/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_2.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 19:05:01,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 19:05:01,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 19:05:01,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 19:05:01,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 19:05:01,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 19:05:01,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 19:05:01,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 19:05:01,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 19:05:01,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 19:05:01,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 19:05:01,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 19:05:01,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 19:05:01,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 19:05:01,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 19:05:01,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 19:05:01,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 19:05:01,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 19:05:01,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 19:05:01,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 19:05:01,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 19:05:01,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 19:05:01,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 19:05:01,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 19:05:01,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 19:05:01,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 19:05:01,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 19:05:01,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 19:05:01,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 19:05:01,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 19:05:01,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 19:05:01,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 19:05:01,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 19:05:01,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 19:05:01,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 19:05:01,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 19:05:01,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 19:05:01,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 19:05:01,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 19:05:01,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 19:05:01,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 19:05:01,761 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 19:05:01,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 19:05:01,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 19:05:01,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 19:05:01,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 19:05:01,806 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 19:05:01,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 19:05:01,807 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 19:05:01,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 19:05:01,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 19:05:01,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 19:05:01,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 19:05:01,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 19:05:01,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 19:05:01,808 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 19:05:01,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 19:05:01,808 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 19:05:01,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 19:05:01,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 19:05:01,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 19:05:01,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 19:05:01,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 19:05:01,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 19:05:01,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 19:05:01,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 19:05:01,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 19:05:01,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 19:05:01,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 19:05:01,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 19:05:01,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 19:05:01,811 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 19:05:02,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 19:05:02,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 19:05:02,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 19:05:02,112 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 19:05:02,113 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 19:05:02,113 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2020-10-12 19:05:02,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d5908e6c/dee67515424148dbabaeddddd2ec0418/FLAG252eeaa81 [2020-10-12 19:05:02,645 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 19:05:02,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2020-10-12 19:05:02,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d5908e6c/dee67515424148dbabaeddddd2ec0418/FLAG252eeaa81 [2020-10-12 19:05:02,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d5908e6c/dee67515424148dbabaeddddd2ec0418 [2020-10-12 19:05:02,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 19:05:02,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 19:05:02,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 19:05:02,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 19:05:02,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 19:05:02,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:05:02" (1/1) ... [2020-10-12 19:05:02,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e1689a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:02, skipping insertion in model container [2020-10-12 19:05:02,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:05:02" (1/1) ... [2020-10-12 19:05:02,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 19:05:03,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 19:05:03,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 19:05:03,343 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 19:05:03,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 19:05:03,540 INFO L208 MainTranslator]: Completed translation [2020-10-12 19:05:03,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:03 WrapperNode [2020-10-12 19:05:03,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 19:05:03,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 19:05:03,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 19:05:03,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 19:05:03,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:03" (1/1) ... [2020-10-12 19:05:03,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:03" (1/1) ... [2020-10-12 19:05:03,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:03" (1/1) ... [2020-10-12 19:05:03,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:03" (1/1) ... [2020-10-12 19:05:03,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:03" (1/1) ... [2020-10-12 19:05:03,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:03" (1/1) ... [2020-10-12 19:05:03,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:03" (1/1) ... [2020-10-12 19:05:03,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 19:05:03,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 19:05:03,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 19:05:03,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 19:05:03,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:03" (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 19:05:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 19:05:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 19:05:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 19:05:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-10-12 19:05:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-10-12 19:05:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-10-12 19:05:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-10-12 19:05:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-10-12 19:05:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-10-12 19:05:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-10-12 19:05:03,700 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-10-12 19:05:03,700 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-12 19:05:03,700 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-10-12 19:05:03,700 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-10-12 19:05:03,700 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-10-12 19:05:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-10-12 19:05:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-10-12 19:05:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-12 19:05:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 19:05:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-12 19:05:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 19:05:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 19:05:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 19:05:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-12 19:05:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-12 19:05:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-12 19:05:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 19:05:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 19:05:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-10-12 19:05:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-10-12 19:05:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-10-12 19:05:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-10-12 19:05:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-10-12 19:05:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-10-12 19:05:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-10-12 19:05:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-10-12 19:05:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-12 19:05:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-10-12 19:05:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-10-12 19:05:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-10-12 19:05:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-10-12 19:05:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-10-12 19:05:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-12 19:05:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 19:05:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 19:05:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 19:05:04,475 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 19:05:04,475 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 19:05:04,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:05:04 BoogieIcfgContainer [2020-10-12 19:05:04,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 19:05:04,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 19:05:04,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 19:05:04,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 19:05:04,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 07:05:02" (1/3) ... [2020-10-12 19:05:04,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f27b43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:05:04, skipping insertion in model container [2020-10-12 19:05:04,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:05:03" (2/3) ... [2020-10-12 19:05:04,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f27b43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:05:04, skipping insertion in model container [2020-10-12 19:05:04,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:05:04" (3/3) ... [2020-10-12 19:05:04,490 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.4_2.ufo.BOUNDED-10.pals.c [2020-10-12 19:05:04,501 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 19:05:04,508 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 19:05:04,522 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 19:05:04,549 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 19:05:04,549 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 19:05:04,549 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 19:05:04,549 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 19:05:04,550 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 19:05:04,550 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 19:05:04,550 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 19:05:04,550 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 19:05:04,574 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states. [2020-10-12 19:05:04,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-12 19:05:04,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:04,586 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 19:05:04,586 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:04,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:04,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1541207534, now seen corresponding path program 1 times [2020-10-12 19:05:04,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:04,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1620889063] [2020-10-12 19:05:04,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:04,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:05,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:05,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:05,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:05,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:05,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:05,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 19:05:06,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 19:05:06,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1828 [2020-10-12 19:05:06,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:05:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 19:05:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:05:06,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 19:05:06,913 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:06,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:06,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:05:06,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:06,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:06,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:06,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:06,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:06,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:06,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:06,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 19:05:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:06,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:06,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:06,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:05:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:06,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:06,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:06,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 19:05:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:06,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:07,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:07,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 19:05:07,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:05:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:05:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:07,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:07,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:07,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:07,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:07,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:07,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:07,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:07,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:07,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:07,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:07,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:05:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:07,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:07,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:07,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:05:07,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 19:05:07,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:07,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:07,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 19:05:07,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:07,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:07,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:07,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:07,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:07,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:07,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:07,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 19:05:07,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:05:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:07,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:07,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:07,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:05:07,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 19:05:07,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:07,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 19:05:07,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:07,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:07,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:07,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:07,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:07,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:07,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:07,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:07,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:07,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:07,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:07,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:07,345 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 19:05:07,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1620889063] [2020-10-12 19:05:07,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:07,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:05:07,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549050067] [2020-10-12 19:05:07,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:05:07,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:07,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:05:07,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:05:07,377 INFO L87 Difference]: Start difference. First operand 243 states. Second operand 13 states. [2020-10-12 19:05:07,869 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 19:05:10,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:10,261 INFO L93 Difference]: Finished difference Result 484 states and 738 transitions. [2020-10-12 19:05:10,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 19:05:10,263 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 71 [2020-10-12 19:05:10,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:10,279 INFO L225 Difference]: With dead ends: 484 [2020-10-12 19:05:10,279 INFO L226 Difference]: Without dead ends: 259 [2020-10-12 19:05:10,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:05:10,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-12 19:05:10,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 256. [2020-10-12 19:05:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-12 19:05:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 363 transitions. [2020-10-12 19:05:10,403 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 363 transitions. Word has length 71 [2020-10-12 19:05:10,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:10,404 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 363 transitions. [2020-10-12 19:05:10,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:05:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 363 transitions. [2020-10-12 19:05:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-12 19:05:10,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:10,416 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 19:05:10,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 19:05:10,416 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:10,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:10,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1402088788, now seen corresponding path program 1 times [2020-10-12 19:05:10,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:10,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444201050] [2020-10-12 19:05:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:10,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:10,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:11,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:11,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 19:05:11,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:05:11,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1061 [2020-10-12 19:05:11,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:05:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 19:05:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:05:11,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:11,718 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:11,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:11,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:11,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:11,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:11,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:05:11,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:11,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:11,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:11,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:11,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:11,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:11,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:11,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:11,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:11,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:11,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:11,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:05:11,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:11,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 19:05:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:11,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:11,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:11,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:11,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:11,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:11,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:05:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:05:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:11,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 19:05:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:11,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:11,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:11,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:11,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:11,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:05:11,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:11,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:11,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 19:05:11,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:11,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:11,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:11,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:11,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:11,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:11,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:11,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:11,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:11,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:11,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 19:05:11,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:05:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:11,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:11,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:11,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:11,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:11,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:05:11,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:11,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:11,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 19:05:11,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:11,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:11,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:11,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:11,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:11,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:11,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:11,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:12,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:05:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:12,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:12,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:12,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:12,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:12,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:05:12,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 19:05:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:12,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:12,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:12,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:12,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:12,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:12,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:12,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:05:12,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:12,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:12,103 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 19:05:12,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444201050] [2020-10-12 19:05:12,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:12,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 19:05:12,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734003318] [2020-10-12 19:05:12,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 19:05:12,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:12,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 19:05:12,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-12 19:05:12,110 INFO L87 Difference]: Start difference. First operand 256 states and 363 transitions. Second operand 14 states. [2020-10-12 19:05:12,312 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:12,533 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:05:12,740 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:05:15,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:15,101 INFO L93 Difference]: Finished difference Result 499 states and 708 transitions. [2020-10-12 19:05:15,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 19:05:15,102 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 71 [2020-10-12 19:05:15,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:15,111 INFO L225 Difference]: With dead ends: 499 [2020-10-12 19:05:15,111 INFO L226 Difference]: Without dead ends: 266 [2020-10-12 19:05:15,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-10-12 19:05:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-12 19:05:15,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 256. [2020-10-12 19:05:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-12 19:05:15,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 351 transitions. [2020-10-12 19:05:15,165 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 351 transitions. Word has length 71 [2020-10-12 19:05:15,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:15,166 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 351 transitions. [2020-10-12 19:05:15,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 19:05:15,166 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 351 transitions. [2020-10-12 19:05:15,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-12 19:05:15,169 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:15,169 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 19:05:15,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 19:05:15,170 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:15,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:15,170 INFO L82 PathProgramCache]: Analyzing trace with hash 595550613, now seen corresponding path program 1 times [2020-10-12 19:05:15,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:15,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55682189] [2020-10-12 19:05:15,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:15,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:15,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:15,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 19:05:15,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-12 19:05:15,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-12 19:05:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:05:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:15,767 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:15,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:15,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:15,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:15,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:15,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:15,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:15,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:15,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:15,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:15,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:15,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:15,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:05:15,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:15,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:15,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:15,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:15,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:15,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:15,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:15,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:15,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:15,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:15,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:15,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:15,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:15,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:15,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:15,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:15,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:15,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:05:15,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:15,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:15,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:15,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:15,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:15,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:15,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:15,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:15,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:15,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:15,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:15,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:15,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:15,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:15,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:15,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:15,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:15,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:15,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:15,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:15,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:15,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:15,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:15,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:15,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:15,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:15,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:15,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:15,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:15,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:15,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:15,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:15,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:15,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:15,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:15,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:16,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:16,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:16,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:16,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:16,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:16,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:16,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:16,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:16,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:16,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:16,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:16,025 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 19:05:16,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55682189] [2020-10-12 19:05:16,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:16,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 19:05:16,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959175926] [2020-10-12 19:05:16,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 19:05:16,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:16,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 19:05:16,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-12 19:05:16,027 INFO L87 Difference]: Start difference. First operand 256 states and 351 transitions. Second operand 11 states. [2020-10-12 19:05:16,946 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:17,096 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-12 19:05:18,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:18,246 INFO L93 Difference]: Finished difference Result 480 states and 673 transitions. [2020-10-12 19:05:18,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 19:05:18,248 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-10-12 19:05:18,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:18,253 INFO L225 Difference]: With dead ends: 480 [2020-10-12 19:05:18,254 INFO L226 Difference]: Without dead ends: 252 [2020-10-12 19:05:18,256 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 19:05:18,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-10-12 19:05:18,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2020-10-12 19:05:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-10-12 19:05:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 342 transitions. [2020-10-12 19:05:18,309 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 342 transitions. Word has length 82 [2020-10-12 19:05:18,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:18,311 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 342 transitions. [2020-10-12 19:05:18,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 19:05:18,311 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 342 transitions. [2020-10-12 19:05:18,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-12 19:05:18,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:18,317 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 19:05:18,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 19:05:18,317 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:18,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:18,317 INFO L82 PathProgramCache]: Analyzing trace with hash -908457492, now seen corresponding path program 1 times [2020-10-12 19:05:18,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:18,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982277690] [2020-10-12 19:05:18,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:18,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:18,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:18,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 19:05:20,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:05:20,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1698 [2020-10-12 19:05:20,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:05:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 19:05:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 19:05:20,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,252 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:20,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:20,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:05:20,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:05:20,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:20,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:05:20,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:05:20,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:20,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:20,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:20,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:20,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 19:05:20,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:05:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:20,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:20,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:20,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:20,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 19:05:20,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:20,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:20,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:20,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:20,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:20,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 19:05:20,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:20,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:20,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:20,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:20,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 19:05:20,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 19:05:20,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:05:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:05:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 19:05:20,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:20,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:20,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:05:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:20,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:20,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 19:05:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:20,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:20,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:20,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:20,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:20,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:05:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:20,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:20,739 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 19:05:20,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982277690] [2020-10-12 19:05:20,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:20,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:05:20,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562456685] [2020-10-12 19:05:20,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:05:20,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:20,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:05:20,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:05:20,743 INFO L87 Difference]: Start difference. First operand 252 states and 342 transitions. Second operand 16 states. [2020-10-12 19:05:20,886 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:21,190 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:05:24,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:24,684 INFO L93 Difference]: Finished difference Result 572 states and 784 transitions. [2020-10-12 19:05:24,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 19:05:24,685 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 104 [2020-10-12 19:05:24,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:24,690 INFO L225 Difference]: With dead ends: 572 [2020-10-12 19:05:24,691 INFO L226 Difference]: Without dead ends: 348 [2020-10-12 19:05:24,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=338, Invalid=994, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 19:05:24,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-10-12 19:05:24,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 345. [2020-10-12 19:05:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-10-12 19:05:24,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 462 transitions. [2020-10-12 19:05:24,730 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 462 transitions. Word has length 104 [2020-10-12 19:05:24,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:24,731 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 462 transitions. [2020-10-12 19:05:24,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:05:24,731 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 462 transitions. [2020-10-12 19:05:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-12 19:05:24,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:24,733 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 19:05:24,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 19:05:24,733 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:24,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:24,734 INFO L82 PathProgramCache]: Analyzing trace with hash 848495626, now seen corresponding path program 1 times [2020-10-12 19:05:24,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:24,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700564740] [2020-10-12 19:05:24,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:24,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:24,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:25,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 19:05:27,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:05:27,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2330 [2020-10-12 19:05:27,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:05:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 19:05:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-12 19:05:27,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:27,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:05:27,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:27,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:05:27,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:27,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:27,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:05:27,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:27,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:27,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:27,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:27,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:27,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:05:27,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:05:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:27,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:27,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:27,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:27,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:27,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 19:05:27,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:27,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:27,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:27,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:27,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:27,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:05:27,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:27,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:27,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:27,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:27,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 19:05:27,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 19:05:27,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:05:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:05:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:05:27,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:27,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:27,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:27,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 19:05:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:27,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:27,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:27,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:27,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:27,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 19:05:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:27,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:27,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:27,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:27,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:27,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:27,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:05:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:27,738 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 19:05:27,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700564740] [2020-10-12 19:05:27,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:27,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:05:27,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951199608] [2020-10-12 19:05:27,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:05:27,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:27,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:05:27,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:05:27,740 INFO L87 Difference]: Start difference. First operand 345 states and 462 transitions. Second operand 16 states. [2020-10-12 19:05:27,895 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:28,185 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:05:31,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:31,582 INFO L93 Difference]: Finished difference Result 578 states and 788 transitions. [2020-10-12 19:05:31,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 19:05:31,582 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 105 [2020-10-12 19:05:31,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:31,587 INFO L225 Difference]: With dead ends: 578 [2020-10-12 19:05:31,587 INFO L226 Difference]: Without dead ends: 348 [2020-10-12 19:05:31,589 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 19:05:31,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-10-12 19:05:31,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 345. [2020-10-12 19:05:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-10-12 19:05:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 461 transitions. [2020-10-12 19:05:31,625 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 461 transitions. Word has length 105 [2020-10-12 19:05:31,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:31,626 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 461 transitions. [2020-10-12 19:05:31,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:05:31,626 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 461 transitions. [2020-10-12 19:05:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-12 19:05:31,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:31,628 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] [2020-10-12 19:05:31,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 19:05:31,628 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:31,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:31,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1682647394, now seen corresponding path program 1 times [2020-10-12 19:05:31,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:31,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494969661] [2020-10-12 19:05:31,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:31,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:31,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 19:05:32,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:05:32,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 437 [2020-10-12 19:05:32,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-12 19:05:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:32,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:32,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:05:32,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:32,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:32,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:32,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:32,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:32,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:05:32,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:32,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:32,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:32,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:05:32,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:32,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:32,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:32,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:32,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:32,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:32,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:05:32,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:32,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:32,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:32,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:05:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:32,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:32,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 19:05:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:32,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:32,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:32,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:32,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:32,598 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 19:05:32,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494969661] [2020-10-12 19:05:32,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:32,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:05:32,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186735022] [2020-10-12 19:05:32,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:05:32,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:32,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:05:32,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:05:32,601 INFO L87 Difference]: Start difference. First operand 345 states and 461 transitions. Second operand 13 states. [2020-10-12 19:05:33,948 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:34,111 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-12 19:05:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:35,085 INFO L93 Difference]: Finished difference Result 577 states and 787 transitions. [2020-10-12 19:05:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:05:35,086 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 108 [2020-10-12 19:05:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:35,090 INFO L225 Difference]: With dead ends: 577 [2020-10-12 19:05:35,090 INFO L226 Difference]: Without dead ends: 350 [2020-10-12 19:05:35,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 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 19:05:35,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-10-12 19:05:35,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2020-10-12 19:05:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-10-12 19:05:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 465 transitions. [2020-10-12 19:05:35,141 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 465 transitions. Word has length 108 [2020-10-12 19:05:35,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:35,142 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 465 transitions. [2020-10-12 19:05:35,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:05:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 465 transitions. [2020-10-12 19:05:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-12 19:05:35,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:35,145 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] [2020-10-12 19:05:35,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 19:05:35,145 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:35,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:35,145 INFO L82 PathProgramCache]: Analyzing trace with hash 881015290, now seen corresponding path program 1 times [2020-10-12 19:05:35,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:35,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100747771] [2020-10-12 19:05:35,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-12 19:05:35,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:05:35,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-12 19:05:35,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-12 19:05:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:35,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,737 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:35,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:35,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:35,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:35,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:35,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:35,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:35,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:35,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:35,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:35,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:35,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:35,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:35,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:35,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:35,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:35,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:35,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:35,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:35,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:05:35,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:05:35,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:35,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:35,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:35,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:35,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:35,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:35,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:35,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:05:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:35,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:36,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:36,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:36,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:36,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:36,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:36,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:36,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 19:05:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:36,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:36,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:36,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:36,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:36,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:36,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:36,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:36,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 19:05:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:36,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:36,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:36,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:36,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:36,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:36,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:36,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:36,035 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 19:05:36,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100747771] [2020-10-12 19:05:36,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:36,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:05:36,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093857948] [2020-10-12 19:05:36,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:05:36,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:36,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:05:36,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:05:36,038 INFO L87 Difference]: Start difference. First operand 350 states and 465 transitions. Second operand 13 states. [2020-10-12 19:05:37,451 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:05:37,595 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:05:38,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:38,507 INFO L93 Difference]: Finished difference Result 587 states and 798 transitions. [2020-10-12 19:05:38,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:05:38,508 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 116 [2020-10-12 19:05:38,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:38,511 INFO L225 Difference]: With dead ends: 587 [2020-10-12 19:05:38,512 INFO L226 Difference]: Without dead ends: 355 [2020-10-12 19:05:38,515 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 19:05:38,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-10-12 19:05:38,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2020-10-12 19:05:38,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-10-12 19:05:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 469 transitions. [2020-10-12 19:05:38,561 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 469 transitions. Word has length 116 [2020-10-12 19:05:38,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:38,562 INFO L479 AbstractCegarLoop]: Abstraction has 355 states and 469 transitions. [2020-10-12 19:05:38,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:05:38,562 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 469 transitions. [2020-10-12 19:05:38,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-12 19:05:38,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:38,564 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] [2020-10-12 19:05:38,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 19:05:38,564 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:38,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:38,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1820916356, now seen corresponding path program 1 times [2020-10-12 19:05:38,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:38,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796468437] [2020-10-12 19:05:38,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:38,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:38,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-12 19:05:39,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:05:39,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-10-12 19:05:39,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:39,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-12 19:05:39,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:05:39,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,239 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:39,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:39,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:05:39,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:39,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:39,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:39,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:39,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:39,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:39,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:39,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:39,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:39,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:05:39,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:39,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:39,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:39,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:05:39,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:39,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:39,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:39,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:05:39,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:39,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:39,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:39,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:39,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:05:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:39,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:39,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 19:05:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:39,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:39,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 19:05:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:39,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:39,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 29 [2020-10-12 19:05:39,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 19:05:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:39,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:39,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:39,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:39,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:39,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:39,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:39,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:39,643 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 19:05:39,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796468437] [2020-10-12 19:05:39,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:39,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:05:39,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186280127] [2020-10-12 19:05:39,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:05:39,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:39,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:05:39,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:05:39,646 INFO L87 Difference]: Start difference. First operand 355 states and 469 transitions. Second operand 13 states. [2020-10-12 19:05:41,302 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:41,453 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:05:42,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:42,263 INFO L93 Difference]: Finished difference Result 596 states and 802 transitions. [2020-10-12 19:05:42,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:05:42,264 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 124 [2020-10-12 19:05:42,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:42,268 INFO L225 Difference]: With dead ends: 596 [2020-10-12 19:05:42,268 INFO L226 Difference]: Without dead ends: 359 [2020-10-12 19:05:42,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 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 19:05:42,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-10-12 19:05:42,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2020-10-12 19:05:42,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-10-12 19:05:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 472 transitions. [2020-10-12 19:05:42,313 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 472 transitions. Word has length 124 [2020-10-12 19:05:42,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:42,314 INFO L479 AbstractCegarLoop]: Abstraction has 359 states and 472 transitions. [2020-10-12 19:05:42,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:05:42,314 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 472 transitions. [2020-10-12 19:05:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-12 19:05:42,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:42,317 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, 1, 1] [2020-10-12 19:05:42,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 19:05:42,317 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:42,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:42,317 INFO L82 PathProgramCache]: Analyzing trace with hash 287081442, now seen corresponding path program 1 times [2020-10-12 19:05:42,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:42,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671463108] [2020-10-12 19:05:42,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:42,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:42,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:43,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:43,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:47,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-12 19:05:47,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:05:47,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 19:05:47,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:47,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:05:47,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 19:05:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-12 19:05:47,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:47,598 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:47,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:47,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:47,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:05:47,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:47,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:47,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:47,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:47,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:47,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:05:47,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:47,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:47,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:47,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:05:47,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:47,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:47,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:47,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:47,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:47,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:47,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:47,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:47,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:47,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:47,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:47,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:47,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:47,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:47,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-12 19:05:47,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:47,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:05:47,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:05:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:47,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:47,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:47,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:47,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:47,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:47,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:05:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:05:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:05:47,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:47,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:47,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:47,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:47,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:47,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 19:05:47,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:47,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:47,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:47,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:47,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:47,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:47,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:47,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:47,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:47,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:47,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:48,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 19:05:48,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:48,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:48,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:48,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,133 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: 27 [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: 14 [2020-10-12 19:05:48,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:48,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:05:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:48,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:48,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:48,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:05:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:48,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:48,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 19:05:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:48,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:05:48,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:48,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 19:05:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:48,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:48,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:05:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:05:48,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 19:05:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:48,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:48,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:48,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:48,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:48,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:05:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:48,304 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 19:05:48,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671463108] [2020-10-12 19:05:48,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:48,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-12 19:05:48,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274789241] [2020-10-12 19:05:48,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 19:05:48,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:48,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 19:05:48,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-10-12 19:05:48,307 INFO L87 Difference]: Start difference. First operand 359 states and 472 transitions. Second operand 19 states. [2020-10-12 19:05:48,696 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2020-10-12 19:05:48,863 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:05:49,272 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:05:50,687 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:50,850 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:05:51,001 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:05:52,676 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:05:52,837 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:05:55,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:05:55,013 INFO L93 Difference]: Finished difference Result 806 states and 1099 transitions. [2020-10-12 19:05:55,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 19:05:55,013 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 124 [2020-10-12 19:05:55,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:05:55,018 INFO L225 Difference]: With dead ends: 806 [2020-10-12 19:05:55,018 INFO L226 Difference]: Without dead ends: 565 [2020-10-12 19:05:55,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=428, Invalid=1294, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 19:05:55,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-12 19:05:55,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 500. [2020-10-12 19:05:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-12 19:05:55,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 669 transitions. [2020-10-12 19:05:55,073 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 669 transitions. Word has length 124 [2020-10-12 19:05:55,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:05:55,073 INFO L479 AbstractCegarLoop]: Abstraction has 500 states and 669 transitions. [2020-10-12 19:05:55,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 19:05:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 669 transitions. [2020-10-12 19:05:55,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-12 19:05:55,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:05:55,075 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, 1] [2020-10-12 19:05:55,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 19:05:55,076 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:05:55,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:05:55,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1542349530, now seen corresponding path program 1 times [2020-10-12 19:05:55,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:05:55,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328822486] [2020-10-12 19:05:55,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:05:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:55,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:55,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:55,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-12 19:05:56,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:05:56,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1208 [2020-10-12 19:05:56,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:05:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 19:05:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 19:05:56,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,477 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:05:56,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:05:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:56,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:05:56,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:56,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:56,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:05:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:05:56,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:56,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:56,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:05:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:56,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:56,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:56,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:56,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:05:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:05:56,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:05:56,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:56,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:56,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:56,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:56,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:56,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:05:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:56,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 19:05:56,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:05:56,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:05:56,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:56,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:56,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:05:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:05:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:05:56,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:05:56,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:56,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:05:56,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:56,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:56,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:56,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:56,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:56,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:05:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:05:56,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:05:56,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:05:56,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:56,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:05:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:56,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:05:56,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:56,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:56,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:05:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:05:56,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:05:56,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:05:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:05:56,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:56,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 19:05:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:56,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:05:56,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:56,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 19:05:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:56,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:56,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:56,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:05:56,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:05:56,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 19:05:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:05:56,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:05:56,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:05:56,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:05:56,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:56,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 19:05:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:05:56,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:05:56,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:05:56,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:05:56,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:05:56,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:05:56,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:05:56,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:05:56,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:05:56,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:05:56,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:05:57,021 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 19:05:57,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328822486] [2020-10-12 19:05:57,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:05:57,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-12 19:05:57,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013681079] [2020-10-12 19:05:57,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 19:05:57,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:05:57,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 19:05:57,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-10-12 19:05:57,025 INFO L87 Difference]: Start difference. First operand 500 states and 669 transitions. Second operand 17 states. [2020-10-12 19:05:57,255 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 19:05:58,449 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-12 19:06:00,398 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-12 19:06:00,541 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:00,718 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 19:06:00,891 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 19:06:01,059 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:06:02,625 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:06:04,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:04,589 INFO L93 Difference]: Finished difference Result 1459 states and 2031 transitions. [2020-10-12 19:06:04,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 19:06:04,589 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 131 [2020-10-12 19:06:04,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:04,596 INFO L225 Difference]: With dead ends: 1459 [2020-10-12 19:06:04,596 INFO L226 Difference]: Without dead ends: 1089 [2020-10-12 19:06:04,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=435, Invalid=1287, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 19:06:04,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-10-12 19:06:04,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 859. [2020-10-12 19:06:04,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-10-12 19:06:04,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1148 transitions. [2020-10-12 19:06:04,711 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1148 transitions. Word has length 131 [2020-10-12 19:06:04,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:04,711 INFO L479 AbstractCegarLoop]: Abstraction has 859 states and 1148 transitions. [2020-10-12 19:06:04,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 19:06:04,712 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1148 transitions. [2020-10-12 19:06:04,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 19:06:04,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:04,713 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, 1, 1] [2020-10-12 19:06:04,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 19:06:04,714 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:04,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:04,714 INFO L82 PathProgramCache]: Analyzing trace with hash -169835969, now seen corresponding path program 1 times [2020-10-12 19:06:04,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:04,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981386637] [2020-10-12 19:06:04,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:04,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:04,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:04,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-12 19:06:04,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:04,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-12 19:06:04,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:04,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:04,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-10-12 19:06:04,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:04,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,114 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:05,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:05,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:05,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:05,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:05,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:05,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:05,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:05,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:05,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:05,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:05,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:05,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:05,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:05,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:05,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:05,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:05,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:06:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:05,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:05,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:05,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:05,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:06:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:06:05,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:05,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:05,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:05,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:06:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:05,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:05,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 19:06:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:05,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:05,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 19:06:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:05,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:05,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 19:06:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:05,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:05,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 19:06:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:05,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:05,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:05,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:05,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:05,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:05,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:05,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:05,418 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 19:06:05,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981386637] [2020-10-12 19:06:05,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:05,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:06:05,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776803852] [2020-10-12 19:06:05,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:06:05,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:05,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:06:05,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:06:05,421 INFO L87 Difference]: Start difference. First operand 859 states and 1148 transitions. Second operand 13 states. [2020-10-12 19:06:06,972 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:07,141 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-12 19:06:08,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:08,007 INFO L93 Difference]: Finished difference Result 1506 states and 2055 transitions. [2020-10-12 19:06:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:06:08,008 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-12 19:06:08,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:08,014 INFO L225 Difference]: With dead ends: 1506 [2020-10-12 19:06:08,014 INFO L226 Difference]: Without dead ends: 879 [2020-10-12 19:06:08,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 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 19:06:08,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-10-12 19:06:08,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 879. [2020-10-12 19:06:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-12 19:06:08,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1164 transitions. [2020-10-12 19:06:08,114 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1164 transitions. Word has length 132 [2020-10-12 19:06:08,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:08,115 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 1164 transitions. [2020-10-12 19:06:08,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:06:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1164 transitions. [2020-10-12 19:06:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-12 19:06:08,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:08,117 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] [2020-10-12 19:06:08,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 19:06:08,117 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:08,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:08,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1746082505, now seen corresponding path program 1 times [2020-10-12 19:06:08,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:08,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100131102] [2020-10-12 19:06:08,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-12 19:06:08,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-12 19:06:08,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-10-12 19:06:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:06:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,499 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:08,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:08,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:08,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:08,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:08,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:08,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:08,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:08,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:08,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:08,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:08,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:08,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:08,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:08,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:08,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:06:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:08,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:08,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:08,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 19:06:08,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:06:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:06:08,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:08,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:08,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:08,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:06:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:08,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:08,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 19:06:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:08,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:08,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 19:06:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:08,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:08,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 19:06:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:08,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:08,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 19:06:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:08,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:08,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 19:06:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:08,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:08,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:08,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:08,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:08,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:08,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:08,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:08,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:08,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:08,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:08,826 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 19:06:08,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100131102] [2020-10-12 19:06:08,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:08,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:06:08,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488606592] [2020-10-12 19:06:08,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:06:08,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:08,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:06:08,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:06:08,828 INFO L87 Difference]: Start difference. First operand 879 states and 1164 transitions. Second operand 13 states. [2020-10-12 19:06:10,399 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:10,557 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:06:11,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:11,388 INFO L93 Difference]: Finished difference Result 1533 states and 2056 transitions. [2020-10-12 19:06:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:06:11,389 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 140 [2020-10-12 19:06:11,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:11,394 INFO L225 Difference]: With dead ends: 1533 [2020-10-12 19:06:11,394 INFO L226 Difference]: Without dead ends: 895 [2020-10-12 19:06:11,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 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 19:06:11,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2020-10-12 19:06:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 895. [2020-10-12 19:06:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-12 19:06:11,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1176 transitions. [2020-10-12 19:06:11,494 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1176 transitions. Word has length 140 [2020-10-12 19:06:11,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:11,495 INFO L479 AbstractCegarLoop]: Abstraction has 895 states and 1176 transitions. [2020-10-12 19:06:11,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:06:11,495 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1176 transitions. [2020-10-12 19:06:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-12 19:06:11,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:11,497 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] [2020-10-12 19:06:11,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 19:06:11,498 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:11,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:11,498 INFO L82 PathProgramCache]: Analyzing trace with hash 2107006405, now seen corresponding path program 1 times [2020-10-12 19:06:11,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:11,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515580095] [2020-10-12 19:06:11,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:11,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:11,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:13,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:13,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:16,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:16,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 19:06:16,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 19:06:16,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 19:06:16,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:06:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 19:06:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 19:06:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:16,726 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:16,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:16,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:16,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:16,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:16,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:16,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:16,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:16,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:16,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:16,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:16,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:16,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:16,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:16,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:16,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:16,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:16,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:16,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:16,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:06:16,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:16,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:16,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:16,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:16,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:16,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:16,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:16,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:16,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:16,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:16,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:16,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:16,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:16,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:16,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:16,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:06:16,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:16,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:06:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:16,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:16,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:16,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:16,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:16,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:16,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:16,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:16,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:16,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:16,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:16,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:16,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:16,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:16,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:16,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:16,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 19:06:16,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:16,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:06:16,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:16,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 19:06:16,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:16,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:16,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:16,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:16,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:16,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:16,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:16,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:06:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:06:16,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:16,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:06:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:16,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:16,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:16,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:16,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:16,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:06:16,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:16,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:16,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:16,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:06:16,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:17,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:17,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:17,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:17,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:17,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:17,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:17,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:17,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:17,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:06:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:17,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:17,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:17,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:06:17,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:17,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:17,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:06:17,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:17,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:17,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:17,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:17,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:17,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:17,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:17,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:17,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:17,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:17,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:17,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:17,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:06:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:17,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:17,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:17,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:17,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:17,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:17,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:17,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:17,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 19:06:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:17,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:17,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:17,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:17,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:17,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:17,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:17,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:17,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 19:06:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:17,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:17,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:17,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:17,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:17,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:17,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:17,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:17,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:17,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:17,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:17,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 19:06:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:17,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:17,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:17,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:17,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:17,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:17,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:17,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:17,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 19:06:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:17,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:17,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:17,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:17,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:17,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:17,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:17,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:17,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:17,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 19:06:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:17,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:17,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:17,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:17,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:17,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:17,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:17,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-12 19:06:17,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515580095] [2020-10-12 19:06:17,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:17,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 19:06:17,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120076225] [2020-10-12 19:06:17,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 19:06:17,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:17,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 19:06:17,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 19:06:17,203 INFO L87 Difference]: Start difference. First operand 895 states and 1176 transitions. Second operand 18 states. [2020-10-12 19:06:17,414 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:06:17,585 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:18,437 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:19,643 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:06:21,711 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:06:23,016 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:06:23,851 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:06:24,084 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:06:25,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:25,888 INFO L93 Difference]: Finished difference Result 1565 states and 2073 transitions. [2020-10-12 19:06:25,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 19:06:25,888 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 141 [2020-10-12 19:06:25,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:25,894 INFO L225 Difference]: With dead ends: 1565 [2020-10-12 19:06:25,895 INFO L226 Difference]: Without dead ends: 977 [2020-10-12 19:06:25,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=435, Invalid=1371, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 19:06:25,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-12 19:06:26,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 895. [2020-10-12 19:06:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-12 19:06:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1174 transitions. [2020-10-12 19:06:26,022 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1174 transitions. Word has length 141 [2020-10-12 19:06:26,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:26,023 INFO L479 AbstractCegarLoop]: Abstraction has 895 states and 1174 transitions. [2020-10-12 19:06:26,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 19:06:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1174 transitions. [2020-10-12 19:06:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 19:06:26,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:26,026 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:26,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 19:06:26,026 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:26,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:26,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1878555965, now seen corresponding path program 1 times [2020-10-12 19:06:26,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:26,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280287840] [2020-10-12 19:06:26,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:26,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:26,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:26,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:27,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-12 19:06:31,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:06:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 19:06:31,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:06:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 19:06:31,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-12 19:06:31,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:31,247 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:31,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:31,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:31,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:31,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:31,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:31,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:06:31,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:31,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:31,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:31,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:31,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:06:31,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:06:31,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:31,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:31,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:31,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 19:06:31,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:06:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:06:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:31,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:31,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:06:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:06:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:06:31,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:06:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:31,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:06:31,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:06:31,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:31,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:31,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:31,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:31,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:06:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:06:31,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:31,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:06:31,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:31,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:31,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:31,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:31,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:06:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:31,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:31,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:31,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:31,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:06:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 19:06:31,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:06:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-12 19:06:31,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:06:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 19:06:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 19:06:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:06:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:31,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:31,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:31,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:31,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:06:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:31,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:31,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:31,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:31,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:06:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:31,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:31,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:31,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 19:06:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:31,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:31,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:31,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 19:06:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:31,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:31,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:31,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 19:06:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:31,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:31,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:31,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:31,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:31,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 19:06:31,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280287840] [2020-10-12 19:06:31,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:06:31,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 19:06:31,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843906866] [2020-10-12 19:06:31,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 19:06:31,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:31,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 19:06:31,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-12 19:06:31,822 INFO L87 Difference]: Start difference. First operand 895 states and 1174 transitions. Second operand 19 states. [2020-10-12 19:06:32,024 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:06:32,186 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:33,072 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:06:34,377 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:06:34,543 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:06:34,692 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:06:36,345 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:06:36,498 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:06:36,656 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:06:36,830 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:06:36,996 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:06:37,186 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:06:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:40,623 INFO L93 Difference]: Finished difference Result 2051 states and 2719 transitions. [2020-10-12 19:06:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 19:06:40,624 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 147 [2020-10-12 19:06:40,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:40,631 INFO L225 Difference]: With dead ends: 2051 [2020-10-12 19:06:40,631 INFO L226 Difference]: Without dead ends: 1395 [2020-10-12 19:06:40,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=549, Invalid=1901, Unknown=0, NotChecked=0, Total=2450 [2020-10-12 19:06:40,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2020-10-12 19:06:40,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1335. [2020-10-12 19:06:40,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2020-10-12 19:06:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1770 transitions. [2020-10-12 19:06:40,805 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1770 transitions. Word has length 147 [2020-10-12 19:06:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:40,805 INFO L479 AbstractCegarLoop]: Abstraction has 1335 states and 1770 transitions. [2020-10-12 19:06:40,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 19:06:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1770 transitions. [2020-10-12 19:06:40,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 19:06:40,807 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:40,807 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] [2020-10-12 19:06:40,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 19:06:40,808 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:40,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:40,808 INFO L82 PathProgramCache]: Analyzing trace with hash -647886319, now seen corresponding path program 1 times [2020-10-12 19:06:40,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:40,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506465207] [2020-10-12 19:06:40,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-12 19:06:41,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:06:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 633 [2020-10-12 19:06:41,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:06:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 19:06:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 19:06:41,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,622 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:41,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:41,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:41,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:41,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:41,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:41,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:41,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:41,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:41,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:41,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:41,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:41,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:41,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:41,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:41,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:41,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:41,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:41,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:41,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:41,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:41,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:41,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:41,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:41,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:41,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:06:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:06:41,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:06:41,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:06:41,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:41,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:41,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:06:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:06:41,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:06:41,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:41,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:06:41,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:41,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:41,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:41,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:06:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:41,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:41,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:41,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:06:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:41,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:41,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:41,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 19:06:41,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 19:06:41,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:06:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 19:06:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 19:06:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:42,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:06:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:42,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:42,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:42,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:42,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:42,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:42,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:06:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:42,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:42,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:42,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:42,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:42,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:42,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:42,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:06:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:42,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:42,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:42,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:42,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:42,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:06:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:42,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:42,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:42,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:42,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:42,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:42,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:42,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:42,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:42,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:42,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:42,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:06:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:42,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:42,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:42,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:42,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:42,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:42,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:42,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:42,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:42,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:42,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:42,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:06:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:42,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:42,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:42,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:42,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:42,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:42,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:42,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:42,137 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 19:06:42,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506465207] [2020-10-12 19:06:42,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:42,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 19:06:42,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941479269] [2020-10-12 19:06:42,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 19:06:42,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:42,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 19:06:42,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-12 19:06:42,138 INFO L87 Difference]: Start difference. First operand 1335 states and 1770 transitions. Second operand 18 states. [2020-10-12 19:06:42,359 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-12 19:06:42,551 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:06:44,517 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-12 19:06:46,279 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-12 19:06:46,460 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-12 19:06:46,647 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-12 19:06:46,868 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-12 19:06:47,045 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-12 19:06:47,239 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-12 19:06:49,877 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:06:52,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:52,862 INFO L93 Difference]: Finished difference Result 3827 states and 5164 transitions. [2020-10-12 19:06:52,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 19:06:52,863 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 147 [2020-10-12 19:06:52,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:52,876 INFO L225 Difference]: With dead ends: 3827 [2020-10-12 19:06:52,876 INFO L226 Difference]: Without dead ends: 2706 [2020-10-12 19:06:52,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=503, Invalid=1849, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 19:06:52,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2020-10-12 19:06:53,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2464. [2020-10-12 19:06:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2464 states. [2020-10-12 19:06:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3260 transitions. [2020-10-12 19:06:53,234 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3260 transitions. Word has length 147 [2020-10-12 19:06:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:53,235 INFO L479 AbstractCegarLoop]: Abstraction has 2464 states and 3260 transitions. [2020-10-12 19:06:53,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 19:06:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3260 transitions. [2020-10-12 19:06:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 19:06:53,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:53,238 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 19:06:53,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 19:06:53,238 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:53,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:53,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1631340929, now seen corresponding path program 1 times [2020-10-12 19:06:53,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:53,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092222913] [2020-10-12 19:06:53,239 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 19:06:53,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 19:06:53,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-12 19:06:53,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-12 19:06:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-12 19:06:53,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,652 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:06:53,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:53,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:53,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:06:53,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:53,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:06:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:53,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:06:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:06:53,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:53,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:53,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:53,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:06:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:53,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 19:06:53,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:06:53,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:53,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:53,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:06:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:53,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:06:53,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:53,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:06:53,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:53,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:53,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 19:06:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:06:53,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:53,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:53,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:06:53,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:53,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:53,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:06:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:53,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:53,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 19:06:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 19:06:53,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 19:06:53,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:53,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-12 19:06:53,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:53,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:06:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:53,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:53,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:06:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:53,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:53,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:06:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:54,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:54,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:06:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:54,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:54,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:06:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:54,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:54,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:06:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:54,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:06:54,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,029 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 19:06:54,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092222913] [2020-10-12 19:06:54,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:54,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 19:06:54,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254096246] [2020-10-12 19:06:54,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 19:06:54,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:54,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 19:06:54,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-12 19:06:54,031 INFO L87 Difference]: Start difference. First operand 2464 states and 3260 transitions. Second operand 14 states. [2020-10-12 19:06:54,207 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:06:55,282 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:07:01,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:01,069 INFO L93 Difference]: Finished difference Result 6971 states and 9319 transitions. [2020-10-12 19:07:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 19:07:01,077 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 148 [2020-10-12 19:07:01,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:01,103 INFO L225 Difference]: With dead ends: 6971 [2020-10-12 19:07:01,104 INFO L226 Difference]: Without dead ends: 5147 [2020-10-12 19:07:01,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 19:07:01,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5147 states. [2020-10-12 19:07:01,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5147 to 4911. [2020-10-12 19:07:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4911 states. [2020-10-12 19:07:01,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4911 states to 4911 states and 6531 transitions. [2020-10-12 19:07:01,696 INFO L78 Accepts]: Start accepts. Automaton has 4911 states and 6531 transitions. Word has length 148 [2020-10-12 19:07:01,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:01,696 INFO L479 AbstractCegarLoop]: Abstraction has 4911 states and 6531 transitions. [2020-10-12 19:07:01,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 19:07:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 4911 states and 6531 transitions. [2020-10-12 19:07:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 19:07:01,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:01,701 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, 1, 1] [2020-10-12 19:07:01,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 19:07:01,701 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:01,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:01,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1998716393, now seen corresponding path program 1 times [2020-10-12 19:07:01,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:01,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775693679] [2020-10-12 19:07:01,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-12 19:07:01,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-12 19:07:01,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-12 19:07:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 19:07:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,053 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:02,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:02,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:02,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:02,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:02,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:02,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:02,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:02,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:02,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:02,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:02,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:02,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:07:02,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:02,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:02,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:07:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:02,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:07:02,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:07:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:02,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:02,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 19:07:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:07:02,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:02,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:07:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:02,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:02,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:07:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:02,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:02,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 19:07:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 19:07:02,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 19:07:02,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 19:07:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:07:02,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:02,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:02,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:07:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:02,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:02,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:07:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:02,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:02,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:07:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:02,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:02,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:02,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:02,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:07:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:02,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:02,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:02,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:02,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:02,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:02,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:02,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:02,405 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 19:07:02,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775693679] [2020-10-12 19:07:02,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:02,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 19:07:02,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635117136] [2020-10-12 19:07:02,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 19:07:02,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:02,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 19:07:02,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-12 19:07:02,407 INFO L87 Difference]: Start difference. First operand 4911 states and 6531 transitions. Second operand 14 states. [2020-10-12 19:07:02,566 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:07:03,484 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-12 19:07:05,021 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:07:09,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:09,692 INFO L93 Difference]: Finished difference Result 14924 states and 19999 transitions. [2020-10-12 19:07:09,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 19:07:09,693 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2020-10-12 19:07:09,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:09,756 INFO L225 Difference]: With dead ends: 14924 [2020-10-12 19:07:09,756 INFO L226 Difference]: Without dead ends: 11046 [2020-10-12 19:07:09,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=327, Invalid=1079, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 19:07:09,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11046 states. [2020-10-12 19:07:10,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11046 to 8865. [2020-10-12 19:07:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8865 states. [2020-10-12 19:07:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8865 states to 8865 states and 11796 transitions. [2020-10-12 19:07:10,754 INFO L78 Accepts]: Start accepts. Automaton has 8865 states and 11796 transitions. Word has length 150 [2020-10-12 19:07:10,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:10,755 INFO L479 AbstractCegarLoop]: Abstraction has 8865 states and 11796 transitions. [2020-10-12 19:07:10,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 19:07:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 8865 states and 11796 transitions. [2020-10-12 19:07:10,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 19:07:10,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:10,761 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, 1, 1] [2020-10-12 19:07:10,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 19:07:10,761 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:10,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:10,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1495836444, now seen corresponding path program 1 times [2020-10-12 19:07:10,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:10,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995606665] [2020-10-12 19:07:10,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:10,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-12 19:07:11,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:11,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 731 [2020-10-12 19:07:11,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 19:07:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 19:07:11,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,665 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:11,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:11,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:11,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:11,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:11,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:11,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:11,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:11,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:11,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:11,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:07:11,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:11,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:11,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 19:07:11,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:11,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 19:07:11,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:11,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:07:11,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:11,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:11,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:11,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 19:07:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:11,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:11,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:11,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:07:11,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 19:07:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:11,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:11,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:12,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:12,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 19:07:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:07:12,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:12,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 19:07:12,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:12,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:12,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:12,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:07:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:12,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:12,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 19:07:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 19:07:12,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:12,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 19:07:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:12,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:12,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:07:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:12,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:12,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:12,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:07:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:12,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:12,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:07:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:12,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:12,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:12,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:12,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:12,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:07:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:12,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:12,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:12,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:12,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:12,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:12,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:12,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:12,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:12,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:12,121 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 19:07:12,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995606665] [2020-10-12 19:07:12,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:12,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:07:12,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648359751] [2020-10-12 19:07:12,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:07:12,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:12,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:07:12,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:07:12,123 INFO L87 Difference]: Start difference. First operand 8865 states and 11796 transitions. Second operand 16 states. [2020-10-12 19:07:12,284 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 19:07:16,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:16,836 INFO L93 Difference]: Finished difference Result 16681 states and 22235 transitions. [2020-10-12 19:07:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 19:07:16,836 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 150 [2020-10-12 19:07:16,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:16,873 INFO L225 Difference]: With dead ends: 16681 [2020-10-12 19:07:16,873 INFO L226 Difference]: Without dead ends: 7951 [2020-10-12 19:07:16,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 19:07:16,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7951 states. [2020-10-12 19:07:17,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7951 to 7907. [2020-10-12 19:07:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7907 states. [2020-10-12 19:07:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7907 states to 7907 states and 10512 transitions. [2020-10-12 19:07:17,611 INFO L78 Accepts]: Start accepts. Automaton has 7907 states and 10512 transitions. Word has length 150 [2020-10-12 19:07:17,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:17,611 INFO L479 AbstractCegarLoop]: Abstraction has 7907 states and 10512 transitions. [2020-10-12 19:07:17,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:07:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 7907 states and 10512 transitions. [2020-10-12 19:07:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 19:07:17,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:17,615 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:17,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 19:07:17,616 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:17,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:17,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1531958304, now seen corresponding path program 1 times [2020-10-12 19:07:17,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:17,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989606212] [2020-10-12 19:07:17,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:17,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:17,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:17,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-12 19:07:22,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:22,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 19:07:22,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:07:22,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 19:07:22,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-12 19:07:22,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,822 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:22,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:22,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:22,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:22,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:22,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:07:22,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:22,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:22,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:22,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:22,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:07:22,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:22,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:07:22,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:22,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:22,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:22,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 19:07:22,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:07:22,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:22,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 19:07:22,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:23,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:23,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:23,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:23,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:07:23,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:07:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:23,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:07:23,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:07:23,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:23,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:23,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:23,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:07:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:07:23,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:07:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:23,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:23,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:23,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:23,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:07:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:23,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:23,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:23,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 19:07:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 19:07:23,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:23,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-12 19:07:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 19:07:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 19:07:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:07:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:23,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:23,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:07:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:23,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:23,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:23,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:23,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:07:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:23,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:23,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:23,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 19:07:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:23,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:23,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:23,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:23,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 19:07:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:23,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:23,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:23,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 19:07:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:23,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:23,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:23,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:23,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:23,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 19:07:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:23,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:23,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:23,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:23,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:23,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:07:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:23,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-12 19:07:23,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989606212] [2020-10-12 19:07:23,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:23,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 19:07:23,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234968909] [2020-10-12 19:07:23,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 19:07:23,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:23,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 19:07:23,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-10-12 19:07:23,511 INFO L87 Difference]: Start difference. First operand 7907 states and 10512 transitions. Second operand 20 states. [2020-10-12 19:07:23,725 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:07:23,897 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:07:24,779 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:07:25,968 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:07:26,140 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:07:26,301 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:07:28,027 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:07:28,197 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:07:28,346 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:07:28,504 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:07:28,799 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:07:29,064 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:07:29,275 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:07:33,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:33,401 INFO L93 Difference]: Finished difference Result 15806 states and 21417 transitions. [2020-10-12 19:07:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 19:07:33,402 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 153 [2020-10-12 19:07:33,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:33,437 INFO L225 Difference]: With dead ends: 15806 [2020-10-12 19:07:33,438 INFO L226 Difference]: Without dead ends: 8422 [2020-10-12 19:07:33,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=562, Invalid=1888, Unknown=0, NotChecked=0, Total=2450 [2020-10-12 19:07:33,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8422 states. [2020-10-12 19:07:34,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8422 to 6980. [2020-10-12 19:07:34,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6980 states. [2020-10-12 19:07:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6980 states to 6980 states and 9216 transitions. [2020-10-12 19:07:34,709 INFO L78 Accepts]: Start accepts. Automaton has 6980 states and 9216 transitions. Word has length 153 [2020-10-12 19:07:34,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:34,709 INFO L479 AbstractCegarLoop]: Abstraction has 6980 states and 9216 transitions. [2020-10-12 19:07:34,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 19:07:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 6980 states and 9216 transitions. [2020-10-12 19:07:34,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 19:07:34,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:34,712 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, 1, 1, 1, 1, 1] [2020-10-12 19:07:34,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 19:07:34,713 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:34,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:34,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1045064771, now seen corresponding path program 1 times [2020-10-12 19:07:34,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:34,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004177377] [2020-10-12 19:07:34,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:34,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:34,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:34,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-12 19:07:35,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:35,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-10-12 19:07:35,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 19:07:35,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 19:07:35,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,222 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:35,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:35,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:35,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:35,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:35,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:35,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:35,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:35,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:35,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:07:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:35,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:35,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:35,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:07:35,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:07:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:35,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:35,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:07:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 19:07:35,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:35,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 19:07:35,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:35,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:35,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 19:07:35,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:35,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:35,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:35,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 19:07:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:07:35,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:35,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 19:07:35,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:35,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:35,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:07:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:35,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:35,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 19:07:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 19:07:35,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:07:35,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-12 19:07:35,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:35,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:35,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:07:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:35,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:35,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:07:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:35,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:35,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:07:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:35,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:35,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:35,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:35,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:07:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:35,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:35,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:35,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:35,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:35,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:35,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:35,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:35,652 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 19:07:35,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004177377] [2020-10-12 19:07:35,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:35,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:07:35,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889561886] [2020-10-12 19:07:35,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:07:35,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:35,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:07:35,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:07:35,653 INFO L87 Difference]: Start difference. First operand 6980 states and 9216 transitions. Second operand 16 states. [2020-10-12 19:07:35,811 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 19:07:40,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:40,361 INFO L93 Difference]: Finished difference Result 13071 states and 17326 transitions. [2020-10-12 19:07:40,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 19:07:40,362 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 153 [2020-10-12 19:07:40,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:40,383 INFO L225 Difference]: With dead ends: 13071 [2020-10-12 19:07:40,384 INFO L226 Difference]: Without dead ends: 6563 [2020-10-12 19:07:40,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 19:07:40,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6563 states. [2020-10-12 19:07:41,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6563 to 6399. [2020-10-12 19:07:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6399 states. [2020-10-12 19:07:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6399 states to 6399 states and 8464 transitions. [2020-10-12 19:07:41,061 INFO L78 Accepts]: Start accepts. Automaton has 6399 states and 8464 transitions. Word has length 153 [2020-10-12 19:07:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:41,061 INFO L479 AbstractCegarLoop]: Abstraction has 6399 states and 8464 transitions. [2020-10-12 19:07:41,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:07:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 6399 states and 8464 transitions. [2020-10-12 19:07:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 19:07:41,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:41,063 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] [2020-10-12 19:07:41,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 19:07:41,064 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:41,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:41,064 INFO L82 PathProgramCache]: Analyzing trace with hash 866655095, now seen corresponding path program 1 times [2020-10-12 19:07:41,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:41,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489642614] [2020-10-12 19:07:41,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:41,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:41,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:41,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:41,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-12 19:07:41,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:41,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-10-12 19:07:41,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-12 19:07:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:41,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:41,872 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:41,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:41,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:41,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:41,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:41,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:41,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:41,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:41,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:41,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:41,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:41,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:41,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:41,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:41,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:41,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:41,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:41,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:41,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:41,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:41,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:41,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:41,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:41,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:41,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:41,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:41,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:41,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:41,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:41,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:41,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:41,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:41,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:41,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:41,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:41,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:41,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:41,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:41,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:41,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:41,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:41,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:41,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:41,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:41,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:41,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:41,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:41,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:41,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:41,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:41,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:41,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:41,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:41,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:41,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:41,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:41,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:41,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:41,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:41,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:41,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:41,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:07:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:42,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:42,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:42,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:42,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 19:07:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:07:42,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:42,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:42,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:42,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:42,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:07:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:42,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:42,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:42,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 19:07:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:42,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:42,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:42,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:42,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:42,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 19:07:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:42,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:42,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 19:07:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:42,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:42,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 19:07:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:42,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:42,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:07:42,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 19:07:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:42,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:42,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 19:07:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:42,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:42,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 19:07:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:42,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:42,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:42,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:42,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:42,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-12 19:07:42,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489642614] [2020-10-12 19:07:42,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:42,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 19:07:42,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369573337] [2020-10-12 19:07:42,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 19:07:42,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:42,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 19:07:42,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-12 19:07:42,217 INFO L87 Difference]: Start difference. First operand 6399 states and 8464 transitions. Second operand 14 states. [2020-10-12 19:07:42,487 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-12 19:07:42,653 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 19:07:43,806 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:07:45,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:45,504 INFO L93 Difference]: Finished difference Result 11021 states and 14651 transitions. [2020-10-12 19:07:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 19:07:45,505 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 156 [2020-10-12 19:07:45,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:45,528 INFO L225 Difference]: With dead ends: 11021 [2020-10-12 19:07:45,529 INFO L226 Difference]: Without dead ends: 5242 [2020-10-12 19:07:45,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2020-10-12 19:07:45,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2020-10-12 19:07:46,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 5242. [2020-10-12 19:07:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5242 states. [2020-10-12 19:07:46,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5242 states to 5242 states and 6930 transitions. [2020-10-12 19:07:46,213 INFO L78 Accepts]: Start accepts. Automaton has 5242 states and 6930 transitions. Word has length 156 [2020-10-12 19:07:46,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:46,213 INFO L479 AbstractCegarLoop]: Abstraction has 5242 states and 6930 transitions. [2020-10-12 19:07:46,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 19:07:46,213 INFO L276 IsEmpty]: Start isEmpty. Operand 5242 states and 6930 transitions. [2020-10-12 19:07:46,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 19:07:46,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:46,215 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] [2020-10-12 19:07:46,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 19:07:46,215 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:46,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:46,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1867182129, now seen corresponding path program 1 times [2020-10-12 19:07:46,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:46,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820481405] [2020-10-12 19:07:46,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:46,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:46,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-12 19:07:47,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:47,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1345 [2020-10-12 19:07:47,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:07:47,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 19:07:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 19:07:47,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,783 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:47,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:47,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:47,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:47,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:47,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:47,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:47,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:47,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:47,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:47,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:47,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:47,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:07:47,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:47,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:47,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:47,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:47,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:47,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:47,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:47,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:47,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 19:07:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:48,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:07:48,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:07:48,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:48,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:48,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:48,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:07:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:07:48,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:48,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:07:48,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:48,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:48,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:48,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:07:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:48,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:48,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:48,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:48,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:48,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 19:07:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:48,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:48,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:48,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:48,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:48,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 19:07:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:48,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:48,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:48,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 19:07:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:48,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:48,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:48,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 19:07:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:48,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:48,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:48,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 19:07:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:48,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:48,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:48,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:48,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:48,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 19:07:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:48,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:48,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:48,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 19:07:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:48,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:48,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:48,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:48,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:48,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:48,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 19:07:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:48,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:48,210 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 19:07:48,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820481405] [2020-10-12 19:07:48,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:48,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 19:07:48,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628716492] [2020-10-12 19:07:48,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 19:07:48,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:48,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 19:07:48,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-10-12 19:07:48,212 INFO L87 Difference]: Start difference. First operand 5242 states and 6930 transitions. Second operand 17 states. [2020-10-12 19:07:48,427 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-12 19:07:48,603 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:07:49,646 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 19:07:51,577 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-12 19:07:51,730 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:07:51,910 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 19:07:52,094 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-12 19:07:56,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:56,003 INFO L93 Difference]: Finished difference Result 9969 states and 13202 transitions. [2020-10-12 19:07:56,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 19:07:56,005 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 156 [2020-10-12 19:07:56,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:56,025 INFO L225 Difference]: With dead ends: 9969 [2020-10-12 19:07:56,026 INFO L226 Difference]: Without dead ends: 5083 [2020-10-12 19:07:56,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=409, Invalid=1231, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 19:07:56,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5083 states. [2020-10-12 19:07:56,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5083 to 4584. [2020-10-12 19:07:56,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4584 states. [2020-10-12 19:07:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 6017 transitions. [2020-10-12 19:07:56,684 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 6017 transitions. Word has length 156 [2020-10-12 19:07:56,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:56,684 INFO L479 AbstractCegarLoop]: Abstraction has 4584 states and 6017 transitions. [2020-10-12 19:07:56,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 19:07:56,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 6017 transitions. [2020-10-12 19:07:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 19:07:56,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:56,686 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] [2020-10-12 19:07:56,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 19:07:56,686 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:56,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:56,686 INFO L82 PathProgramCache]: Analyzing trace with hash -13074241, now seen corresponding path program 1 times [2020-10-12 19:07:56,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:56,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203705277] [2020-10-12 19:07:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:56,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:56,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 19:07:56,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:56,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-12 19:07:56,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:56,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:56,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-10-12 19:07:56,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:56,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,067 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:07:57,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:57,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:57,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:57,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:07:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:57,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:57,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:07:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:57,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:57,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:57,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:07:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:07:57,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:57,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:57,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:07:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:07:57,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:57,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:57,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:07:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:07:57,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:57,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:57,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:57,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:07:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:57,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 19:07:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:57,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 19:07:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:57,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:57,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 19:07:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:57,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 19:07:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:57,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:57,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 19:07:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:57,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 19:07:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:57,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 19:07:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:57,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:57,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:57,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:57,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:57,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:57,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:57,363 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 19:07:57,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203705277] [2020-10-12 19:07:57,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:57,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:07:57,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555113757] [2020-10-12 19:07:57,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:07:57,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:57,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:07:57,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:07:57,364 INFO L87 Difference]: Start difference. First operand 4584 states and 6017 transitions. Second operand 13 states. [2020-10-12 19:07:58,971 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:07:59,137 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-12 19:08:00,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:00,415 INFO L93 Difference]: Finished difference Result 9066 states and 12036 transitions. [2020-10-12 19:08:00,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 19:08:00,416 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 157 [2020-10-12 19:08:00,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:00,432 INFO L225 Difference]: With dead ends: 9066 [2020-10-12 19:08:00,432 INFO L226 Difference]: Without dead ends: 4806 [2020-10-12 19:08:00,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 36 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 19:08:00,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2020-10-12 19:08:00,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 4806. [2020-10-12 19:08:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4806 states. [2020-10-12 19:08:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 6202 transitions. [2020-10-12 19:08:00,965 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 6202 transitions. Word has length 157 [2020-10-12 19:08:00,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:00,965 INFO L479 AbstractCegarLoop]: Abstraction has 4806 states and 6202 transitions. [2020-10-12 19:08:00,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:08:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 6202 transitions. [2020-10-12 19:08:00,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 19:08:00,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:00,966 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, 1, 1, 1] [2020-10-12 19:08:00,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 19:08:00,966 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:00,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:00,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1450516100, now seen corresponding path program 1 times [2020-10-12 19:08:00,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:00,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391327970] [2020-10-12 19:08:00,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-12 19:08:01,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 441 [2020-10-12 19:08:01,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:08:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 19:08:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-12 19:08:01,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,598 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:08:01,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:01,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:01,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:01,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:01,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:01,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:01,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 19:08:01,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:08:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:01,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:01,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:08:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:01,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:01,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:08:01,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:01,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:01,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:01,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:01,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:01,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:08:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:08:01,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:08:01,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:01,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:01,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:08:01,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:01,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:01,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:01,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:01,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:01,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:08:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:08:01,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 19:08:01,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:08:01,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:01,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:08:01,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:01,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:01,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:01,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:08:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:08:01,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:01,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:08:01,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:01,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:01,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:01,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:08:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:01,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:01,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:01,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:01,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:01,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:01,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:08:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:01,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 19:08:02,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 19:08:02,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-12 19:08:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:08:02,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:02,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:08:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:08:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 19:08:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 19:08:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:02,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:02,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 19:08:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:02,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:02,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:02,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:02,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 19:08:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:02,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:02,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:02,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:02,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:02,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 19:08:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:02,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:02,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:02,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:02,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:02,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:02,288 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 19:08:02,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391327970] [2020-10-12 19:08:02,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:08:02,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-12 19:08:02,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825516843] [2020-10-12 19:08:02,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 19:08:02,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:02,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 19:08:02,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-12 19:08:02,293 INFO L87 Difference]: Start difference. First operand 4806 states and 6202 transitions. Second operand 19 states. [2020-10-12 19:08:02,544 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:08:02,741 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:08:04,120 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:08:04,957 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:08:05,335 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:08:05,650 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2020-10-12 19:08:07,698 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:08:08,512 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:08:08,709 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:08:09,023 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-12 19:08:09,296 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:08:11,381 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-12 19:08:13,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:13,022 INFO L93 Difference]: Finished difference Result 12828 states and 16711 transitions. [2020-10-12 19:08:13,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-12 19:08:13,023 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 162 [2020-10-12 19:08:13,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:13,048 INFO L225 Difference]: With dead ends: 12828 [2020-10-12 19:08:13,049 INFO L226 Difference]: Without dead ends: 8307 [2020-10-12 19:08:13,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=614, Invalid=2248, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 19:08:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8307 states. [2020-10-12 19:08:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8307 to 5606. [2020-10-12 19:08:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5606 states. [2020-10-12 19:08:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5606 states to 5606 states and 7178 transitions. [2020-10-12 19:08:13,762 INFO L78 Accepts]: Start accepts. Automaton has 5606 states and 7178 transitions. Word has length 162 [2020-10-12 19:08:13,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:13,762 INFO L479 AbstractCegarLoop]: Abstraction has 5606 states and 7178 transitions. [2020-10-12 19:08:13,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 19:08:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 5606 states and 7178 transitions. [2020-10-12 19:08:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-12 19:08:13,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:13,764 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, 1, 1, 1] [2020-10-12 19:08:13,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 19:08:13,764 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:13,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:13,764 INFO L82 PathProgramCache]: Analyzing trace with hash -75699692, now seen corresponding path program 1 times [2020-10-12 19:08:13,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:13,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85777809] [2020-10-12 19:08:13,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:13,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-12 19:08:14,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-12 19:08:14,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:14,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-10-12 19:08:14,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:08:14,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,339 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:08:14,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:14,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:14,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:14,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:08:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:14,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:14,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:08:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:14,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:14,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:14,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:08:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:08:14,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:14,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:14,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:08:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:08:14,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:14,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:14,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:08:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:08:14,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:14,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:14,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:14,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:08:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:14,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:08:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-12 19:08:14,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 19:08:14,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:14,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 19:08:14,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:14,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:08:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:08:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 19:08:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:14,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:14,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 19:08:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 19:08:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 19:08:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:14,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:14,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 19:08:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:14,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:14,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:14,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:14,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:14,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:14,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:14,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:14,718 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 19:08:14,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85777809] [2020-10-12 19:08:14,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:08:14,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:08:14,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101326320] [2020-10-12 19:08:14,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:08:14,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:14,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:08:14,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:08:14,719 INFO L87 Difference]: Start difference. First operand 5606 states and 7178 transitions. Second operand 16 states. [2020-10-12 19:08:16,708 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 19:08:16,893 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:08:17,077 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-12 19:08:18,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:18,654 INFO L93 Difference]: Finished difference Result 6124 states and 7890 transitions. [2020-10-12 19:08:18,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 19:08:18,655 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 165 [2020-10-12 19:08:18,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:18,666 INFO L225 Difference]: With dead ends: 6124 [2020-10-12 19:08:18,666 INFO L226 Difference]: Without dead ends: 6122 [2020-10-12 19:08:18,668 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 19:08:18,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2020-10-12 19:08:19,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 5608. [2020-10-12 19:08:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5608 states. [2020-10-12 19:08:19,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5608 states to 5608 states and 7186 transitions. [2020-10-12 19:08:19,250 INFO L78 Accepts]: Start accepts. Automaton has 5608 states and 7186 transitions. Word has length 165 [2020-10-12 19:08:19,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:19,250 INFO L479 AbstractCegarLoop]: Abstraction has 5608 states and 7186 transitions. [2020-10-12 19:08:19,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:08:19,250 INFO L276 IsEmpty]: Start isEmpty. Operand 5608 states and 7186 transitions. [2020-10-12 19:08:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-12 19:08:19,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:19,251 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, 1, 1, 1] [2020-10-12 19:08:19,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 19:08:19,252 INFO L427 AbstractCegarLoop]: === Iteration 26 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:19,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:19,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2004104544, now seen corresponding path program 1 times [2020-10-12 19:08:19,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:19,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567637025] [2020-10-12 19:08:19,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:19,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:19,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 19:08:20,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:08:20,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 815 [2020-10-12 19:08:20,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:08:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 19:08:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-12 19:08:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,267 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:08:20,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:20,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:20,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:20,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:20,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:20,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:20,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:08:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:20,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:20,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:08:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:20,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:20,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:08:20,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:20,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:20,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:20,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:08:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:08:20,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:08:20,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:08:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:20,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:08:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:08:20,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:08:20,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:08:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:20,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:20,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:20,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:08:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:08:20,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:08:20,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:08:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:20,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 19:08:20,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:20,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:20,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:08:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:20,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:20,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:20,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:20,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:20,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 19:08:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:20,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:20,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 19:08:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:20,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:20,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 19:08:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:20,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:20,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:20,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 19:08:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:20,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 19:08:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:20,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:20,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 19:08:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:20,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 19:08:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:20,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:20,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:20,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 19:08:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:20,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:20,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:20,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:20,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:20,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:20,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:20,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:20,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:20,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:20,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:20,701 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 19:08:20,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567637025] [2020-10-12 19:08:20,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:08:20,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 19:08:20,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042478590] [2020-10-12 19:08:20,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 19:08:20,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:20,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 19:08:20,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 19:08:20,703 INFO L87 Difference]: Start difference. First operand 5608 states and 7186 transitions. Second operand 18 states. [2020-10-12 19:08:20,931 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:08:21,096 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:08:22,460 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 19:08:23,119 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 19:08:23,279 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:08:23,434 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-12 19:08:25,772 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 19:08:26,068 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 19:08:27,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:27,781 INFO L93 Difference]: Finished difference Result 11152 states and 14326 transitions. [2020-10-12 19:08:27,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 19:08:27,782 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 166 [2020-10-12 19:08:27,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:27,792 INFO L225 Difference]: With dead ends: 11152 [2020-10-12 19:08:27,793 INFO L226 Difference]: Without dead ends: 5868 [2020-10-12 19:08:27,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=503, Invalid=1659, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 19:08:27,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5868 states. [2020-10-12 19:08:28,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5868 to 5422. [2020-10-12 19:08:28,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5422 states. [2020-10-12 19:08:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5422 states to 5422 states and 6928 transitions. [2020-10-12 19:08:28,333 INFO L78 Accepts]: Start accepts. Automaton has 5422 states and 6928 transitions. Word has length 166 [2020-10-12 19:08:28,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:28,333 INFO L479 AbstractCegarLoop]: Abstraction has 5422 states and 6928 transitions. [2020-10-12 19:08:28,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 19:08:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 5422 states and 6928 transitions. [2020-10-12 19:08:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-12 19:08:28,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:28,337 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:28,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 19:08:28,337 INFO L427 AbstractCegarLoop]: === Iteration 27 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:28,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:28,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1467886040, now seen corresponding path program 1 times [2020-10-12 19:08:28,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:28,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1294095857] [2020-10-12 19:08:28,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:28,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:28,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:32,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-12 19:08:33,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:33,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 19:08:33,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 19:08:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 19:08:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 247 [2020-10-12 19:08:33,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,661 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 19:08:33,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:33,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:33,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:33,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:33,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 19:08:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:33,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:33,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 19:08:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:33,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:33,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:33,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:08:33,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:33,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:33,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:33,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:33,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 19:08:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:33,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:33,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:33,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:08:33,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:33,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 19:08:33,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 19:08:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 19:08:33,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:34,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:34,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:08:34,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 19:08:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:08:34,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 19:08:34,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:08:34,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:34,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 19:08:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 19:08:34,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:34,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:08:34,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:34,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:34,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 19:08:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:34,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:08:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-12 19:08:34,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 19:08:34,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 19:08:34,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:34,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:08:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:34,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:08:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:34,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 19:08:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:34,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 19:08:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:34,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 19:08:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:34,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 19:08:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:34,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 19:08:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:34,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 19:08:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:34,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:34,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:34,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 19:08:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:34,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:08:34,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:08:34,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:34,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 19:08:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:08:34,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 19:08:34,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 19:08:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:34,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:34,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:08:34,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-12 19:08:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 19:08:34,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:08:34,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:08:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:34,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-12 19:08:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 19:08:34,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:08:34,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 19:08:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:34,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:34,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:08:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:34,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:34,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:08:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 19:08:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:34,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:34,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 19:08:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:34,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:08:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:34,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:08:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:34,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:08:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:34,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:34,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 19:08:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:34,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:34,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:34,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:34,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:34,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:34,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:34,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:34,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:34,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:34,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:34,858 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-12 19:08:34,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1294095857] [2020-10-12 19:08:34,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:08:34,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 19:08:34,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821071008] [2020-10-12 19:08:34,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 19:08:34,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:34,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 19:08:34,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2020-10-12 19:08:34,860 INFO L87 Difference]: Start difference. First operand 5422 states and 6928 transitions. Second operand 30 states. [2020-10-12 19:08:35,348 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 137 [2020-10-12 19:08:35,809 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 19:08:36,001 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-12 19:08:36,680 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-10-12 19:08:37,579 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 138