/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/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 19:04:53,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 19:04:53,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 19:04:53,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 19:04:53,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 19:04:53,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 19:04:53,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 19:04:53,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 19:04:53,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 19:04:53,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 19:04:53,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 19:04:53,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 19:04:53,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 19:04:53,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 19:04:53,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 19:04:53,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 19:04:53,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 19:04:53,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 19:04:53,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 19:04:53,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 19:04:53,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 19:04:53,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 19:04:53,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 19:04:53,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 19:04:53,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 19:04:53,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 19:04:53,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 19:04:53,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 19:04:53,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 19:04:53,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 19:04:53,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 19:04:53,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 19:04:53,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 19:04:53,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 19:04:53,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 19:04:53,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 19:04:53,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 19:04:53,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 19:04:53,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 19:04:53,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 19:04:53,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 19:04:53,769 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 19:04:53,797 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 19:04:53,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 19:04:53,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 19:04:53,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 19:04:53,799 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 19:04:53,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 19:04:53,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 19:04:53,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 19:04:53,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 19:04:53,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 19:04:53,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 19:04:53,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 19:04:53,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 19:04:53,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 19:04:53,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 19:04:53,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 19:04:53,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 19:04:53,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 19:04:53,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 19:04:53,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 19:04:53,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 19:04:53,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 19:04:53,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 19:04:53,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 19:04:53,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 19:04:53,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 19:04:53,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 19:04:53,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 19:04:53,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 19:04:53,805 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 19:04:54,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 19:04:54,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 19:04:54,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 19:04:54,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 19:04:54,103 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 19:04:54,104 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2020-10-12 19:04:54,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e5c8b5c8/3cfb8b2bc8f54bf19628314069273fc5/FLAGeb04ffc30 [2020-10-12 19:04:54,663 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 19:04:54,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2020-10-12 19:04:54,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e5c8b5c8/3cfb8b2bc8f54bf19628314069273fc5/FLAGeb04ffc30 [2020-10-12 19:04:55,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e5c8b5c8/3cfb8b2bc8f54bf19628314069273fc5 [2020-10-12 19:04:55,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 19:04:55,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 19:04:55,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 19:04:55,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 19:04:55,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 19:04:55,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:04:55" (1/1) ... [2020-10-12 19:04:55,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636d3a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55, skipping insertion in model container [2020-10-12 19:04:55,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:04:55" (1/1) ... [2020-10-12 19:04:55,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 19:04:55,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 19:04:55,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 19:04:55,464 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 19:04:55,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 19:04:55,564 INFO L208 MainTranslator]: Completed translation [2020-10-12 19:04:55,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55 WrapperNode [2020-10-12 19:04:55,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 19:04:55,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 19:04:55,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 19:04:55,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 19:04:55,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55" (1/1) ... [2020-10-12 19:04:55,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55" (1/1) ... [2020-10-12 19:04:55,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55" (1/1) ... [2020-10-12 19:04:55,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55" (1/1) ... [2020-10-12 19:04:55,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55" (1/1) ... [2020-10-12 19:04:55,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55" (1/1) ... [2020-10-12 19:04:55,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55" (1/1) ... [2020-10-12 19:04:55,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 19:04:55,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 19:04:55,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 19:04:55,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 19:04:55,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55" (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 19:04:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 19:04:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 19:04:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 19:04:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-10-12 19:04:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-10-12 19:04:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-10-12 19:04:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-10-12 19:04:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-10-12 19:04:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-10-12 19:04:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-10-12 19:04:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-10-12 19:04:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-12 19:04:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-10-12 19:04:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-10-12 19:04:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-10-12 19:04:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-10-12 19:04:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-10-12 19:04:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-12 19:04:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 19:04:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-12 19:04:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 19:04:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 19:04:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 19:04:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-12 19:04:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-12 19:04:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-12 19:04:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 19:04:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 19:04:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-10-12 19:04:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-10-12 19:04:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-10-12 19:04:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-10-12 19:04:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-10-12 19:04:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-10-12 19:04:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-10-12 19:04:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-10-12 19:04:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-12 19:04:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-10-12 19:04:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-10-12 19:04:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-10-12 19:04:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-10-12 19:04:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-10-12 19:04:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-12 19:04:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 19:04:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 19:04:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 19:04:56,469 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 19:04:56,470 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 19:04:56,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:04:56 BoogieIcfgContainer [2020-10-12 19:04:56,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 19:04:56,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 19:04:56,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 19:04:56,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 19:04:56,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 07:04:55" (1/3) ... [2020-10-12 19:04:56,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266424fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:04:56, skipping insertion in model container [2020-10-12 19:04:56,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:04:55" (2/3) ... [2020-10-12 19:04:56,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266424fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:04:56, skipping insertion in model container [2020-10-12 19:04:56,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:04:56" (3/3) ... [2020-10-12 19:04:56,484 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2020-10-12 19:04:56,494 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 19:04:56,502 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 19:04:56,513 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 19:04:56,536 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 19:04:56,537 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 19:04:56,537 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 19:04:56,537 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 19:04:56,537 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 19:04:56,538 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 19:04:56,538 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 19:04:56,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 19:04:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-12 19:04:56,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-12 19:04:56,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:04:56,574 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:04:56,574 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:04:56,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:04:56,581 INFO L82 PathProgramCache]: Analyzing trace with hash 156686034, now seen corresponding path program 1 times [2020-10-12 19:04:56,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:04:56,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43387200] [2020-10-12 19:04:56,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:04:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:04:56,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:04:57,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:04:57,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:04:57,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:04:57,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:04:57,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:04:57,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:04:58,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:01,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:01,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 19:05:01,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 19:05:01,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4737 [2020-10-12 19:05:01,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:05:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 19:05:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:05:01,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 19:05:01,819 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:01,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:01,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:01,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:01,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:01,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:01,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:05:01,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:01,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:01,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:01,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:01,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:01,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:01,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:01,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:01,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:01,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:01,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:01,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:05:01,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:01,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 19:05:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:01,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:01,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:01,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:01,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:01,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:01,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:05:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:05:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:01,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:01,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 19:05:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:01,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:01,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:01,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:01,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:01,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:05:01,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 19:05:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:01,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:01,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:01,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:01,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:01,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:01,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:01,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:01,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:01,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:01,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:02,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:05:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:02,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:02,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:02,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:02,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:02,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:05:02,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:05:02,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 19:05:02,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:02,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:02,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:02,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:02,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:02,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:02,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:02,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:02,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:02,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:02,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:05:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:02,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:02,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:02,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:02,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:02,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:02,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:02,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:05:02,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 19:05:02,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:02,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:02,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 19:05:02,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:02,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:02,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:02,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:02,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:02,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:02,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:02,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:02,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:02,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:02,261 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 19:05:02,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43387200] [2020-10-12 19:05:02,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:02,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 19:05:02,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088708941] [2020-10-12 19:05:02,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 19:05:02,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:02,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 19:05:02,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-12 19:05:02,298 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 14 states. [2020-10-12 19:05:02,634 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:05:02,920 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:05:03,089 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:05:05,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:05,461 INFO L93 Difference]: Finished difference Result 456 states and 703 transitions. [2020-10-12 19:05:05,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 19:05:05,463 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 71 [2020-10-12 19:05:05,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:05,477 INFO L225 Difference]: With dead ends: 456 [2020-10-12 19:05:05,478 INFO L226 Difference]: Without dead ends: 235 [2020-10-12 19:05:05,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-10-12 19:05:05,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-12 19:05:05,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2020-10-12 19:05:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-12 19:05:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 326 transitions. [2020-10-12 19:05:05,572 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 326 transitions. Word has length 71 [2020-10-12 19:05:05,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:05,573 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 326 transitions. [2020-10-12 19:05:05,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 19:05:05,573 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 326 transitions. [2020-10-12 19:05:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-12 19:05:05,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:05,577 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, 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, 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 19:05:05,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 19:05:05,578 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:05,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:05,579 INFO L82 PathProgramCache]: Analyzing trace with hash -819850044, now seen corresponding path program 1 times [2020-10-12 19:05:05,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:05,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151237199] [2020-10-12 19:05:05,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:05,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:05,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 19:05:06,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:05:06,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 668 [2020-10-12 19:05:06,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:05:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 19:05:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:05:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:06,449 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:06,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:06,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:05:06,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:06,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:06,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:06,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:06,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:06,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:06,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:06,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:06,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:06,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:06,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 19:05:06,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:05:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:05:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:06,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:06,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:06,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:06,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:06,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:06,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:06,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:06,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:06,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:05:06,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:06,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 19:05:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:06,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:06,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:06,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:06,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:06,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:06,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:06,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:05:06,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 19:05:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:06,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:06,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:06,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:06,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:06,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:06,746 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 19:05:06,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151237199] [2020-10-12 19:05:06,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:06,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:05:06,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710805457] [2020-10-12 19:05:06,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:05:06,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:06,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:05:06,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:05:06,750 INFO L87 Difference]: Start difference. First operand 235 states and 326 transitions. Second operand 13 states. [2020-10-12 19:05:07,036 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 19:05:09,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:09,054 INFO L93 Difference]: Finished difference Result 467 states and 651 transitions. [2020-10-12 19:05:09,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 19:05:09,055 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 82 [2020-10-12 19:05:09,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:09,058 INFO L225 Difference]: With dead ends: 467 [2020-10-12 19:05:09,059 INFO L226 Difference]: Without dead ends: 256 [2020-10-12 19:05:09,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:05:09,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-10-12 19:05:09,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2020-10-12 19:05:09,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-10-12 19:05:09,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 346 transitions. [2020-10-12 19:05:09,126 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 346 transitions. Word has length 82 [2020-10-12 19:05:09,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:09,127 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 346 transitions. [2020-10-12 19:05:09,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:05:09,130 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2020-10-12 19:05:09,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-12 19:05:09,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:09,139 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, 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, 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 19:05:09,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 19:05:09,140 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:09,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:09,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1713336382, now seen corresponding path program 1 times [2020-10-12 19:05:09,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:09,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999327810] [2020-10-12 19:05:09,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:09,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:09,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:09,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 19:05:09,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:09,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-12 19:05:09,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-12 19:05:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:05:09,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:09,656 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:09,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:09,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:09,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:09,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:09,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:09,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:05:09,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:09,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 19:05:09,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:09,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:09,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:09,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:09,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:09,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:09,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:09,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:09,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:09,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:09,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:09,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:09,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:09,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:09,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:09,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:09,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:09,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:09,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:09,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:05:09,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:09,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:09,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:09,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:09,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:09,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:09,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:09,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:09,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:09,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:09,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:09,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:09,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:09,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:09,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:05:09,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:09,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:09,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:09,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:09,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:09,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:09,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:09,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:09,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:09,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:09,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 19:05:09,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:09,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:09,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:09,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:09,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:09,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:05:09,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:09,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:09,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:09,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:09,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:09,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:09,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:09,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:09,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:09,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:09,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:09,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:09,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:09,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:09,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:09,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:09,923 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 19:05:09,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999327810] [2020-10-12 19:05:09,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:09,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 19:05:09,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131459410] [2020-10-12 19:05:09,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 19:05:09,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:09,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 19:05:09,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-12 19:05:09,927 INFO L87 Difference]: Start difference. First operand 253 states and 346 transitions. Second operand 11 states. [2020-10-12 19:05:10,833 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:10,981 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-12 19:05:12,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:12,111 INFO L93 Difference]: Finished difference Result 474 states and 663 transitions. [2020-10-12 19:05:12,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 19:05:12,111 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-10-12 19:05:12,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:12,116 INFO L225 Difference]: With dead ends: 474 [2020-10-12 19:05:12,116 INFO L226 Difference]: Without dead ends: 249 [2020-10-12 19:05:12,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2020-10-12 19:05:12,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-12 19:05:12,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2020-10-12 19:05:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-12 19:05:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 337 transitions. [2020-10-12 19:05:12,150 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 337 transitions. Word has length 82 [2020-10-12 19:05:12,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:12,150 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 337 transitions. [2020-10-12 19:05:12,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 19:05:12,151 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 337 transitions. [2020-10-12 19:05:12,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-12 19:05:12,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:12,153 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:05:12,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 19:05:12,153 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:12,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:12,153 INFO L82 PathProgramCache]: Analyzing trace with hash -395060692, now seen corresponding path program 1 times [2020-10-12 19:05:12,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:12,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788253757] [2020-10-12 19:05:12,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:12,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:12,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:12,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:13,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:13,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 19:05:13,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:05:13,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1695 [2020-10-12 19:05:13,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:05:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 19:05:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 19:05:13,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:14,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:05:14,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:14,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:05:14,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:14,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:05:14,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:14,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:05:14,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:14,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:14,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:14,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:14,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:05:14,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:05:14,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:14,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:14,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:14,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:14,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:14,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 19:05:14,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:14,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:14,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:14,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:14,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:14,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:14,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:14,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:05:14,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:14,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:14,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:14,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:14,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:14,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 19:05:14,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 19:05:14,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:05:14,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:05:14,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 19:05:14,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:14,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:14,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:14,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:05:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:14,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:14,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:14,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:14,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:14,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 19:05:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:14,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:14,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:14,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:14,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:14,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:14,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:05:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:14,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 19:05:14,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788253757] [2020-10-12 19:05:14,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:14,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:05:14,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591578418] [2020-10-12 19:05:14,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:05:14,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:14,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:05:14,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:05:14,454 INFO L87 Difference]: Start difference. First operand 249 states and 337 transitions. Second operand 16 states. [2020-10-12 19:05:14,613 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:14,886 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:05:18,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:18,264 INFO L93 Difference]: Finished difference Result 565 states and 771 transitions. [2020-10-12 19:05:18,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 19:05:18,264 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 104 [2020-10-12 19:05:18,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:18,271 INFO L225 Difference]: With dead ends: 565 [2020-10-12 19:05:18,271 INFO L226 Difference]: Without dead ends: 344 [2020-10-12 19:05:18,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=338, Invalid=994, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 19:05:18,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-10-12 19:05:18,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 341. [2020-10-12 19:05:18,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-10-12 19:05:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 455 transitions. [2020-10-12 19:05:18,312 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 455 transitions. Word has length 104 [2020-10-12 19:05:18,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:18,312 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 455 transitions. [2020-10-12 19:05:18,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:05:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 455 transitions. [2020-10-12 19:05:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-12 19:05:18,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:18,314 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:05:18,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 19:05:18,315 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:18,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:18,315 INFO L82 PathProgramCache]: Analyzing trace with hash 623292263, now seen corresponding path program 1 times [2020-10-12 19:05:18,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:18,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633693564] [2020-10-12 19:05:18,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:18,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:18,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:18,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:18,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 19:05:20,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:05:20,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2284 [2020-10-12 19:05:20,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:05:20,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 19:05:20,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-12 19:05:20,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:20,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:05:20,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:05:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:20,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:20,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:05:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:20,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:20,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:20,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:20,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:05:20,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:05:20,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:20,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:20,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:20,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:20,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:05:20,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:20,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:20,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:20,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:20,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:21,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:21,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:21,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:21,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:21,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:21,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 19:05:21,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:21,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:21,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:21,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:21,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:21,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:21,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:21,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:21,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:21,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:05:21,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:21,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:21,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:21,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:21,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:21,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 19:05:21,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:21,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:05:21,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:05:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:05:21,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:05:21,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:21,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:21,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:21,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:21,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:21,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:21,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:21,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:21,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 19:05:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:21,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:21,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:21,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:21,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:21,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:21,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:21,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:21,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:21,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:21,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:21,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 19:05:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:21,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:21,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:21,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:21,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:21,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:21,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:05:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:21,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 19:05:21,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633693564] [2020-10-12 19:05:21,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:21,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:05:21,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631599434] [2020-10-12 19:05:21,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:05:21,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:21,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:05:21,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:05:21,220 INFO L87 Difference]: Start difference. First operand 341 states and 455 transitions. Second operand 16 states. [2020-10-12 19:05:21,412 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:21,687 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:05:24,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:24,890 INFO L93 Difference]: Finished difference Result 568 states and 772 transitions. [2020-10-12 19:05:24,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 19:05:24,891 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 105 [2020-10-12 19:05:24,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:24,895 INFO L225 Difference]: With dead ends: 568 [2020-10-12 19:05:24,895 INFO L226 Difference]: Without dead ends: 344 [2020-10-12 19:05:24,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=303, Invalid=887, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 19:05:24,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-10-12 19:05:24,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 341. [2020-10-12 19:05:24,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-10-12 19:05:24,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 454 transitions. [2020-10-12 19:05:24,935 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 454 transitions. Word has length 105 [2020-10-12 19:05:24,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:24,935 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 454 transitions. [2020-10-12 19:05:24,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:05:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 454 transitions. [2020-10-12 19:05:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-12 19:05:24,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:24,937 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:05:24,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 19:05:24,937 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:24,938 INFO L82 PathProgramCache]: Analyzing trace with hash 893545113, now seen corresponding path program 1 times [2020-10-12 19:05:24,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:24,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1707091725] [2020-10-12 19:05:24,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:24,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 19:05:25,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:05:25,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 460 [2020-10-12 19:05:25,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:25,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-12 19:05:25,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:25,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:25,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:25,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:25,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:25,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:25,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:25,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:25,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:25,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:25,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:25,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:25,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:05:25,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:25,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:25,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:25,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:25,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:25,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:05:25,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:25,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:25,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:25,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:25,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:25,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:05:25,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:25,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:25,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:25,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:25,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:05:25,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:25,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:25,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:25,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:25,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:25,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:05:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:25,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:25,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:25,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:05:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:25,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:25,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:25,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:25,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:25,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:25,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:25,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:25,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:25,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 19:05:25,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1707091725] [2020-10-12 19:05:25,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:25,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:05:25,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275197876] [2020-10-12 19:05:25,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:05:25,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:26,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:05:26,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:05:26,000 INFO L87 Difference]: Start difference. First operand 341 states and 454 transitions. Second operand 13 states. [2020-10-12 19:05:27,235 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:27,385 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-12 19:05:28,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:28,309 INFO L93 Difference]: Finished difference Result 567 states and 771 transitions. [2020-10-12 19:05:28,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:05:28,309 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 106 [2020-10-12 19:05:28,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:28,314 INFO L225 Difference]: With dead ends: 567 [2020-10-12 19:05:28,314 INFO L226 Difference]: Without dead ends: 346 [2020-10-12 19:05:28,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:05:28,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-10-12 19:05:28,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2020-10-12 19:05:28,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-12 19:05:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 458 transitions. [2020-10-12 19:05:28,349 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 458 transitions. Word has length 106 [2020-10-12 19:05:28,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:28,350 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 458 transitions. [2020-10-12 19:05:28,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:05:28,350 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 458 transitions. [2020-10-12 19:05:28,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-12 19:05:28,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:28,352 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:05:28,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 19:05:28,352 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:28,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:28,352 INFO L82 PathProgramCache]: Analyzing trace with hash 763058293, now seen corresponding path program 1 times [2020-10-12 19:05:28,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:28,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669881407] [2020-10-12 19:05:28,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:28,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:28,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:28,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-12 19:05:28,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:05:28,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-12 19:05:28,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 19:05:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:28,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:28,976 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:28,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:28,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:28,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:28,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:28,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:28,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:28,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:28,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:28,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:28,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:28,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:28,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:28,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:28,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:28,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:28,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:28,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:29,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:29,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:29,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:05:29,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:29,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:29,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:29,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:29,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:29,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:29,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:29,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:05:29,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:29,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:29,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:05:29,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:05:29,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:29,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:29,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:29,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:05:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:29,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:29,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:05:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:29,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:29,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 19:05:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:29,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:29,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:29,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:29,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:29,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:29,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:29,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:29,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:29,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:29,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 19:05:29,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669881407] [2020-10-12 19:05:29,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:29,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:05:29,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18252546] [2020-10-12 19:05:29,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:05:29,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:29,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:05:29,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:05:29,281 INFO L87 Difference]: Start difference. First operand 346 states and 458 transitions. Second operand 13 states. [2020-10-12 19:05:30,534 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:05:30,666 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:05:31,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:31,453 INFO L93 Difference]: Finished difference Result 577 states and 782 transitions. [2020-10-12 19:05:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:05:31,453 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 114 [2020-10-12 19:05:31,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:31,457 INFO L225 Difference]: With dead ends: 577 [2020-10-12 19:05:31,457 INFO L226 Difference]: Without dead ends: 351 [2020-10-12 19:05:31,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:05:31,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-10-12 19:05:31,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2020-10-12 19:05:31,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-12 19:05:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 462 transitions. [2020-10-12 19:05:31,492 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 462 transitions. Word has length 114 [2020-10-12 19:05:31,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:31,492 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 462 transitions. [2020-10-12 19:05:31,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:05:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 462 transitions. [2020-10-12 19:05:31,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-12 19:05:31,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:31,494 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1] [2020-10-12 19:05:31,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 19:05:31,494 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:31,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:31,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1057414273, now seen corresponding path program 1 times [2020-10-12 19:05:31,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:31,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342306858] [2020-10-12 19:05:31,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:31,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:31,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:31,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:31,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 19:05:31,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:05:31,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-12 19:05:31,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:31,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:31,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-12 19:05:31,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:05:31,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,094 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:32,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:32,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:05:32,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:32,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:32,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:32,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:32,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:32,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:32,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:32,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:32,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:32,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:05:32,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:32,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:32,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:32,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:32,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:32,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:32,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:05:32,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:32,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:32,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:32,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:05:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:32,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:32,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:05:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:32,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:32,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 19:05:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:32,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:32,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 19:05:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:32,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:32,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,409 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 19:05:32,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342306858] [2020-10-12 19:05:32,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:32,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:05:32,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383880715] [2020-10-12 19:05:32,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:05:32,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:32,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:05:32,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:05:32,414 INFO L87 Difference]: Start difference. First operand 351 states and 462 transitions. Second operand 13 states. [2020-10-12 19:05:33,724 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:33,901 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:05:34,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:34,628 INFO L93 Difference]: Finished difference Result 586 states and 786 transitions. [2020-10-12 19:05:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:05:34,628 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 122 [2020-10-12 19:05:34,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:34,631 INFO L225 Difference]: With dead ends: 586 [2020-10-12 19:05:34,631 INFO L226 Difference]: Without dead ends: 355 [2020-10-12 19:05:34,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:05:34,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-10-12 19:05:34,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2020-10-12 19:05:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-10-12 19:05:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 465 transitions. [2020-10-12 19:05:34,669 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 465 transitions. Word has length 122 [2020-10-12 19:05:34,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:34,669 INFO L479 AbstractCegarLoop]: Abstraction has 355 states and 465 transitions. [2020-10-12 19:05:34,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:05:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 465 transitions. [2020-10-12 19:05:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-12 19:05:34,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:34,672 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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, 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, 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 19:05:34,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 19:05:34,672 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:34,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:34,672 INFO L82 PathProgramCache]: Analyzing trace with hash -737620003, now seen corresponding path program 1 times [2020-10-12 19:05:34,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:34,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238885106] [2020-10-12 19:05:34,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:34,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:34,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 19:05:39,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:05:39,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 19:05:39,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:05:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 19:05:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-12 19:05:39,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,911 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:39,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:39,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:05:39,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:39,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:05:39,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:05:39,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:39,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:39,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:39,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:39,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:39,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:05:39,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:05:39,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:40,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:40,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:40,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:40,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:40,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:40,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 19:05:40,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:05:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:05:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 19:05:40,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:40,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:40,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:40,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:40,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:05:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:05:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:05:40,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:40,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:40,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:40,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 19:05:40,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:40,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:40,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:40,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:40,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:40,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:40,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:40,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:40,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:40,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:40,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:05:40,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:05:40,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:40,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:40,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:05:40,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:40,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:40,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:40,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:40,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:40,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:40,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:40,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:40,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:05:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:40,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:40,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:40,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:40,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:40,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:40,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:40,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:05:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:40,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:40,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:40,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:40,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 19:05:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:40,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:40,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:40,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:40,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:40,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:05:40,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:40,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 19:05:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:40,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:40,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:40,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:40,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:05:40,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:05:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:05:40,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 19:05:40,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238885106] [2020-10-12 19:05:40,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:40,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 19:05:40,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500183329] [2020-10-12 19:05:40,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 19:05:40,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:40,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 19:05:40,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 19:05:40,511 INFO L87 Difference]: Start difference. First operand 355 states and 465 transitions. Second operand 18 states. [2020-10-12 19:05:40,793 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:05:41,022 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:41,827 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:42,889 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:05:43,051 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:05:43,217 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:05:45,274 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:05:46,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:46,891 INFO L93 Difference]: Finished difference Result 784 states and 1056 transitions. [2020-10-12 19:05:46,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 19:05:46,891 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 122 [2020-10-12 19:05:46,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:46,898 INFO L225 Difference]: With dead ends: 784 [2020-10-12 19:05:46,899 INFO L226 Difference]: Without dead ends: 549 [2020-10-12 19:05:46,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=435, Invalid=1371, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 19:05:46,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-12 19:05:46,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 485. [2020-10-12 19:05:46,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2020-10-12 19:05:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 644 transitions. [2020-10-12 19:05:46,967 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 644 transitions. Word has length 122 [2020-10-12 19:05:46,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:46,968 INFO L479 AbstractCegarLoop]: Abstraction has 485 states and 644 transitions. [2020-10-12 19:05:46,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 19:05:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 644 transitions. [2020-10-12 19:05:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-12 19:05:46,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:46,970 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:05:46,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 19:05:46,970 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:46,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:46,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1796038678, now seen corresponding path program 1 times [2020-10-12 19:05:46,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:46,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178346889] [2020-10-12 19:05:46,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:47,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:47,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 19:05:47,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:05:47,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 821 [2020-10-12 19:05:47,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:47,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:05:47,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 19:05:47,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-12 19:05:47,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,065 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:48,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:48,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:05:48,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:48,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:48,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:48,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:48,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:48,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:05:48,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:48,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:48,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:48,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 19:05:48,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:05:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:05:48,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:48,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:05:48,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:48,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:48,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:48,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:05:48,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:48,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:48,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:48,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:48,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:05:48,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:05:48,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:05:48,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:48,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:48,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:05:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:48,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:48,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:05:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:48,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:48,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:48,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 19:05:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:48,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:48,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:05:48,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 19:05:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:48,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:48,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:05:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 19:05:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:48,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:05:48,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:05:48,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:48,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 19:05:48,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178346889] [2020-10-12 19:05:48,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:48,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-12 19:05:48,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318467994] [2020-10-12 19:05:48,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 19:05:48,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:48,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 19:05:48,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-10-12 19:05:48,687 INFO L87 Difference]: Start difference. First operand 485 states and 644 transitions. Second operand 17 states. [2020-10-12 19:05:48,876 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-12 19:05:50,110 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-12 19:05:51,357 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-12 19:05:52,318 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 19:05:52,499 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-12 19:05:52,691 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 19:05:52,880 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 19:05:53,086 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 19:05:55,320 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:05:57,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:57,199 INFO L93 Difference]: Finished difference Result 1377 states and 1899 transitions. [2020-10-12 19:05:57,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 19:05:57,199 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 129 [2020-10-12 19:05:57,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:57,206 INFO L225 Difference]: With dead ends: 1377 [2020-10-12 19:05:57,206 INFO L226 Difference]: Without dead ends: 1039 [2020-10-12 19:05:57,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=435, Invalid=1287, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 19:05:57,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2020-10-12 19:05:57,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 830. [2020-10-12 19:05:57,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-10-12 19:05:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1101 transitions. [2020-10-12 19:05:57,305 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1101 transitions. Word has length 129 [2020-10-12 19:05:57,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:57,306 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 1101 transitions. [2020-10-12 19:05:57,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 19:05:57,306 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1101 transitions. [2020-10-12 19:05:57,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 19:05:57,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:57,308 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:05:57,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 19:05:57,309 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:57,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:57,309 INFO L82 PathProgramCache]: Analyzing trace with hash 841212670, now seen corresponding path program 1 times [2020-10-12 19:05:57,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:57,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097061315] [2020-10-12 19:05:57,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:57,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:57,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:57,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:58,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:58,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:02,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:02,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-12 19:06:02,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 19:06:02,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 19:06:02,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:02,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:06:02,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 19:06:02,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-12 19:06:02,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:02,658 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:02,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:02,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:02,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:02,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:02,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:06:02,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:02,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:02,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:02,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:02,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:02,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:02,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:02,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:02,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:02,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:02,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:06:02,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:02,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:02,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:02,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:02,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:02,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:02,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:02,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:02,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:02,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:02,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:02,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:02,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:02,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:02,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:02,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:06:02,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:02,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:02,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:02,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:06:02,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:02,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:02,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:02,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:02,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:02,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:02,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:02,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:02,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:02,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:02,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:02,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:02,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:02,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:02,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:02,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:02,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:02,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 19:06:02,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:02,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:06:02,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:02,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:06:02,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:02,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:02,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:02,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:02,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:02,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:02,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:02,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:02,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:06:02,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:02,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:06:02,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:03,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:06:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:03,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:03,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:03,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:03,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:03,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 19:06:03,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:03,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:03,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:06:03,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:03,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:03,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:03,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:03,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:03,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:03,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:03,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:03,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:06:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:03,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:03,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:03,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:06:03,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:03,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:06:03,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:06:03,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:03,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:03,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:03,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:03,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:03,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:03,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:03,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:03,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:03,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:03,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:03,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:03,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:06:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:03,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:03,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:03,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:03,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:03,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:03,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:03,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:03,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:03,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 19:06:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:03,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:03,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:03,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:03,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:03,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:03,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:03,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:03,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:03,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:03,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:03,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 19:06:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:03,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:03,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:03,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:03,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:03,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:03,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:03,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:03,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:03,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:03,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:03,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 19:06:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:03,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:03,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:03,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:03,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:03,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:03,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:03,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:03,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 19:06:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:03,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:03,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:03,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:03,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:03,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:06:03,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:03,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 19:06:03,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097061315] [2020-10-12 19:06:03,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:03,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 19:06:03,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153340520] [2020-10-12 19:06:03,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 19:06:03,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:03,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 19:06:03,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 19:06:03,356 INFO L87 Difference]: Start difference. First operand 830 states and 1101 transitions. Second operand 18 states. [2020-10-12 19:06:03,590 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:06:03,744 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:04,547 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:05,722 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:06:06,290 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:06:06,445 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:06:08,048 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:06:08,956 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:06:09,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:09,876 INFO L93 Difference]: Finished difference Result 1464 states and 1964 transitions. [2020-10-12 19:06:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 19:06:09,876 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 132 [2020-10-12 19:06:09,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:09,882 INFO L225 Difference]: With dead ends: 1464 [2020-10-12 19:06:09,883 INFO L226 Difference]: Without dead ends: 909 [2020-10-12 19:06:09,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=435, Invalid=1371, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 19:06:09,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-12 19:06:09,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 830. [2020-10-12 19:06:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-10-12 19:06:09,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1099 transitions. [2020-10-12 19:06:09,987 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1099 transitions. Word has length 132 [2020-10-12 19:06:09,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:09,988 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 1099 transitions. [2020-10-12 19:06:09,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 19:06:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1099 transitions. [2020-10-12 19:06:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 19:06:09,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:09,990 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:09,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 19:06:09,990 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:09,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:09,991 INFO L82 PathProgramCache]: Analyzing trace with hash -155984399, now seen corresponding path program 1 times [2020-10-12 19:06:09,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:09,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624566216] [2020-10-12 19:06:09,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:10,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:10,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:10,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-12 19:06:11,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:06:11,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1386 [2020-10-12 19:06:11,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:06:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 19:06:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 19:06:11,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,602 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:11,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:11,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:11,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:11,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:11,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:11,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:11,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:11,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:11,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:11,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 19:06:11,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:06:11,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:11,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:06:11,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:11,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:11,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:06:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:06:11,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:11,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:06:11,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:11,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:06:11,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:11,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:11,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:11,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:06:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:11,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:06:11,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:06:11,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:11,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:11,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:11,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:06:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:06:11,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:11,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:06:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:11,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:11,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:06:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:11,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:11,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:11,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:11,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:06:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:11,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:11,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:11,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:11,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:11,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 19:06:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:11,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:11,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:11,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:11,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:11,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:11,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:11,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:11,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:12,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 19:06:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:12,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:12,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:12,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:12,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:12,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:06:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:12,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 19:06:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:12,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:12,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:12,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:12,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:12,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:12,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:06:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:12,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 19:06:12,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624566216] [2020-10-12 19:06:12,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:12,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 19:06:12,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889884747] [2020-10-12 19:06:12,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 19:06:12,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:12,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 19:06:12,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 19:06:12,048 INFO L87 Difference]: Start difference. First operand 830 states and 1099 transitions. Second operand 18 states. [2020-10-12 19:06:12,380 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2020-10-12 19:06:12,550 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:06:12,963 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:06:14,339 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:06:14,491 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:14,637 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:06:16,484 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:06:16,702 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:19,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:19,667 INFO L93 Difference]: Finished difference Result 1540 states and 2087 transitions. [2020-10-12 19:06:19,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 19:06:19,668 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 130 [2020-10-12 19:06:19,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:19,678 INFO L225 Difference]: With dead ends: 1540 [2020-10-12 19:06:19,678 INFO L226 Difference]: Without dead ends: 945 [2020-10-12 19:06:19,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=410, Invalid=1230, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 19:06:19,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-10-12 19:06:19,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 830. [2020-10-12 19:06:19,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-10-12 19:06:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1097 transitions. [2020-10-12 19:06:19,864 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1097 transitions. Word has length 130 [2020-10-12 19:06:19,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:19,869 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 1097 transitions. [2020-10-12 19:06:19,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 19:06:19,869 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1097 transitions. [2020-10-12 19:06:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 19:06:19,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:19,876 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:19,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 19:06:19,877 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:19,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:19,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1230730749, now seen corresponding path program 1 times [2020-10-12 19:06:19,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:19,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579413533] [2020-10-12 19:06:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:19,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-12 19:06:20,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-12 19:06:20,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-10-12 19:06:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:20,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:20,503 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:20,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:20,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:20,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:20,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:20,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:20,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:20,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:20,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:20,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:20,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:20,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:20,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:20,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:20,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:20,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:06:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:20,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:20,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:20,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:20,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:06:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:06:20,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:20,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:20,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:20,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:06:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:20,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:20,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 19:06:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:20,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:20,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 19:06:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:20,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:20,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 19:06:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:20,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:20,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 19:06:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:20,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:20,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:20,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:20,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:20,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:20,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:20,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:20,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:20,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:20,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:20,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 19:06:20,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579413533] [2020-10-12 19:06:20,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:20,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:06:20,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387581075] [2020-10-12 19:06:20,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:06:20,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:20,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:06:20,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:06:20,797 INFO L87 Difference]: Start difference. First operand 830 states and 1097 transitions. Second operand 13 states. [2020-10-12 19:06:22,292 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:22,433 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:06:23,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:23,272 INFO L93 Difference]: Finished difference Result 1449 states and 1953 transitions. [2020-10-12 19:06:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:06:23,274 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 130 [2020-10-12 19:06:23,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:23,279 INFO L225 Difference]: With dead ends: 1449 [2020-10-12 19:06:23,279 INFO L226 Difference]: Without dead ends: 850 [2020-10-12 19:06:23,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:06:23,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-10-12 19:06:23,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 850. [2020-10-12 19:06:23,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2020-10-12 19:06:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1113 transitions. [2020-10-12 19:06:23,382 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1113 transitions. Word has length 130 [2020-10-12 19:06:23,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:23,383 INFO L479 AbstractCegarLoop]: Abstraction has 850 states and 1113 transitions. [2020-10-12 19:06:23,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:06:23,383 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1113 transitions. [2020-10-12 19:06:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-12 19:06:23,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:23,385 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:23,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 19:06:23,385 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:23,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:23,385 INFO L82 PathProgramCache]: Analyzing trace with hash -2007632115, now seen corresponding path program 1 times [2020-10-12 19:06:23,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:23,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52244848] [2020-10-12 19:06:23,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-12 19:06:23,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-12 19:06:23,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:23,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-12 19:06:23,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:06:23,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,746 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:23,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:23,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:23,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:23,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:23,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:23,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:23,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:23,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:23,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:23,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:23,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:23,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:23,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:23,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:23,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:06:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:23,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:23,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:23,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:23,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:06:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:06:23,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:23,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:23,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:23,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:06:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:23,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:23,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 19:06:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:23,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:23,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 19:06:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:23,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:23,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 19:06:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:23,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:23,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:23,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:23,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 19:06:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:23,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:23,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:23,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:23,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:23,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:23,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:23,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:23,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:23,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:24,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:24,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 19:06:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:24,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:24,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:24,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:24,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:24,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:24,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:24,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:24,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 19:06:24,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52244848] [2020-10-12 19:06:24,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:24,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:06:24,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380978609] [2020-10-12 19:06:24,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:06:24,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:24,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:06:24,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:06:24,018 INFO L87 Difference]: Start difference. First operand 850 states and 1113 transitions. Second operand 13 states. [2020-10-12 19:06:25,499 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:06:25,630 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:06:26,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:26,439 INFO L93 Difference]: Finished difference Result 1389 states and 1842 transitions. [2020-10-12 19:06:26,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:06:26,439 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2020-10-12 19:06:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:26,444 INFO L225 Difference]: With dead ends: 1389 [2020-10-12 19:06:26,445 INFO L226 Difference]: Without dead ends: 862 [2020-10-12 19:06:26,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:06:26,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2020-10-12 19:06:26,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 862. [2020-10-12 19:06:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-12 19:06:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1122 transitions. [2020-10-12 19:06:26,548 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1122 transitions. Word has length 138 [2020-10-12 19:06:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:26,548 INFO L479 AbstractCegarLoop]: Abstraction has 862 states and 1122 transitions. [2020-10-12 19:06:26,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:06:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1122 transitions. [2020-10-12 19:06:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-12 19:06:26,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:26,550 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:26,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 19:06:26,551 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:26,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:26,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1818189375, now seen corresponding path program 1 times [2020-10-12 19:06:26,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:26,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316684630] [2020-10-12 19:06:26,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:26,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:26,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:26,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:27,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 19:06:31,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:06:31,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 19:06:31,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:06:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 19:06:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-12 19:06:31,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:31,815 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:31,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:31,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:31,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:31,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:31,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:31,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:06:31,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:31,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:31,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:31,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:31,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:06:31,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:06:31,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:31,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:31,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:31,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:31,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 19:06:31,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:06:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 19:06:31,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:32,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:32,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:06:32,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:32,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:06:32,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:06:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:32,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:06:32,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:06:32,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:32,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:32,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:32,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:06:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:06:32,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:32,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:06:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:32,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:32,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:32,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:06:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:32,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:32,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:32,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:32,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:32,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:06:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:32,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:32,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:32,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 19:06:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:32,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:32,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:32,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:32,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:32,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 19:06:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:32,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:32,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:32,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:32,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:32,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 19:06:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:32,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:32,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:06:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:32,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 19:06:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:32,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:32,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:06:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:32,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 19:06:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:32,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:32,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:32,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:32,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:32,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:32,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:06:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:32,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-12 19:06:32,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316684630] [2020-10-12 19:06:32,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:06:32,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 19:06:32,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827686040] [2020-10-12 19:06:32,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 19:06:32,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:32,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 19:06:32,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 19:06:32,253 INFO L87 Difference]: Start difference. First operand 862 states and 1122 transitions. Second operand 18 states. [2020-10-12 19:06:32,460 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-12 19:06:32,628 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:33,453 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:06:34,634 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-12 19:06:34,806 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-12 19:06:34,967 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-12 19:06:36,595 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:06:36,807 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:06:39,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:39,349 INFO L93 Difference]: Finished difference Result 1614 states and 2149 transitions. [2020-10-12 19:06:39,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 19:06:39,350 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 146 [2020-10-12 19:06:39,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:39,356 INFO L225 Difference]: With dead ends: 1614 [2020-10-12 19:06:39,356 INFO L226 Difference]: Without dead ends: 991 [2020-10-12 19:06:39,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=435, Invalid=1371, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 19:06:39,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-10-12 19:06:39,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 862. [2020-10-12 19:06:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-12 19:06:39,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1120 transitions. [2020-10-12 19:06:39,463 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1120 transitions. Word has length 146 [2020-10-12 19:06:39,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:39,464 INFO L479 AbstractCegarLoop]: Abstraction has 862 states and 1120 transitions. [2020-10-12 19:06:39,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 19:06:39,464 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1120 transitions. [2020-10-12 19:06:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 19:06:39,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:39,466 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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 19:06:39,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 19:06:39,466 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:39,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:39,467 INFO L82 PathProgramCache]: Analyzing trace with hash -36614703, now seen corresponding path program 1 times [2020-10-12 19:06:39,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:39,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513670402] [2020-10-12 19:06:39,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:39,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:39,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 19:06:40,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:06:40,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 741 [2020-10-12 19:06:40,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:06:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 19:06:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-12 19:06:40,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,383 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:40,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:40,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:40,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:40,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:40,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:40,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:40,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:40,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:40,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:40,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:40,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:40,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:40,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:40,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:40,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:06:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:40,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:06:40,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:06:40,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:40,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:40,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:40,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:40,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:06:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:06:40,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:40,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:06:40,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:40,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:40,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:06:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:40,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:40,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 19:06:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 19:06:40,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:06:40,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:06:40,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 19:06:40,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 19:06:40,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:06:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:40,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:40,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:06:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:40,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:40,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:06:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:40,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:40,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:06:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:40,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:40,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:06:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:40,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:40,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:06:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:40,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:40,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:40,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 19:06:40,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513670402] [2020-10-12 19:06:40,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:40,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 19:06:40,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923819839] [2020-10-12 19:06:40,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 19:06:40,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:40,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 19:06:40,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-12 19:06:40,917 INFO L87 Difference]: Start difference. First operand 862 states and 1120 transitions. Second operand 18 states. [2020-10-12 19:06:41,300 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 146 [2020-10-12 19:06:41,477 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:06:43,028 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 19:06:43,336 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 19:06:44,822 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 19:06:44,993 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-12 19:06:45,193 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 19:06:45,378 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-12 19:06:45,585 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 19:06:45,792 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 19:06:46,160 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 151 [2020-10-12 19:06:46,610 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-10-12 19:06:46,886 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-10-12 19:06:47,052 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-10-12 19:06:49,372 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:06:51,018 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 148 [2020-10-12 19:06:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:52,964 INFO L93 Difference]: Finished difference Result 2528 states and 3364 transitions. [2020-10-12 19:06:52,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 19:06:52,964 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 145 [2020-10-12 19:06:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:52,974 INFO L225 Difference]: With dead ends: 2528 [2020-10-12 19:06:52,974 INFO L226 Difference]: Without dead ends: 1995 [2020-10-12 19:06:52,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=640, Invalid=2330, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 19:06:52,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2020-10-12 19:06:53,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1724. [2020-10-12 19:06:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1724 states. [2020-10-12 19:06:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2244 transitions. [2020-10-12 19:06:53,234 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2244 transitions. Word has length 145 [2020-10-12 19:06:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:53,234 INFO L479 AbstractCegarLoop]: Abstraction has 1724 states and 2244 transitions. [2020-10-12 19:06:53,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 19:06:53,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2244 transitions. [2020-10-12 19:06:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-12 19:06:53,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:53,237 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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 19:06:53,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 19:06:53,237 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:53,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:53,238 INFO L82 PathProgramCache]: Analyzing trace with hash -176219484, now seen corresponding path program 1 times [2020-10-12 19:06:53,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:53,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628562245] [2020-10-12 19:06:53,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-12 19:06:56,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 19:06:56,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3396 [2020-10-12 19:06:56,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 19:06:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 19:06:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 19:06:56,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:56,825 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:56,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:56,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:56,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:56,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:56,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:56,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:56,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:56,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:56,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:56,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:56,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:06:56,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:56,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:56,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:56,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:56,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:56,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:06:56,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:56,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:06:56,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:56,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:56,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:56,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:56,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:06:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:57,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:06:57,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 19:06:57,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:06:57,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:57,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:06:57,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:57,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:57,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:57,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:57,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:57,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 19:06:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:06:57,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:06:57,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:06:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 19:06:57,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:57,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:57,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:57,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:57,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:06:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:57,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:57,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:57,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 19:06:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 19:06:57,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:57,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 19:06:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:06:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:57,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:57,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:57,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:06:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:57,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:57,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:57,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:06:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:57,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:57,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:57,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:06:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:57,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:57,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:57,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:57,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:57,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:06:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:57,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:57,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:06:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:57,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:57,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:57,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:57,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:57,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:57,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:57,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 19:06:57,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628562245] [2020-10-12 19:06:57,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:57,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-12 19:06:57,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042331416] [2020-10-12 19:06:57,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 19:06:57,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:57,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 19:06:57,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-10-12 19:06:57,344 INFO L87 Difference]: Start difference. First operand 1724 states and 2244 transitions. Second operand 19 states. [2020-10-12 19:06:57,509 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:06:57,828 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:06:59,111 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-10-12 19:07:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:02,586 INFO L93 Difference]: Finished difference Result 3215 states and 4203 transitions. [2020-10-12 19:07:02,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 19:07:02,587 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 146 [2020-10-12 19:07:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:02,594 INFO L225 Difference]: With dead ends: 3215 [2020-10-12 19:07:02,594 INFO L226 Difference]: Without dead ends: 1774 [2020-10-12 19:07:02,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=432, Invalid=1730, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 19:07:02,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2020-10-12 19:07:02,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1730. [2020-10-12 19:07:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1730 states. [2020-10-12 19:07:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2252 transitions. [2020-10-12 19:07:02,916 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2252 transitions. Word has length 146 [2020-10-12 19:07:02,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:02,916 INFO L479 AbstractCegarLoop]: Abstraction has 1730 states and 2252 transitions. [2020-10-12 19:07:02,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 19:07:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2252 transitions. [2020-10-12 19:07:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-12 19:07:02,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:02,919 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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 19:07:02,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 19:07:02,920 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:02,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:02,920 INFO L82 PathProgramCache]: Analyzing trace with hash -416459230, now seen corresponding path program 1 times [2020-10-12 19:07:02,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:02,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682010570] [2020-10-12 19:07:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-12 19:07:03,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-12 19:07:03,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:03,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-12 19:07:03,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 19:07:03,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,372 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:03,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:03,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:07:03,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:03,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:03,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:03,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:03,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:03,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:03,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:03,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 19:07:03,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:03,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:07:03,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:03,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:03,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:07:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:03,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 19:07:03,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:03,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:07:03,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:03,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:03,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 19:07:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:03,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:07:03,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:07:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:03,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:07:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:03,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 19:07:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 19:07:03,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:07:03,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-12 19:07:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:03,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:07:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:03,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:03,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:07:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:03,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:03,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:07:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:03,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:03,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:03,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:07:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:03,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 19:07:03,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682010570] [2020-10-12 19:07:03,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:03,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 19:07:03,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533907348] [2020-10-12 19:07:03,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 19:07:03,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:03,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 19:07:03,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-12 19:07:03,954 INFO L87 Difference]: Start difference. First operand 1730 states and 2252 transitions. Second operand 14 states. [2020-10-12 19:07:04,111 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:07:05,076 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:07:10,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:10,144 INFO L93 Difference]: Finished difference Result 4452 states and 5876 transitions. [2020-10-12 19:07:10,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 19:07:10,150 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 146 [2020-10-12 19:07:10,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:10,167 INFO L225 Difference]: With dead ends: 4452 [2020-10-12 19:07:10,167 INFO L226 Difference]: Without dead ends: 3414 [2020-10-12 19:07:10,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 19:07:10,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3414 states. [2020-10-12 19:07:10,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3414 to 3230. [2020-10-12 19:07:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3230 states. [2020-10-12 19:07:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 3230 states and 4232 transitions. [2020-10-12 19:07:10,605 INFO L78 Accepts]: Start accepts. Automaton has 3230 states and 4232 transitions. Word has length 146 [2020-10-12 19:07:10,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:10,606 INFO L479 AbstractCegarLoop]: Abstraction has 3230 states and 4232 transitions. [2020-10-12 19:07:10,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 19:07:10,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 4232 transitions. [2020-10-12 19:07:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 19:07:10,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:10,610 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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 19:07:10,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 19:07:10,610 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:10,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:10,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1491727592, now seen corresponding path program 1 times [2020-10-12 19:07:10,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:10,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [18179593] [2020-10-12 19:07:10,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:10,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:10,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 19:07:10,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:10,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-12 19:07:10,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-12 19:07:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 19:07:10,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,036 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:11,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:11,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:07:11,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:11,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:11,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:11,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:11,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:11,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:11,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:11,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:11,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:11,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:11,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:11,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:11,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:07:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:11,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 19:07:11,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:07:11,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:11,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:11,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 19:07:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:11,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:07:11,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:07:11,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:11,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:11,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:07:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:11,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:11,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 19:07:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 19:07:11,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 19:07:11,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:11,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 19:07:11,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:07:11,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:11,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:11,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:07:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:11,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:11,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:07:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:11,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:11,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:07:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:11,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:11,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:11,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:11,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:07:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:11,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:11,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:11,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 19:07:11,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [18179593] [2020-10-12 19:07:11,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:11,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 19:07:11,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607941861] [2020-10-12 19:07:11,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 19:07:11,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:11,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 19:07:11,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-12 19:07:11,632 INFO L87 Difference]: Start difference. First operand 3230 states and 4232 transitions. Second operand 14 states. [2020-10-12 19:07:11,785 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:07:14,211 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:07:18,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:18,495 INFO L93 Difference]: Finished difference Result 8550 states and 11345 transitions. [2020-10-12 19:07:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 19:07:18,496 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 148 [2020-10-12 19:07:18,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:18,527 INFO L225 Difference]: With dead ends: 8550 [2020-10-12 19:07:18,527 INFO L226 Difference]: Without dead ends: 6718 [2020-10-12 19:07:18,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=327, Invalid=1079, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 19:07:18,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6718 states. [2020-10-12 19:07:19,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6718 to 5882. [2020-10-12 19:07:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5882 states. [2020-10-12 19:07:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5882 states to 5882 states and 7733 transitions. [2020-10-12 19:07:19,295 INFO L78 Accepts]: Start accepts. Automaton has 5882 states and 7733 transitions. Word has length 148 [2020-10-12 19:07:19,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:19,296 INFO L479 AbstractCegarLoop]: Abstraction has 5882 states and 7733 transitions. [2020-10-12 19:07:19,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 19:07:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5882 states and 7733 transitions. [2020-10-12 19:07:19,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 19:07:19,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:19,301 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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 19:07:19,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 19:07:19,301 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:19,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:19,301 INFO L82 PathProgramCache]: Analyzing trace with hash 318144509, now seen corresponding path program 1 times [2020-10-12 19:07:19,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:19,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823340302] [2020-10-12 19:07:19,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:19,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:19,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:19,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:19,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:19,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 19:07:19,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:19,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 460 [2020-10-12 19:07:19,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:19,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:19,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 19:07:19,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 19:07:19,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:19,932 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:19,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:19,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:19,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:19,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:19,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:19,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:19,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:19,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:19,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:19,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:19,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:19,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:19,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:19,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:19,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:19,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:19,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:19,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:19,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:19,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:19,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:19,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:19,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:19,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:19,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:19,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:19,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:19,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:19,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:19,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:19,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:07:19,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:19,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:19,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:19,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:19,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:19,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:19,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:19,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:19,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 19:07:20,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:20,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 19:07:20,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:07:20,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:20,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:20,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 19:07:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:20,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:20,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 19:07:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:20,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:20,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:20,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 19:07:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:20,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:20,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 19:07:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:20,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:20,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:20,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:07:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:20,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:20,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 19:07:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 19:07:20,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:07:20,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 19:07:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:20,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:20,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:07:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:20,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:20,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:20,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:07:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:20,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:20,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:20,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:07:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:20,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:20,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:20,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:20,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:20,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:07:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:20,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:20,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:20,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:20,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:20,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:20,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 19:07:20,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823340302] [2020-10-12 19:07:20,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:20,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:07:20,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394027932] [2020-10-12 19:07:20,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:07:20,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:20,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:07:20,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:07:20,355 INFO L87 Difference]: Start difference. First operand 5882 states and 7733 transitions. Second operand 16 states. [2020-10-12 19:07:20,516 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 19:07:24,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:24,876 INFO L93 Difference]: Finished difference Result 10967 states and 14458 transitions. [2020-10-12 19:07:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 19:07:24,877 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 148 [2020-10-12 19:07:24,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:24,903 INFO L225 Difference]: With dead ends: 10967 [2020-10-12 19:07:24,903 INFO L226 Difference]: Without dead ends: 5214 [2020-10-12 19:07:24,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 19:07:24,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2020-10-12 19:07:25,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5170. [2020-10-12 19:07:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5170 states. [2020-10-12 19:07:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 6793 transitions. [2020-10-12 19:07:25,460 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 6793 transitions. Word has length 148 [2020-10-12 19:07:25,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:25,461 INFO L479 AbstractCegarLoop]: Abstraction has 5170 states and 6793 transitions. [2020-10-12 19:07:25,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:07:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 6793 transitions. [2020-10-12 19:07:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 19:07:25,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:25,465 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:25,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 19:07:25,465 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:25,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:25,466 INFO L82 PathProgramCache]: Analyzing trace with hash -801143478, now seen corresponding path program 1 times [2020-10-12 19:07:25,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:25,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645975687] [2020-10-12 19:07:25,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:25,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:25,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:25,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:25,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:25,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:25,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:27,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:27,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:27,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:29,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-12 19:07:30,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 19:07:30,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 19:07:30,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 19:07:30,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 19:07:30,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 19:07:30,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:30,644 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:30,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:30,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:30,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:30,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:30,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:30,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:30,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:30,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:30,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:30,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:30,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:30,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:30,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:30,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:30,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:30,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:30,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:30,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:30,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:30,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:30,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:30,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:30,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:30,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:30,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:30,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:30,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:30,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:07:30,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:30,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:30,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:30,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:30,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:30,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:30,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:30,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:30,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:30,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:30,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:30,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:30,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:30,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:30,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:30,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:07:30,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:30,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:30,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:30,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:30,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:30,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:07:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:30,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:30,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:30,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 19:07:30,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 19:07:30,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:30,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:30,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:30,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:30,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:30,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:30,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:30,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 19:07:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:30,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:30,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:30,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:30,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:30,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:30,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:30,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:30,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:30,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 19:07:30,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:31,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:31,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:31,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:31,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:31,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:07:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:31,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:31,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:31,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:31,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:31,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:31,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 19:07:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:31,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:31,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:31,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:31,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:31,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:31,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:07:31,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:31,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 19:07:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:31,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:31,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:31,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:31,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:31,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:31,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:31,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:31,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:31,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 19:07:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:31,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:31,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:31,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:31,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:31,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:31,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:31,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:31,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:31,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 19:07:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:31,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:31,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:31,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:31,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:31,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:31,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:07:31,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:31,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:31,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 19:07:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:31,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:31,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:31,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:31,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:31,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:31,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 19:07:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:31,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:31,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:31,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:31,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:31,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:31,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:31,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:31,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:31,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 19:07:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:31,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:31,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:31,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:31,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:31,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:31,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:31,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:31,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 19:07:31,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1645975687] [2020-10-12 19:07:31,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:31,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-12 19:07:31,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77488359] [2020-10-12 19:07:31,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 19:07:31,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:31,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 19:07:31,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-10-12 19:07:31,123 INFO L87 Difference]: Start difference. First operand 5170 states and 6793 transitions. Second operand 19 states. [2020-10-12 19:07:31,464 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:07:32,785 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-10-12 19:07:33,267 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:07:36,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:36,694 INFO L93 Difference]: Finished difference Result 9489 states and 12519 transitions. [2020-10-12 19:07:36,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 19:07:36,695 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 158 [2020-10-12 19:07:36,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:36,717 INFO L225 Difference]: With dead ends: 9489 [2020-10-12 19:07:36,717 INFO L226 Difference]: Without dead ends: 5244 [2020-10-12 19:07:36,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=448, Invalid=1714, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 19:07:36,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5244 states. [2020-10-12 19:07:37,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5244 to 5176. [2020-10-12 19:07:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5176 states. [2020-10-12 19:07:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 6801 transitions. [2020-10-12 19:07:37,363 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 6801 transitions. Word has length 158 [2020-10-12 19:07:37,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:37,363 INFO L479 AbstractCegarLoop]: Abstraction has 5176 states and 6801 transitions. [2020-10-12 19:07:37,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 19:07:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 6801 transitions. [2020-10-12 19:07:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 19:07:37,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:37,368 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:37,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 19:07:37,368 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:37,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:37,368 INFO L82 PathProgramCache]: Analyzing trace with hash -30409912, now seen corresponding path program 1 times [2020-10-12 19:07:37,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:37,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300512636] [2020-10-12 19:07:37,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:37,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:37,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:38,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-12 19:07:39,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 19:07:39,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1800 [2020-10-12 19:07:39,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 19:07:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 19:07:39,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,340 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:39,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:39,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:39,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:39,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:39,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:39,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:39,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:39,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:39,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:07:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:39,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:07:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:39,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:39,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-12 19:07:39,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:39,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:39,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 19:07:39,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:39,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:39,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:39,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 19:07:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:39,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:39,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 19:07:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:39,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:07:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:39,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:39,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 19:07:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:39,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:07:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 19:07:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:39,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:39,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 19:07:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:39,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 19:07:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:39,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:07:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 19:07:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:39,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:39,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 19:07:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:39,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 19:07:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:39,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:39,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 19:07:39,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300512636] [2020-10-12 19:07:39,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:39,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:07:39,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274800463] [2020-10-12 19:07:39,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:07:39,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:39,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:07:39,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:07:39,836 INFO L87 Difference]: Start difference. First operand 5176 states and 6801 transitions. Second operand 16 states. [2020-10-12 19:07:39,997 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 19:07:41,587 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-12 19:07:44,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:44,306 INFO L93 Difference]: Finished difference Result 9697 states and 12784 transitions. [2020-10-12 19:07:44,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 19:07:44,308 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 158 [2020-10-12 19:07:44,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:44,330 INFO L225 Difference]: With dead ends: 9697 [2020-10-12 19:07:44,330 INFO L226 Difference]: Without dead ends: 4757 [2020-10-12 19:07:44,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 19:07:44,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4757 states. [2020-10-12 19:07:45,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4757 to 4110. [2020-10-12 19:07:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4110 states. [2020-10-12 19:07:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 5405 transitions. [2020-10-12 19:07:45,066 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 5405 transitions. Word has length 158 [2020-10-12 19:07:45,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:45,066 INFO L479 AbstractCegarLoop]: Abstraction has 4110 states and 5405 transitions. [2020-10-12 19:07:45,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:07:45,067 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 5405 transitions. [2020-10-12 19:07:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 19:07:45,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:45,069 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:45,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 19:07:45,069 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:45,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:45,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1010877190, now seen corresponding path program 1 times [2020-10-12 19:07:45,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:45,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349751199] [2020-10-12 19:07:45,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:45,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:45,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:45,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:45,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:45,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 19:07:45,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:45,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 817 [2020-10-12 19:07:45,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:45,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:07:45,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 19:07:45,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-12 19:07:45,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,076 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:46,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:46,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:46,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:46,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:46,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:46,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:46,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:46,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:46,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:46,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:46,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:46,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:46,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:46,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:46,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:46,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:46,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:07:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:46,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:46,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:07:46,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:46,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:46,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:07:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:46,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:46,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:46,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:07:46,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:46,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:46,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:07:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:46,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:46,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:07:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:46,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:46,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:46,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:46,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 19:07:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:46,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:46,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:46,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 19:07:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:46,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:46,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 19:07:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:46,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 19:07:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:46,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:46,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:46,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 19:07:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:46,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:46,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 19:07:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:46,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:46,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:46,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:46,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:46,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:46,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:46,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-12 19:07:46,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349751199] [2020-10-12 19:07:46,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:46,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 19:07:46,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264936665] [2020-10-12 19:07:46,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 19:07:46,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:46,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 19:07:46,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-10-12 19:07:46,465 INFO L87 Difference]: Start difference. First operand 4110 states and 5405 transitions. Second operand 17 states. [2020-10-12 19:07:46,672 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:07:46,842 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:07:47,779 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 19:07:48,747 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-12 19:07:49,595 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:07:49,754 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:07:49,932 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-12 19:07:50,111 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-12 19:07:54,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:54,063 INFO L93 Difference]: Finished difference Result 9123 states and 12179 transitions. [2020-10-12 19:07:54,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 19:07:54,065 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 153 [2020-10-12 19:07:54,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:54,081 INFO L225 Difference]: With dead ends: 9123 [2020-10-12 19:07:54,082 INFO L226 Difference]: Without dead ends: 5345 [2020-10-12 19:07:54,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=409, Invalid=1231, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 19:07:54,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5345 states. [2020-10-12 19:07:54,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5345 to 3389. [2020-10-12 19:07:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3389 states. [2020-10-12 19:07:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4413 transitions. [2020-10-12 19:07:54,637 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4413 transitions. Word has length 153 [2020-10-12 19:07:54,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:54,638 INFO L479 AbstractCegarLoop]: Abstraction has 3389 states and 4413 transitions. [2020-10-12 19:07:54,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 19:07:54,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4413 transitions. [2020-10-12 19:07:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 19:07:54,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:54,640 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:54,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 19:07:54,640 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:54,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:54,640 INFO L82 PathProgramCache]: Analyzing trace with hash 166286260, now seen corresponding path program 1 times [2020-10-12 19:07:54,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:54,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [547235361] [2020-10-12 19:07:54,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:54,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:54,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:54,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-12 19:07:54,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-12 19:07:54,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-10-12 19:07:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,052 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:55,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:55,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:55,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:55,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:55,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:55,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:55,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:55,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:55,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:55,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:55,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:55,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:55,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:55,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:55,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:07:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:55,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:55,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:55,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:55,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:07:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:55,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:55,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:55,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:55,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:07:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:55,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:55,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 19:07:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:55,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:55,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 19:07:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:55,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:55,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 19:07:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:55,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:55,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 19:07:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:55,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:55,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 19:07:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:55,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:55,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 19:07:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:55,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:55,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 19:07:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:55,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:55,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:55,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:55,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:55,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:55,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:55,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:55,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 19:07:55,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [547235361] [2020-10-12 19:07:55,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:55,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:07:55,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678087598] [2020-10-12 19:07:55,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:07:55,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:55,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:07:55,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:07:55,326 INFO L87 Difference]: Start difference. First operand 3389 states and 4413 transitions. Second operand 13 states. [2020-10-12 19:07:56,914 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:07:57,053 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:07:58,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:58,133 INFO L93 Difference]: Finished difference Result 6583 states and 8676 transitions. [2020-10-12 19:07:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:07:58,133 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 154 [2020-10-12 19:07:58,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:58,145 INFO L225 Difference]: With dead ends: 6583 [2020-10-12 19:07:58,145 INFO L226 Difference]: Without dead ends: 3539 [2020-10-12 19:07:58,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:07:58,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states. [2020-10-12 19:07:58,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3539. [2020-10-12 19:07:58,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3539 states. [2020-10-12 19:07:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 4538 transitions. [2020-10-12 19:07:58,675 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 4538 transitions. Word has length 154 [2020-10-12 19:07:58,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:58,675 INFO L479 AbstractCegarLoop]: Abstraction has 3539 states and 4538 transitions. [2020-10-12 19:07:58,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:07:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 4538 transitions. [2020-10-12 19:07:58,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 19:07:58,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:58,677 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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, 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, 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, 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 19:07:58,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 19:07:58,678 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:58,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:58,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1523034623, now seen corresponding path program 1 times [2020-10-12 19:07:58,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:58,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111011170] [2020-10-12 19:07:58,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:58,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 19:07:59,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:59,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 634 [2020-10-12 19:07:59,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:07:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 19:07:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-12 19:07:59,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,499 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:59,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:59,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:59,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:59,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:59,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 19:07:59,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:59,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:59,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:59,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:59,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:07:59,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:59,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:59,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:59,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:07:59,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:07:59,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:59,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:59,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:07:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:59,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 19:07:59,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:07:59,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:59,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 19:07:59,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:59,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:59,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:07:59,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:07:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:59,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:59,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:07:59,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:59,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:59,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:07:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:59,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:59,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 19:07:59,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 19:07:59,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-12 19:07:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:07:59,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:59,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:59,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:59,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:59,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:07:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:59,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:59,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 19:07:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:59,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:59,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 19:07:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:59,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:59,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 19:07:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:59,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:59,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:59,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 19:07:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:59,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:59,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:59,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:59,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:59,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 19:07:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:59,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:59,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:59,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:59,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:59,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:59,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:59,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:59,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:59,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:59,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,019 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 19:08:00,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111011170] [2020-10-12 19:08:00,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:08:00,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-12 19:08:00,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146451595] [2020-10-12 19:08:00,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 19:08:00,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:00,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 19:08:00,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-12 19:08:00,021 INFO L87 Difference]: Start difference. First operand 3539 states and 4538 transitions. Second operand 19 states. [2020-10-12 19:08:00,352 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-12 19:08:00,534 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:08:01,799 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:08:02,601 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:08:02,969 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:08:03,139 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:08:05,144 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:08:05,775 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:08:06,008 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:08:06,189 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-12 19:08:06,442 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-12 19:08:08,597 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-12 19:08:09,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:09,972 INFO L93 Difference]: Finished difference Result 9924 states and 12685 transitions. [2020-10-12 19:08:09,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-12 19:08:09,973 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 159 [2020-10-12 19:08:09,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:09,990 INFO L225 Difference]: With dead ends: 9924 [2020-10-12 19:08:09,991 INFO L226 Difference]: Without dead ends: 6679 [2020-10-12 19:08:09,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=614, Invalid=2248, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 19:08:10,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6679 states. [2020-10-12 19:08:10,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 4843. [2020-10-12 19:08:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4843 states. [2020-10-12 19:08:10,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 4843 states and 6162 transitions. [2020-10-12 19:08:10,661 INFO L78 Accepts]: Start accepts. Automaton has 4843 states and 6162 transitions. Word has length 159 [2020-10-12 19:08:10,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:10,661 INFO L479 AbstractCegarLoop]: Abstraction has 4843 states and 6162 transitions. [2020-10-12 19:08:10,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 19:08:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4843 states and 6162 transitions. [2020-10-12 19:08:10,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 19:08:10,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:10,663 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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, 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, 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, 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, 1, 1] [2020-10-12 19:08:10,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 19:08:10,663 INFO L427 AbstractCegarLoop]: === Iteration 26 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:10,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:10,663 INFO L82 PathProgramCache]: Analyzing trace with hash -251273450, now seen corresponding path program 1 times [2020-10-12 19:08:10,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:10,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786144776] [2020-10-12 19:08:10,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:10,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:10,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-12 19:08:11,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:08:11,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-12 19:08:11,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-10-12 19:08:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:08:11,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,278 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:08:11,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:11,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:11,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:11,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:11,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:08:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:11,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:11,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:08:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:11,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:11,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:11,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:11,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:08:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:08:11,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:11,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:11,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:11,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:08:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:08:11,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:11,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:11,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:11,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:08:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:08:11,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:11,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:11,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:11,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:08:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:11,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:11,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:08:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-12 19:08:11,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 19:08:11,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:11,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 19:08:11,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:11,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:11,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:08:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:11,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:11,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:08:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:11,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:11,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 19:08:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:11,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:11,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 19:08:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:11,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:11,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 19:08:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:11,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:11,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 19:08:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:11,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:11,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 19:08:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:11,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:11,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:11,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:11,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:11,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 19:08:11,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786144776] [2020-10-12 19:08:11,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:08:11,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:08:11,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268995563] [2020-10-12 19:08:11,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:08:11,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:11,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:08:11,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:08:11,659 INFO L87 Difference]: Start difference. First operand 4843 states and 6162 transitions. Second operand 16 states. [2020-10-12 19:08:12,948 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-12 19:08:13,600 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:08:13,782 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:08:13,967 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:08:15,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:15,463 INFO L93 Difference]: Finished difference Result 5288 states and 6787 transitions. [2020-10-12 19:08:15,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 19:08:15,464 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 162 [2020-10-12 19:08:15,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:15,477 INFO L225 Difference]: With dead ends: 5288 [2020-10-12 19:08:15,477 INFO L226 Difference]: Without dead ends: 5286 [2020-10-12 19:08:15,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2020-10-12 19:08:15,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5286 states. [2020-10-12 19:08:16,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5286 to 4852. [2020-10-12 19:08:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4852 states. [2020-10-12 19:08:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4852 states to 4852 states and 6177 transitions. [2020-10-12 19:08:16,094 INFO L78 Accepts]: Start accepts. Automaton has 4852 states and 6177 transitions. Word has length 162 [2020-10-12 19:08:16,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:16,095 INFO L479 AbstractCegarLoop]: Abstraction has 4852 states and 6177 transitions. [2020-10-12 19:08:16,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:08:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4852 states and 6177 transitions. [2020-10-12 19:08:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 19:08:16,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:16,096 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 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, 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, 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, 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 19:08:16,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 19:08:16,096 INFO L427 AbstractCegarLoop]: === Iteration 27 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:16,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:16,097 INFO L82 PathProgramCache]: Analyzing trace with hash 702277462, now seen corresponding path program 1 times [2020-10-12 19:08:16,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:16,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557954751] [2020-10-12 19:08:16,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:16,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:16,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:16,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-12 19:08:17,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:17,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1343 [2020-10-12 19:08:17,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:08:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 19:08:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-12 19:08:17,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,635 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:08:17,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:17,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:17,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:17,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:17,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:17,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:08:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:17,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:17,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:08:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:17,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:17,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:08:17,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:17,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:17,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:17,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:08:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:08:17,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:08:17,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:08:17,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:17,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:17,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:17,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:08:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:08:17,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:08:17,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:08:17,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:17,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:17,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:08:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:08:17,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:08:17,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:08:17,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:17,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 19:08:17,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:17,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:17,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:17,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 19:08:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:17,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:17,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:17,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:17,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 19:08:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:17,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:17,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:17,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 19:08:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:17,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:17,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:17,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 19:08:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:17,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:17,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:17,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 19:08:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:17,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:17,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:17,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 19:08:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:17,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:17,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:17,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:17,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:17,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:17,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:17,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:17,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:17,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:17,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:17,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 19:08:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:18,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:18,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:18,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:18,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:18,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:18,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:18,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:18,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:18,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:18,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:18,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 19:08:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:18,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:18,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:18,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:18,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:18,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:18,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:18,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:18,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 19:08:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:18,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:18,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:18,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:18,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:18,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:18,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:18,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:18,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:18,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:18,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 19:08:18,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557954751] [2020-10-12 19:08:18,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:08:18,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 19:08:18,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535743516] [2020-10-12 19:08:18,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 19:08:18,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:18,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 19:08:18,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 19:08:18,061 INFO L87 Difference]: Start difference. First operand 4852 states and 6177 transitions. Second operand 18 states. [2020-10-12 19:08:18,289 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:08:18,584 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 136 [2020-10-12 19:08:18,844 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-12 19:08:19,068 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-10-12 19:08:19,207 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-10-12 19:08:19,519 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-10-12 19:08:19,653 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-10-12 19:08:19,996 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2020-10-12 19:08:20,296 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:08:20,919 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:08:21,080 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:08:21,233 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:08:23,335 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:08:23,682 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:08:25,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:25,404 INFO L93 Difference]: Finished difference Result 9533 states and 12162 transitions. [2020-10-12 19:08:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 19:08:25,404 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 163 [2020-10-12 19:08:25,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:25,419 INFO L225 Difference]: With dead ends: 9533 [2020-10-12 19:08:25,419 INFO L226 Difference]: Without dead ends: 5023 [2020-10-12 19:08:25,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=514, Invalid=1648, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 19:08:25,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states. [2020-10-12 19:08:26,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 4593. [2020-10-12 19:08:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4593 states. [2020-10-12 19:08:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4593 states to 4593 states and 5822 transitions. [2020-10-12 19:08:26,015 INFO L78 Accepts]: Start accepts. Automaton has 4593 states and 5822 transitions. Word has length 163 [2020-10-12 19:08:26,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:26,015 INFO L479 AbstractCegarLoop]: Abstraction has 4593 states and 5822 transitions. [2020-10-12 19:08:26,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 19:08:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 4593 states and 5822 transitions. [2020-10-12 19:08:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-12 19:08:26,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:26,018 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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 19:08:26,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-12 19:08:26,018 INFO L427 AbstractCegarLoop]: === Iteration 28 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:26,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:26,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1428476019, now seen corresponding path program 1 times [2020-10-12 19:08:26,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:26,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492404092] [2020-10-12 19:08:26,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:26,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:26,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:26,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking...