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:16,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:16,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:16,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:16,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:16,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:16,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:16,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:16,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:16,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:16,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:16,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:16,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:16,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:16,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:16,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:16,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:16,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:16,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:16,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:16,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:16,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:16,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:16,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:16,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:16,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:16,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:17,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:17,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:17,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:17,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:17,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:17,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:17,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:17,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:17,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:17,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:17,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:17,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:17,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:17,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:17,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:17,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:17,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:17,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:17,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:17,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:17,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:17,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:17,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:17,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:17,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:17,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:24:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:17,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:17,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:17,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:17,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:17,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:17,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:17,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:17,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 1 proven. 225 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-12 16:24:17,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617396647] [2020-10-12 16:24:17,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:17,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 16:24:17,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598427061] [2020-10-12 16:24:17,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 16:24:17,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:17,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 16:24:17,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2020-10-12 16:24:17,069 INFO L87 Difference]: Start difference. First operand 186 states and 277 transitions. Second operand 16 states. [2020-10-12 16:24:18,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:18,215 INFO L93 Difference]: Finished difference Result 267 states and 389 transitions. [2020-10-12 16:24:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 16:24:18,216 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 101 [2020-10-12 16:24:18,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:18,218 INFO L225 Difference]: With dead ends: 267 [2020-10-12 16:24:18,218 INFO L226 Difference]: Without dead ends: 262 [2020-10-12 16:24:18,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-10-12 16:24:18,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-10-12 16:24:18,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 203. [2020-10-12 16:24:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-12 16:24:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 304 transitions. [2020-10-12 16:24:18,237 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 304 transitions. Word has length 101 [2020-10-12 16:24:18,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:18,238 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 304 transitions. [2020-10-12 16:24:18,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 16:24:18,238 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 304 transitions. [2020-10-12 16:24:18,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 16:24:18,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:18,242 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:18,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 16:24:18,242 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:18,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:18,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1441293544, now seen corresponding path program 10 times [2020-10-12 16:24:18,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:18,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120438286] [2020-10-12 16:24:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:18,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:18,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:18,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-12 16:24:20,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1915 [2020-10-12 16:24:20,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 16:24:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 16:24:20,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:20,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:20,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:20,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:20,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:20,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:20,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:20,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:20,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:20,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:20,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:20,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:20,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:20,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:20,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:20,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:20,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:20,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:20,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:24:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:20,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:20,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:24:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:20,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:20,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:20,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:20,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:20,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:20,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:20,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 1 proven. 280 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-10-12 16:24:20,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120438286] [2020-10-12 16:24:20,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:20,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 16:24:20,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845696816] [2020-10-12 16:24:20,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 16:24:20,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:20,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 16:24:20,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-12 16:24:20,537 INFO L87 Difference]: Start difference. First operand 203 states and 304 transitions. Second operand 17 states. [2020-10-12 16:24:21,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:21,844 INFO L93 Difference]: Finished difference Result 288 states and 421 transitions. [2020-10-12 16:24:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 16:24:21,845 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 110 [2020-10-12 16:24:21,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:21,848 INFO L225 Difference]: With dead ends: 288 [2020-10-12 16:24:21,848 INFO L226 Difference]: Without dead ends: 283 [2020-10-12 16:24:21,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:24:21,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-12 16:24:21,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 220. [2020-10-12 16:24:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-12 16:24:21,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-10-12 16:24:21,862 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 110 [2020-10-12 16:24:21,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:21,863 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-10-12 16:24:21,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 16:24:21,863 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-10-12 16:24:21,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-12 16:24:21,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:21,865 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:21,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 16:24:21,866 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:21,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:21,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1849830142, now seen corresponding path program 11 times [2020-10-12 16:24:21,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:21,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573284100] [2020-10-12 16:24:21,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:21,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:21,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:22,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-12 16:24:24,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:24,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2329 [2020-10-12 16:24:24,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:24:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 16:24:24,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:24,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:24,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:24,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:24,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:24,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:24,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:24,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:24,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:24,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:24,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:24,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:24,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:24,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:24,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:24,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:24,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:24,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:24,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:24,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:24:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:24,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:24,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:24:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:24,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:24,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:24:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:24,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:24,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:24,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:24,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:24,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:24:24,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:24:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 1 proven. 341 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-10-12 16:24:24,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573284100] [2020-10-12 16:24:24,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:24,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 16:24:24,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174347476] [2020-10-12 16:24:24,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 16:24:24,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:24,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 16:24:24,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2020-10-12 16:24:24,680 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 18 states. [2020-10-12 16:24:26,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:26,303 INFO L93 Difference]: Finished difference Result 309 states and 453 transitions. [2020-10-12 16:24:26,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 16:24:26,304 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 119 [2020-10-12 16:24:26,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:26,307 INFO L225 Difference]: With dead ends: 309 [2020-10-12 16:24:26,307 INFO L226 Difference]: Without dead ends: 304 [2020-10-12 16:24:26,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:24:26,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-12 16:24:26,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 237. [2020-10-12 16:24:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-10-12 16:24:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 358 transitions. [2020-10-12 16:24:26,322 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 358 transitions. Word has length 119 [2020-10-12 16:24:26,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:26,322 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 358 transitions. [2020-10-12 16:24:26,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 16:24:26,322 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 358 transitions. [2020-10-12 16:24:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-12 16:24:26,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:26,325 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:26,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 16:24:26,325 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:26,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:26,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1977015720, now seen corresponding path program 12 times [2020-10-12 16:24:26,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:26,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1569904549] [2020-10-12 16:24:26,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:26,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:26,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:26,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-12 16:24:28,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:28,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1827 [2020-10-12 16:24:28,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 16:24:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 16:24:28,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:28,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:28,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:24:28,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:28,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:28,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:28,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:28,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:28,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:28,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:28,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:24:28,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:24:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:24:28,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:24:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:28,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:24:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:28,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:24:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:28,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:28,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:28,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:28,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:28,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 1 proven. 408 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2020-10-12 16:24:28,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1569904549] [2020-10-12 16:24:28,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:28,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 16:24:28,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927157686] [2020-10-12 16:24:28,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 16:24:28,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:28,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 16:24:28,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-12 16:24:28,587 INFO L87 Difference]: Start difference. First operand 237 states and 358 transitions. Second operand 19 states. [2020-10-12 16:24:30,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:30,256 INFO L93 Difference]: Finished difference Result 330 states and 485 transitions. [2020-10-12 16:24:30,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 16:24:30,257 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 128 [2020-10-12 16:24:30,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:30,259 INFO L225 Difference]: With dead ends: 330 [2020-10-12 16:24:30,260 INFO L226 Difference]: Without dead ends: 325 [2020-10-12 16:24:30,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2020-10-12 16:24:30,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-10-12 16:24:30,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 254. [2020-10-12 16:24:30,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-10-12 16:24:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 385 transitions. [2020-10-12 16:24:30,275 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 385 transitions. Word has length 128 [2020-10-12 16:24:30,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:30,276 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 385 transitions. [2020-10-12 16:24:30,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 16:24:30,276 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 385 transitions. [2020-10-12 16:24:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-12 16:24:30,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:30,279 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:30,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 16:24:30,279 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:30,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:30,280 INFO L82 PathProgramCache]: Analyzing trace with hash 30438850, now seen corresponding path program 13 times [2020-10-12 16:24:30,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:30,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810598073] [2020-10-12 16:24:30,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:30,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:30,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:30,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 16:24:32,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:32,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1853 [2020-10-12 16:24:32,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 16:24:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-12 16:24:32,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:32,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:32,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:32,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:32,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:32,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:32,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:32,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:32,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:32,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:24:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:32,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:24:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:32,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:24:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:32,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:24:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:32,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:24:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:32,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:32,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:32,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:32,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:32,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:32,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:32,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:32,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:32,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:32,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 1 proven. 481 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-10-12 16:24:32,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810598073] [2020-10-12 16:24:32,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:32,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 16:24:32,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612550236] [2020-10-12 16:24:32,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:24:32,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:32,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:24:32,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:24:32,563 INFO L87 Difference]: Start difference. First operand 254 states and 385 transitions. Second operand 20 states. [2020-10-12 16:24:34,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:34,466 INFO L93 Difference]: Finished difference Result 351 states and 517 transitions. [2020-10-12 16:24:34,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 16:24:34,466 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 137 [2020-10-12 16:24:34,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:34,470 INFO L225 Difference]: With dead ends: 351 [2020-10-12 16:24:34,470 INFO L226 Difference]: Without dead ends: 346 [2020-10-12 16:24:34,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:24:34,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-10-12 16:24:34,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 271. [2020-10-12 16:24:34,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-12 16:24:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 412 transitions. [2020-10-12 16:24:34,489 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 412 transitions. Word has length 137 [2020-10-12 16:24:34,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:34,489 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 412 transitions. [2020-10-12 16:24:34,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:24:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 412 transitions. [2020-10-12 16:24:34,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-12 16:24:34,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:34,492 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:34,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 16:24:34,493 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:34,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:34,493 INFO L82 PathProgramCache]: Analyzing trace with hash 740252056, now seen corresponding path program 14 times [2020-10-12 16:24:34,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:34,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793591016] [2020-10-12 16:24:34,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:34,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:34,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:34,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-12 16:24:36,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:36,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2055 [2020-10-12 16:24:36,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 16:24:36,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:36,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-12 16:24:36,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:36,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:36,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:36,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:36,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:36,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:36,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:36,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:36,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:36,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:36,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:24:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:36,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:24:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:36,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:24:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:36,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:24:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:36,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:24:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:36,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:24:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:36,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:36,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:36,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:36,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:36,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:36,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:36,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:36,967 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 1 proven. 560 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-10-12 16:24:36,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793591016] [2020-10-12 16:24:36,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:36,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 16:24:36,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465078176] [2020-10-12 16:24:36,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 16:24:36,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:36,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 16:24:36,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:24:36,969 INFO L87 Difference]: Start difference. First operand 271 states and 412 transitions. Second operand 21 states. [2020-10-12 16:24:38,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:38,967 INFO L93 Difference]: Finished difference Result 372 states and 549 transitions. [2020-10-12 16:24:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 16:24:38,968 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 146 [2020-10-12 16:24:38,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:38,971 INFO L225 Difference]: With dead ends: 372 [2020-10-12 16:24:38,971 INFO L226 Difference]: Without dead ends: 367 [2020-10-12 16:24:38,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2020-10-12 16:24:38,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-10-12 16:24:38,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 288. [2020-10-12 16:24:38,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-10-12 16:24:38,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 439 transitions. [2020-10-12 16:24:38,991 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 439 transitions. Word has length 146 [2020-10-12 16:24:38,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:38,991 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 439 transitions. [2020-10-12 16:24:38,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 16:24:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 439 transitions. [2020-10-12 16:24:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-12 16:24:38,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:38,994 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:38,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 16:24:38,995 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:38,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:38,995 INFO L82 PathProgramCache]: Analyzing trace with hash 239363714, now seen corresponding path program 15 times [2020-10-12 16:24:38,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:38,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116813945] [2020-10-12 16:24:38,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:39,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:39,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:39,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 16:24:41,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:41,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2234 [2020-10-12 16:24:41,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 16:24:41,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:41,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-12 16:24:41,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:41,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:41,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:41,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:41,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:41,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:41,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:41,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:41,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:41,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:41,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:41,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:24:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:41,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:24:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:41,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:24:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:41,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:24:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:24:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:41,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:24:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:41,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:24:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:41,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:41,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:41,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:41,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:41,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:41,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:41,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 1 proven. 645 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2020-10-12 16:24:41,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116813945] [2020-10-12 16:24:41,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:41,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 16:24:41,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789966706] [2020-10-12 16:24:41,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 16:24:41,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:41,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 16:24:41,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2020-10-12 16:24:41,702 INFO L87 Difference]: Start difference. First operand 288 states and 439 transitions. Second operand 22 states. [2020-10-12 16:24:43,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:43,899 INFO L93 Difference]: Finished difference Result 393 states and 581 transitions. [2020-10-12 16:24:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 16:24:43,900 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 155 [2020-10-12 16:24:43,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:43,904 INFO L225 Difference]: With dead ends: 393 [2020-10-12 16:24:43,905 INFO L226 Difference]: Without dead ends: 388 [2020-10-12 16:24:43,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:24:43,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-12 16:24:43,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 305. [2020-10-12 16:24:43,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-10-12 16:24:43,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 466 transitions. [2020-10-12 16:24:43,924 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 466 transitions. Word has length 155 [2020-10-12 16:24:43,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:43,928 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 466 transitions. [2020-10-12 16:24:43,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 16:24:43,929 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 466 transitions. [2020-10-12 16:24:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-12 16:24:43,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:43,935 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:43,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 16:24:43,935 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:43,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:43,936 INFO L82 PathProgramCache]: Analyzing trace with hash -2110897960, now seen corresponding path program 16 times [2020-10-12 16:24:43,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:43,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385332440] [2020-10-12 16:24:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:43,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:44,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:44,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-12 16:24:46,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:46,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2477 [2020-10-12 16:24:46,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 16:24:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-12 16:24:46,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:46,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:46,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:24:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:46,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:24:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:46,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:24:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:46,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:24:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:46,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:24:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:24:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:24:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:24:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:46,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:46,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:46,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:46,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:46,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:46,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 1 proven. 736 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2020-10-12 16:24:46,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385332440] [2020-10-12 16:24:46,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:46,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 16:24:46,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774907064] [2020-10-12 16:24:46,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:24:46,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:46,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:24:46,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:24:46,929 INFO L87 Difference]: Start difference. First operand 305 states and 466 transitions. Second operand 23 states. [2020-10-12 16:24:49,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:49,385 INFO L93 Difference]: Finished difference Result 414 states and 613 transitions. [2020-10-12 16:24:49,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 16:24:49,386 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 164 [2020-10-12 16:24:49,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:49,390 INFO L225 Difference]: With dead ends: 414 [2020-10-12 16:24:49,390 INFO L226 Difference]: Without dead ends: 409 [2020-10-12 16:24:49,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-10-12 16:24:49,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-10-12 16:24:49,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 322. [2020-10-12 16:24:49,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-10-12 16:24:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 493 transitions. [2020-10-12 16:24:49,410 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 493 transitions. Word has length 164 [2020-10-12 16:24:49,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:49,411 INFO L479 AbstractCegarLoop]: Abstraction has 322 states and 493 transitions. [2020-10-12 16:24:49,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 16:24:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 493 transitions. [2020-10-12 16:24:49,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 16:24:49,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:49,415 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:49,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 16:24:49,415 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:49,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:49,416 INFO L82 PathProgramCache]: Analyzing trace with hash -10115262, now seen corresponding path program 17 times [2020-10-12 16:24:49,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:49,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341128698] [2020-10-12 16:24:49,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:49,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:49,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:49,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-12 16:24:52,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:52,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2719 [2020-10-12 16:24:52,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 16:24:52,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:52,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 16:24:52,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:52,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:52,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:52,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:52,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:52,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:24:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:24:52,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:24:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:24:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:24:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:52,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:24:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:24:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:24:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:24:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:24:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:52,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:52,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:52,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:52,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:52,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 1 proven. 833 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2020-10-12 16:24:52,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341128698] [2020-10-12 16:24:52,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:52,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 16:24:52,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043276870] [2020-10-12 16:24:52,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 16:24:52,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:52,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 16:24:52,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2020-10-12 16:24:52,679 INFO L87 Difference]: Start difference. First operand 322 states and 493 transitions. Second operand 24 states. [2020-10-12 16:24:55,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:24:55,300 INFO L93 Difference]: Finished difference Result 435 states and 645 transitions. [2020-10-12 16:24:55,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 16:24:55,301 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 173 [2020-10-12 16:24:55,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:24:55,305 INFO L225 Difference]: With dead ends: 435 [2020-10-12 16:24:55,305 INFO L226 Difference]: Without dead ends: 430 [2020-10-12 16:24:55,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2020-10-12 16:24:55,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-12 16:24:55,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 339. [2020-10-12 16:24:55,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-10-12 16:24:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 520 transitions. [2020-10-12 16:24:55,326 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 520 transitions. Word has length 173 [2020-10-12 16:24:55,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:24:55,326 INFO L479 AbstractCegarLoop]: Abstraction has 339 states and 520 transitions. [2020-10-12 16:24:55,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 16:24:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 520 transitions. [2020-10-12 16:24:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-12 16:24:55,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:24:55,329 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:24:55,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 16:24:55,330 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:24:55,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:24:55,330 INFO L82 PathProgramCache]: Analyzing trace with hash -645277672, now seen corresponding path program 18 times [2020-10-12 16:24:55,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:24:55,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375410883] [2020-10-12 16:24:55,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:24:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:55,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:55,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:55,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-12 16:24:58,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:24:58,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3020 [2020-10-12 16:24:58,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 16:24:58,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:24:58,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-12 16:24:58,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:24:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:58,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:24:58,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:24:58,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:24:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:58,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:24:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:58,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:24:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:58,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:24:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:58,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:24:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:58,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:24:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:58,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:24:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:58,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:24:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:58,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:24:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:58,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:24:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:58,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:24:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:24:58,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:24:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:58,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:24:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:58,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:24:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:58,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:24:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:58,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:24:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:58,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:24:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:58,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:24:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:24:58,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:24:58,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:24:58,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:24:58,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:24:58,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:24:58,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:24:58,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:24:58,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:24:58,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:24:58,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:24:58,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1397 backedges. 1 proven. 936 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2020-10-12 16:24:58,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375410883] [2020-10-12 16:24:58,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:24:58,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 16:24:58,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425378316] [2020-10-12 16:24:58,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 16:24:58,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:24:58,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 16:24:58,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:24:58,950 INFO L87 Difference]: Start difference. First operand 339 states and 520 transitions. Second operand 25 states. [2020-10-12 16:25:01,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:25:01,759 INFO L93 Difference]: Finished difference Result 456 states and 677 transitions. [2020-10-12 16:25:01,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 16:25:01,760 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 182 [2020-10-12 16:25:01,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:25:01,764 INFO L225 Difference]: With dead ends: 456 [2020-10-12 16:25:01,764 INFO L226 Difference]: Without dead ends: 451 [2020-10-12 16:25:01,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2020-10-12 16:25:01,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-10-12 16:25:01,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 356. [2020-10-12 16:25:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-10-12 16:25:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 547 transitions. [2020-10-12 16:25:01,785 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 547 transitions. Word has length 182 [2020-10-12 16:25:01,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:25:01,786 INFO L479 AbstractCegarLoop]: Abstraction has 356 states and 547 transitions. [2020-10-12 16:25:01,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 16:25:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 547 transitions. [2020-10-12 16:25:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-12 16:25:01,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:25:01,789 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:25:01,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 16:25:01,790 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:25:01,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:25:01,790 INFO L82 PathProgramCache]: Analyzing trace with hash 578828290, now seen corresponding path program 19 times [2020-10-12 16:25:01,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:25:01,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888108992] [2020-10-12 16:25:01,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:25:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:01,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:01,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:01,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:05,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:05,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 16:25:05,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:25:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3993 [2020-10-12 16:25:05,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 16:25:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:25:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-12 16:25:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:06,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:25:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:25:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:25:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:25:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:06,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:25:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 16:25:06,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:25:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:25:06,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:25:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:25:06,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:25:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:25:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:25:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:25:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:25:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:25:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:25:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:25:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:06,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:25:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:06,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:25:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:25:06,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:25:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:25:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:25:06,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:25:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:25:06,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:25:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:25:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:06,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:06,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:06,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:06,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:06,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:06,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:06,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:06,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 1 proven. 1045 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2020-10-12 16:25:06,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888108992] [2020-10-12 16:25:06,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:25:06,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-12 16:25:06,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975880212] [2020-10-12 16:25:06,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-12 16:25:06,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:25:06,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-12 16:25:06,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2020-10-12 16:25:06,676 INFO L87 Difference]: Start difference. First operand 356 states and 547 transitions. Second operand 26 states. [2020-10-12 16:25:10,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:25:10,010 INFO L93 Difference]: Finished difference Result 477 states and 709 transitions. [2020-10-12 16:25:10,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 16:25:10,010 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 191 [2020-10-12 16:25:10,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:25:10,014 INFO L225 Difference]: With dead ends: 477 [2020-10-12 16:25:10,014 INFO L226 Difference]: Without dead ends: 472 [2020-10-12 16:25:10,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:25:10,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-10-12 16:25:10,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 373. [2020-10-12 16:25:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-10-12 16:25:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 574 transitions. [2020-10-12 16:25:10,035 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 574 transitions. Word has length 191 [2020-10-12 16:25:10,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:25:10,036 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 574 transitions. [2020-10-12 16:25:10,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-12 16:25:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 574 transitions. [2020-10-12 16:25:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-12 16:25:10,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:25:10,038 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:25:10,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 16:25:10,039 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:25:10,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:25:10,039 INFO L82 PathProgramCache]: Analyzing trace with hash 442900312, now seen corresponding path program 20 times [2020-10-12 16:25:10,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:25:10,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000935959] [2020-10-12 16:25:10,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:25:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:10,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:10,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:10,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-12 16:25:14,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:25:14,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4098 [2020-10-12 16:25:14,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 16:25:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:25:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 229 [2020-10-12 16:25:14,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:14,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:25:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:14,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:25:14,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:25:14,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:14,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:25:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:14,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:14,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:25:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:14,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:14,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:25:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:14,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:14,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:25:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:25:14,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:14,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:25:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:14,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:14,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:25:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:25:14,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:14,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:25:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:25:14,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:14,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:25:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:14,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:14,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:25:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:14,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:14,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:25:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:14,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:14,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:25:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:25:14,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:14,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:14,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:25:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:14,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:14,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:14,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:14,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:14,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:14,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:14,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:14,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:25:15,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:25:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:15,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:15,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:15,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:15,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:15,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:15,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:15,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:15,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:15,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:25:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:15,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:15,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:15,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:15,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:15,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:25:15,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:15,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:15,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:25:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:15,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:15,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:15,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:15,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:15,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:15,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:15,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:15,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:15,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:15,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:25:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:15,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:15,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:15,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:15,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:15,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:15,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:15,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:15,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:15,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:25:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:15,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:15,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:15,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:15,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:15,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:25:15,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:15,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:15,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:15,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:25:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:15,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:15,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:15,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:15,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:15,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:15,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:15,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:15,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:15,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:25:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:15,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:15,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:15,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:15,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:15,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:25:15,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:15,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:15,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:25:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:15,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:15,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:15,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:15,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:15,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:15,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:15,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:15,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:15,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:15,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 1 proven. 1160 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2020-10-12 16:25:15,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1000935959] [2020-10-12 16:25:15,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:25:15,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-12 16:25:15,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276071594] [2020-10-12 16:25:15,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 16:25:15,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:25:15,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 16:25:15,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-12 16:25:15,219 INFO L87 Difference]: Start difference. First operand 373 states and 574 transitions. Second operand 27 states. [2020-10-12 16:25:18,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:25:18,629 INFO L93 Difference]: Finished difference Result 498 states and 741 transitions. [2020-10-12 16:25:18,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-12 16:25:18,632 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 200 [2020-10-12 16:25:18,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:25:18,636 INFO L225 Difference]: With dead ends: 498 [2020-10-12 16:25:18,636 INFO L226 Difference]: Without dead ends: 493 [2020-10-12 16:25:18,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=801, Unknown=0, NotChecked=0, Total=870 [2020-10-12 16:25:18,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-10-12 16:25:18,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 390. [2020-10-12 16:25:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-10-12 16:25:18,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 601 transitions. [2020-10-12 16:25:18,662 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 601 transitions. Word has length 200 [2020-10-12 16:25:18,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:25:18,663 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 601 transitions. [2020-10-12 16:25:18,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 16:25:18,663 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 601 transitions. [2020-10-12 16:25:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-12 16:25:18,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:25:18,666 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:25:18,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 16:25:18,666 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:25:18,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:25:18,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1981802302, now seen corresponding path program 21 times [2020-10-12 16:25:18,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:25:18,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398247022] [2020-10-12 16:25:18,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:25:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:18,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:18,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:19,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:22,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:22,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-12 16:25:22,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:25:22,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4276 [2020-10-12 16:25:22,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:22,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 16:25:22,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:25:22,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-10-12 16:25:22,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:25:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:25:23,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:25:23,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:25:23,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:25:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:23,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:25:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:25:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:23,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:25:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:23,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:25:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:23,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:25:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:25:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:25:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:25:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:25:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:25:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:25:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:25:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:25:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:25:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:23,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:25:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:25:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:25:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:23,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:25:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:23,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:25:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:23,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:25:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:23,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:23,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:23,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:23,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:23,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:23,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:23,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 1 proven. 1281 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2020-10-12 16:25:23,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398247022] [2020-10-12 16:25:23,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:25:23,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 16:25:23,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806756095] [2020-10-12 16:25:23,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 16:25:23,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:25:23,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 16:25:23,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2020-10-12 16:25:23,813 INFO L87 Difference]: Start difference. First operand 390 states and 601 transitions. Second operand 28 states. [2020-10-12 16:25:27,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:25:27,423 INFO L93 Difference]: Finished difference Result 519 states and 773 transitions. [2020-10-12 16:25:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 16:25:27,424 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 209 [2020-10-12 16:25:27,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:25:27,431 INFO L225 Difference]: With dead ends: 519 [2020-10-12 16:25:27,431 INFO L226 Difference]: Without dead ends: 514 [2020-10-12 16:25:27,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=859, Unknown=0, NotChecked=0, Total=930 [2020-10-12 16:25:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-10-12 16:25:27,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 407. [2020-10-12 16:25:27,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-10-12 16:25:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 628 transitions. [2020-10-12 16:25:27,452 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 628 transitions. Word has length 209 [2020-10-12 16:25:27,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:25:27,454 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 628 transitions. [2020-10-12 16:25:27,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 16:25:27,454 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 628 transitions. [2020-10-12 16:25:27,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 16:25:27,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:25:27,458 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:25:27,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 16:25:27,459 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:25:27,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:25:27,459 INFO L82 PathProgramCache]: Analyzing trace with hash 133633688, now seen corresponding path program 22 times [2020-10-12 16:25:27,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:25:27,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931819463] [2020-10-12 16:25:27,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:25:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:27,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:27,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:27,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:31,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:31,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 16:25:31,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:25:31,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4468 [2020-10-12 16:25:31,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:31,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 16:25:31,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:25:31,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-12 16:25:31,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:25:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:25:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:25:32,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:25:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:25:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:25:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:25:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:32,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:25:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:25:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:25:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:25:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:25:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:25:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:25:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:32,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:25:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:25:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:25:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:25:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:25:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:25:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:25:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:32,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:25:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:32,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:25:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:32,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:25:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:32,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:25:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:32,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:32,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:32,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:32,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:32,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:32,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:32,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:32,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:32,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:32,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:32,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2103 backedges. 1 proven. 1408 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2020-10-12 16:25:32,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931819463] [2020-10-12 16:25:32,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:25:32,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 16:25:32,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045164054] [2020-10-12 16:25:32,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 16:25:32,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:25:32,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 16:25:32,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:25:32,709 INFO L87 Difference]: Start difference. First operand 407 states and 628 transitions. Second operand 29 states. [2020-10-12 16:25:36,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:25:36,785 INFO L93 Difference]: Finished difference Result 540 states and 805 transitions. [2020-10-12 16:25:36,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 16:25:36,785 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 218 [2020-10-12 16:25:36,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:25:36,789 INFO L225 Difference]: With dead ends: 540 [2020-10-12 16:25:36,789 INFO L226 Difference]: Without dead ends: 535 [2020-10-12 16:25:36,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=919, Unknown=0, NotChecked=0, Total=992 [2020-10-12 16:25:36,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-10-12 16:25:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 424. [2020-10-12 16:25:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-12 16:25:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 655 transitions. [2020-10-12 16:25:36,814 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 655 transitions. Word has length 218 [2020-10-12 16:25:36,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:25:36,815 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 655 transitions. [2020-10-12 16:25:36,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 16:25:36,815 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 655 transitions. [2020-10-12 16:25:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-12 16:25:36,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:25:36,819 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:25:36,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 16:25:36,822 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:25:36,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:25:36,823 INFO L82 PathProgramCache]: Analyzing trace with hash -858699390, now seen corresponding path program 23 times [2020-10-12 16:25:36,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:25:36,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580811837] [2020-10-12 16:25:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:25:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:36,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:37,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:37,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:41,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:41,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-12 16:25:41,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:25:41,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 16:25:41,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:41,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 16:25:41,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:25:41,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 262 [2020-10-12 16:25:41,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:25:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:25:42,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:25:42,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:25:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:42,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:25:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:25:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:25:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:25:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:42,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:25:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:25:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:25:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:25:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:25:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:42,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:25:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:25:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:42,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:25:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:25:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:25:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:25:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:25:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:25:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:25:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:25:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:25:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:25:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:25:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:42,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:42,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:42,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:42,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:42,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:42,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:42,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2302 backedges. 1 proven. 1541 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-12 16:25:42,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580811837] [2020-10-12 16:25:42,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:25:42,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 16:25:42,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306666640] [2020-10-12 16:25:42,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 16:25:42,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:25:42,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 16:25:42,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2020-10-12 16:25:42,661 INFO L87 Difference]: Start difference. First operand 424 states and 655 transitions. Second operand 30 states. [2020-10-12 16:25:46,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:25:46,825 INFO L93 Difference]: Finished difference Result 561 states and 837 transitions. [2020-10-12 16:25:46,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 16:25:46,826 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 227 [2020-10-12 16:25:46,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:25:46,830 INFO L225 Difference]: With dead ends: 561 [2020-10-12 16:25:46,831 INFO L226 Difference]: Without dead ends: 556 [2020-10-12 16:25:46,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=981, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 16:25:46,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2020-10-12 16:25:46,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 441. [2020-10-12 16:25:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-12 16:25:46,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 682 transitions. [2020-10-12 16:25:46,855 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 682 transitions. Word has length 227 [2020-10-12 16:25:46,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:25:46,856 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 682 transitions. [2020-10-12 16:25:46,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-12 16:25:46,856 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 682 transitions. [2020-10-12 16:25:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-12 16:25:46,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:25:46,859 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:25:46,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 16:25:46,859 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:25:46,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:25:46,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2140095016, now seen corresponding path program 24 times [2020-10-12 16:25:46,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:25:46,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865023368] [2020-10-12 16:25:46,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:25:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:46,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:46,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:47,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:51,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:51,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-12 16:25:51,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:25:51,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 16:25:51,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:51,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-12 16:25:51,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:25:51,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 273 [2020-10-12 16:25:51,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:25:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:52,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:25:52,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:25:52,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:25:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:52,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:25:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:52,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:25:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:25:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:25:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:25:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:25:52,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:25:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:25:52,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:25:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:52,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:25:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:25:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:25:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:25:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:25:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:52,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:52,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:25:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:25:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:52,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:25:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:25:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:52,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:52,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:25:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:25:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:25:52,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:25:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:25:52,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:25:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:25:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:25:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:25:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:52,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:52,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:25:52,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:25:52,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:25:52,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:25:52,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:25:52,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:25:52,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:25:52,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:25:52,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:25:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2510 backedges. 1 proven. 1680 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2020-10-12 16:25:52,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865023368] [2020-10-12 16:25:52,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:25:52,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 16:25:52,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988634296] [2020-10-12 16:25:52,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 16:25:52,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:25:52,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 16:25:52,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-12 16:25:52,792 INFO L87 Difference]: Start difference. First operand 441 states and 682 transitions. Second operand 31 states. [2020-10-12 16:25:57,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:25:57,242 INFO L93 Difference]: Finished difference Result 582 states and 869 transitions. [2020-10-12 16:25:57,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 16:25:57,243 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 236 [2020-10-12 16:25:57,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:25:57,248 INFO L225 Difference]: With dead ends: 582 [2020-10-12 16:25:57,248 INFO L226 Difference]: Without dead ends: 577 [2020-10-12 16:25:57,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=1045, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 16:25:57,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-10-12 16:25:57,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 458. [2020-10-12 16:25:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-12 16:25:57,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 709 transitions. [2020-10-12 16:25:57,272 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 709 transitions. Word has length 236 [2020-10-12 16:25:57,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:25:57,273 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 709 transitions. [2020-10-12 16:25:57,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 16:25:57,273 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 709 transitions. [2020-10-12 16:25:57,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-12 16:25:57,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:25:57,276 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:25:57,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 16:25:57,277 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:25:57,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:25:57,277 INFO L82 PathProgramCache]: Analyzing trace with hash -945829310, now seen corresponding path program 25 times [2020-10-12 16:25:57,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:25:57,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365891353] [2020-10-12 16:25:57,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:25:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:25:57,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:57,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:25:57,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:02,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:02,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-12 16:26:02,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:26:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 16:26:02,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 16:26:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:26:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 284 [2020-10-12 16:26:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:02,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:26:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:02,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:02,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:02,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:02,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:02,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:02,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:26:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:26:02,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:26:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:03,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:26:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:26:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:26:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:26:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:03,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:26:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:26:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:26:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:26:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:26:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:26:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:26:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:26:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:03,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:26:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:26:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:03,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:26:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:26:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:26:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:26:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:26:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:26:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:26:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:26:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:03,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:26:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:03,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:26:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:03,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:03,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:03,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:03,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:03,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:03,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:03,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:03,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:03,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:03,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2727 backedges. 1 proven. 1825 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2020-10-12 16:26:03,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365891353] [2020-10-12 16:26:03,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:26:03,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-12 16:26:03,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799595232] [2020-10-12 16:26:03,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 16:26:03,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:26:03,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 16:26:03,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2020-10-12 16:26:03,234 INFO L87 Difference]: Start difference. First operand 458 states and 709 transitions. Second operand 32 states. [2020-10-12 16:26:07,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:26:07,981 INFO L93 Difference]: Finished difference Result 603 states and 901 transitions. [2020-10-12 16:26:07,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 16:26:07,981 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 245 [2020-10-12 16:26:07,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:26:07,986 INFO L225 Difference]: With dead ends: 603 [2020-10-12 16:26:07,986 INFO L226 Difference]: Without dead ends: 598 [2020-10-12 16:26:07,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=79, Invalid=1111, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 16:26:07,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-12 16:26:08,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 475. [2020-10-12 16:26:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-12 16:26:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 736 transitions. [2020-10-12 16:26:08,012 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 736 transitions. Word has length 245 [2020-10-12 16:26:08,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:26:08,013 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 736 transitions. [2020-10-12 16:26:08,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-12 16:26:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 736 transitions. [2020-10-12 16:26:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-12 16:26:08,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:26:08,017 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:26:08,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-12 16:26:08,018 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:26:08,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:26:08,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1123609320, now seen corresponding path program 26 times [2020-10-12 16:26:08,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:26:08,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171878065] [2020-10-12 16:26:08,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:26:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:08,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:08,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:08,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 314 [2020-10-12 16:26:13,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:26:13,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 16:26:13,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-12 16:26:13,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:26:13,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 295 [2020-10-12 16:26:13,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:26:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:26:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:26:13,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:26:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:26:13,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:26:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:13,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:26:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:26:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:26:13,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:26:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:26:13,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:26:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:26:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:13,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:26:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:26:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:13,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:26:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:26:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:26:13,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:26:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:13,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:26:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:13,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:26:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:26:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:26:13,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:26:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:26:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:26:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:26:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:26:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:26:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:26:13,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:26:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:26:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:26:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:26:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:13,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:13,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:13,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:13,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:13,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:13,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:13,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:13,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 16:26:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:14,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:14,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:14,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:14,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:14,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:14,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:14,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:14,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:14,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:14,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2953 backedges. 1 proven. 1976 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2020-10-12 16:26:14,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171878065] [2020-10-12 16:26:14,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:26:14,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-12 16:26:14,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305730278] [2020-10-12 16:26:14,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-12 16:26:14,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:26:14,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-12 16:26:14,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 16:26:14,072 INFO L87 Difference]: Start difference. First operand 475 states and 736 transitions. Second operand 33 states. [2020-10-12 16:26:19,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:26:19,414 INFO L93 Difference]: Finished difference Result 624 states and 933 transitions. [2020-10-12 16:26:19,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 16:26:19,415 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 254 [2020-10-12 16:26:19,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:26:19,419 INFO L225 Difference]: With dead ends: 624 [2020-10-12 16:26:19,420 INFO L226 Difference]: Without dead ends: 619 [2020-10-12 16:26:19,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=1179, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 16:26:19,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-10-12 16:26:19,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 492. [2020-10-12 16:26:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2020-10-12 16:26:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 763 transitions. [2020-10-12 16:26:19,445 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 763 transitions. Word has length 254 [2020-10-12 16:26:19,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:26:19,445 INFO L479 AbstractCegarLoop]: Abstraction has 492 states and 763 transitions. [2020-10-12 16:26:19,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-12 16:26:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 763 transitions. [2020-10-12 16:26:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-12 16:26:19,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:26:19,449 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:26:19,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-12 16:26:19,450 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:26:19,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:26:19,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1536662274, now seen corresponding path program 27 times [2020-10-12 16:26:19,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:26:19,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010714048] [2020-10-12 16:26:19,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:26:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:19,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:19,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:19,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:24,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:24,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-12 16:26:24,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:26:24,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 16:26:24,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 16:26:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:26:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-12 16:26:24,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:26:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:25,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:26:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:26:25,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:26:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:26:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:26:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:26:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:26:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:26:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:26:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:26:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:26:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:26:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:26:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:26:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:26:25,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:26:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:26:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:26:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:25,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:26:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:25,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:26:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:25,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:26:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:25,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:26:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:26:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:26:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:26:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:26:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:26:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:26:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:25,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 16:26:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:25,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 16:26:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:25,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:25,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:25,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:25,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:25,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:25,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3188 backedges. 1 proven. 2133 refuted. 0 times theorem prover too weak. 1054 trivial. 0 not checked. [2020-10-12 16:26:25,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010714048] [2020-10-12 16:26:25,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:26:25,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-12 16:26:25,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336262987] [2020-10-12 16:26:25,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-12 16:26:25,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:26:25,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-12 16:26:25,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 16:26:25,540 INFO L87 Difference]: Start difference. First operand 492 states and 763 transitions. Second operand 34 states. [2020-10-12 16:26:31,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:26:31,079 INFO L93 Difference]: Finished difference Result 645 states and 965 transitions. [2020-10-12 16:26:31,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 16:26:31,080 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 263 [2020-10-12 16:26:31,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:26:31,084 INFO L225 Difference]: With dead ends: 645 [2020-10-12 16:26:31,084 INFO L226 Difference]: Without dead ends: 640 [2020-10-12 16:26:31,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=1249, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 16:26:31,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-10-12 16:26:31,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 509. [2020-10-12 16:26:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2020-10-12 16:26:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 790 transitions. [2020-10-12 16:26:31,109 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 790 transitions. Word has length 263 [2020-10-12 16:26:31,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:26:31,110 INFO L479 AbstractCegarLoop]: Abstraction has 509 states and 790 transitions. [2020-10-12 16:26:31,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-12 16:26:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 790 transitions. [2020-10-12 16:26:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-12 16:26:31,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:26:31,113 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:26:31,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-12 16:26:31,113 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:26:31,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:26:31,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1846666152, now seen corresponding path program 28 times [2020-10-12 16:26:31,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:26:31,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582149827] [2020-10-12 16:26:31,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:26:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:31,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:31,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:31,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:36,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:36,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-10-12 16:26:36,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:26:36,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 16:26:36,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-12 16:26:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:26:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 317 [2020-10-12 16:26:36,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:36,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:26:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:36,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:36,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:36,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:36,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:36,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:36,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:36,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:26:36,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:36,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:26:36,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:26:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:37,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:26:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:26:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:26:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:26:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:26:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:26:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:26:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:26:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:26:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:26:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:26:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:26:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:26:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:26:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:26:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:26:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:26:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:26:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:26:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:26:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:26:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:26:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:37,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:26:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:37,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:26:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 16:26:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 16:26:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-12 16:26:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:37,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:37,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:37,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:37,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:37,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:37,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:37,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 1 proven. 2296 refuted. 0 times theorem prover too weak. 1135 trivial. 0 not checked. [2020-10-12 16:26:37,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582149827] [2020-10-12 16:26:37,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:26:37,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-12 16:26:37,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491403354] [2020-10-12 16:26:37,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-12 16:26:37,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:26:37,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-12 16:26:37,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 16:26:37,217 INFO L87 Difference]: Start difference. First operand 509 states and 790 transitions. Second operand 35 states. [2020-10-12 16:26:43,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:26:43,181 INFO L93 Difference]: Finished difference Result 666 states and 997 transitions. [2020-10-12 16:26:43,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 16:26:43,182 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 272 [2020-10-12 16:26:43,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:26:43,187 INFO L225 Difference]: With dead ends: 666 [2020-10-12 16:26:43,187 INFO L226 Difference]: Without dead ends: 661 [2020-10-12 16:26:43,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=85, Invalid=1321, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 16:26:43,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2020-10-12 16:26:43,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 526. [2020-10-12 16:26:43,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-12 16:26:43,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 817 transitions. [2020-10-12 16:26:43,213 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 817 transitions. Word has length 272 [2020-10-12 16:26:43,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:26:43,213 INFO L479 AbstractCegarLoop]: Abstraction has 526 states and 817 transitions. [2020-10-12 16:26:43,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-12 16:26:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 817 transitions. [2020-10-12 16:26:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-10-12 16:26:43,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:26:43,217 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:26:43,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-12 16:26:43,217 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:26:43,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:26:43,217 INFO L82 PathProgramCache]: Analyzing trace with hash 788839362, now seen corresponding path program 29 times [2020-10-12 16:26:43,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:26:43,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561165140] [2020-10-12 16:26:43,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:26:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:43,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:43,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:43,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:48,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:48,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-12 16:26:48,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:26:48,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 16:26:48,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 16:26:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:26:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 328 [2020-10-12 16:26:48,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:26:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:26:49,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:26:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:26:49,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:26:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:26:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:26:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:26:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:26:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:26:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:26:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:26:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:26:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:26:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:26:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:26:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:26:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:26:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:26:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:26:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:26:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:26:49,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:26:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:26:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:26:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:26:49,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:26:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:26:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:26:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:26:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:26:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 16:26:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 16:26:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-12 16:26:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 16:26:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:49,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:49,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:26:49,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:26:49,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:26:49,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:26:49,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:26:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:26:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:26:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:26:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:26:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3685 backedges. 1 proven. 2465 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2020-10-12 16:26:49,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561165140] [2020-10-12 16:26:49,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:26:49,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-12 16:26:49,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332836277] [2020-10-12 16:26:49,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-12 16:26:49,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:26:49,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-12 16:26:49,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 16:26:49,466 INFO L87 Difference]: Start difference. First operand 526 states and 817 transitions. Second operand 36 states. [2020-10-12 16:26:55,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:26:55,814 INFO L93 Difference]: Finished difference Result 687 states and 1029 transitions. [2020-10-12 16:26:55,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 16:26:55,815 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 281 [2020-10-12 16:26:55,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:26:55,820 INFO L225 Difference]: With dead ends: 687 [2020-10-12 16:26:55,820 INFO L226 Difference]: Without dead ends: 682 [2020-10-12 16:26:55,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=1395, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 16:26:55,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-10-12 16:26:55,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 543. [2020-10-12 16:26:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-10-12 16:26:55,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 844 transitions. [2020-10-12 16:26:55,852 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 844 transitions. Word has length 281 [2020-10-12 16:26:55,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:26:55,853 INFO L479 AbstractCegarLoop]: Abstraction has 543 states and 844 transitions. [2020-10-12 16:26:55,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-12 16:26:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 844 transitions. [2020-10-12 16:26:55,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-12 16:26:55,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:26:55,858 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:26:55,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-12 16:26:55,859 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:26:55,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:26:55,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1369844840, now seen corresponding path program 30 times [2020-10-12 16:26:55,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:26:55,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734648668] [2020-10-12 16:26:55,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:26:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:26:55,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:56,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:26:56,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:00,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:00,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-10-12 16:27:00,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:27:00,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 16:27:00,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-12 16:27:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:27:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 339 [2020-10-12 16:27:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:27:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:27:01,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:27:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:27:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:27:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:01,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:27:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:27:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:27:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:27:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:01,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:27:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:27:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:27:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:27:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:27:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:27:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:27:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:27:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:01,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:27:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:27:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:27:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:27:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:27:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:27:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:27:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:27:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:27:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:27:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:27:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:27:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 16:27:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 16:27:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-12 16:27:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:01,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 16:27:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:01,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-12 16:27:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:01,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:01,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:01,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:01,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:01,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3947 backedges. 1 proven. 2640 refuted. 0 times theorem prover too weak. 1306 trivial. 0 not checked. [2020-10-12 16:27:02,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734648668] [2020-10-12 16:27:02,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:27:02,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-12 16:27:02,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069212508] [2020-10-12 16:27:02,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-12 16:27:02,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:27:02,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-12 16:27:02,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 16:27:02,069 INFO L87 Difference]: Start difference. First operand 543 states and 844 transitions. Second operand 37 states. [2020-10-12 16:27:08,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:27:08,500 INFO L93 Difference]: Finished difference Result 708 states and 1061 transitions. [2020-10-12 16:27:08,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-12 16:27:08,501 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 290 [2020-10-12 16:27:08,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:27:08,506 INFO L225 Difference]: With dead ends: 708 [2020-10-12 16:27:08,506 INFO L226 Difference]: Without dead ends: 703 [2020-10-12 16:27:08,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=89, Invalid=1471, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 16:27:08,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2020-10-12 16:27:08,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 560. [2020-10-12 16:27:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-12 16:27:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 871 transitions. [2020-10-12 16:27:08,536 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 871 transitions. Word has length 290 [2020-10-12 16:27:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:27:08,536 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 871 transitions. [2020-10-12 16:27:08,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-12 16:27:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 871 transitions. [2020-10-12 16:27:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-12 16:27:08,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:27:08,540 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:27:08,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-12 16:27:08,541 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:27:08,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:27:08,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1832070274, now seen corresponding path program 31 times [2020-10-12 16:27:08,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:27:08,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862407861] [2020-10-12 16:27:08,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:27:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:08,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:08,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:08,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:13,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:13,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-10-12 16:27:13,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:27:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 16:27:13,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 16:27:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:27:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 350 [2020-10-12 16:27:13,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:27:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:27:14,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:27:14,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:27:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:14,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:27:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:27:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:27:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:27:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:27:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:27:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:27:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:27:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:27:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:14,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:27:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:14,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:27:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:14,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:27:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:14,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:27:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:14,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:27:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:27:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:27:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:27:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:27:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:27:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:27:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:27:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:27:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:27:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:27:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 16:27:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 16:27:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-12 16:27:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 16:27:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-12 16:27:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:14,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-10-12 16:27:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:14,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:14,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:14,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:14,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:14,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:14,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:14,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:14,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:14,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:14,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:14,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4218 backedges. 1 proven. 2821 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2020-10-12 16:27:14,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862407861] [2020-10-12 16:27:14,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:27:14,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-12 16:27:14,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137271285] [2020-10-12 16:27:14,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-12 16:27:14,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:27:14,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-12 16:27:14,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 16:27:14,780 INFO L87 Difference]: Start difference. First operand 560 states and 871 transitions. Second operand 38 states. [2020-10-12 16:27:21,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:27:21,800 INFO L93 Difference]: Finished difference Result 729 states and 1093 transitions. [2020-10-12 16:27:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 16:27:21,801 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 299 [2020-10-12 16:27:21,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:27:21,805 INFO L225 Difference]: With dead ends: 729 [2020-10-12 16:27:21,805 INFO L226 Difference]: Without dead ends: 724 [2020-10-12 16:27:21,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=91, Invalid=1549, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 16:27:21,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2020-10-12 16:27:21,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 577. [2020-10-12 16:27:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-10-12 16:27:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 898 transitions. [2020-10-12 16:27:21,834 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 898 transitions. Word has length 299 [2020-10-12 16:27:21,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:27:21,835 INFO L479 AbstractCegarLoop]: Abstraction has 577 states and 898 transitions. [2020-10-12 16:27:21,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-12 16:27:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 898 transitions. [2020-10-12 16:27:21,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-12 16:27:21,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:27:21,839 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:27:21,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-12 16:27:21,839 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:27:21,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:27:21,839 INFO L82 PathProgramCache]: Analyzing trace with hash -595707176, now seen corresponding path program 32 times [2020-10-12 16:27:21,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:27:21,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286049022] [2020-10-12 16:27:21,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:27:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:21,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:22,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:22,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:26,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-12 16:27:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:27:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 16:27:26,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-12 16:27:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:27:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 361 [2020-10-12 16:27:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:27:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:27:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:27:27,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:27:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:27:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:27:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:27:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:27,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:27:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:27:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:27:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:27:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:27:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:27:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:27,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:27:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:27,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:27:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:27,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:27:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:27,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:27:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:27:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:27,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:27,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:27,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:27,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:27,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:27,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:27,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:27:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:27,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:27:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:27:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:27:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:27:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:27:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:27:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:27:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:27:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:27:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 16:27:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 16:27:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-12 16:27:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 16:27:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-12 16:27:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:28,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-10-12 16:27:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-10-12 16:27:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:28,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:28,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:28,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:28,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:28,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4498 backedges. 1 proven. 3008 refuted. 0 times theorem prover too weak. 1489 trivial. 0 not checked. [2020-10-12 16:27:28,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286049022] [2020-10-12 16:27:28,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:27:28,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-12 16:27:28,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749008318] [2020-10-12 16:27:28,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-12 16:27:28,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:27:28,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-12 16:27:28,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 16:27:28,183 INFO L87 Difference]: Start difference. First operand 577 states and 898 transitions. Second operand 39 states. [2020-10-12 16:27:35,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:27:35,618 INFO L93 Difference]: Finished difference Result 750 states and 1125 transitions. [2020-10-12 16:27:35,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-12 16:27:35,619 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 308 [2020-10-12 16:27:35,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:27:35,622 INFO L225 Difference]: With dead ends: 750 [2020-10-12 16:27:35,622 INFO L226 Difference]: Without dead ends: 745 [2020-10-12 16:27:35,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=93, Invalid=1629, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 16:27:35,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-10-12 16:27:35,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 594. [2020-10-12 16:27:35,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-12 16:27:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 925 transitions. [2020-10-12 16:27:35,654 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 925 transitions. Word has length 308 [2020-10-12 16:27:35,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:27:35,655 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 925 transitions. [2020-10-12 16:27:35,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-12 16:27:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 925 transitions. [2020-10-12 16:27:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-10-12 16:27:35,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:27:35,658 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 33, 33, 33, 33, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:27:35,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-12 16:27:35,659 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:27:35,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:27:35,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2039550654, now seen corresponding path program 33 times [2020-10-12 16:27:35,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:27:35,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013589208] [2020-10-12 16:27:35,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:27:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:35,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:35,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:35,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:40,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:40,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 391 [2020-10-12 16:27:40,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:27:40,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 16:27:40,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:40,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 16:27:40,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 16:27:40,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 372 [2020-10-12 16:27:40,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:27:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:27:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:27:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:27:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:41,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:27:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:27:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:27:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:27:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:27:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:27:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:27:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:27:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:27:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:27:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:27:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:27:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:27:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:27:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:27:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:27:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:27:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:27:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:27:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:27:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:27:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:27:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:27:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:27:41,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:27:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:41,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 16:27:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:41,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 16:27:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:41,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-12 16:27:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:41,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 16:27:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:41,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-12 16:27:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:41,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-10-12 16:27:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:27:41,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-10-12 16:27:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:27:41,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:41,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-10-12 16:27:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:27:41,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:27:41,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:27:41,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:27:41,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:27:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:27:41,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:27:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:27:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:27:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:27:41,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:27:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4787 backedges. 1 proven. 3201 refuted. 0 times theorem prover too weak. 1585 trivial. 0 not checked. [2020-10-12 16:27:42,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013589208] [2020-10-12 16:27:42,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:27:42,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-12 16:27:42,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751514734] [2020-10-12 16:27:42,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-12 16:27:42,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:27:42,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-12 16:27:42,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 16:27:42,140 INFO L87 Difference]: Start difference. First operand 594 states and 925 transitions. Second operand 40 states.