/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/ldv-sets/test_mutex_unlock_at_exit.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 04:59:21,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 04:59:21,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 04:59:21,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 04:59:21,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 04:59:21,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 04:59:21,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 04:59:21,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 04:59:21,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 04:59:21,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 04:59:21,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 04:59:21,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 04:59:21,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 04:59:21,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 04:59:21,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 04:59:21,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 04:59:21,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 04:59:21,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 04:59:21,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 04:59:21,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 04:59:21,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 04:59:21,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 04:59:21,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 04:59:21,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 04:59:21,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 04:59:21,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 04:59:21,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 04:59:21,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 04:59:21,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 04:59:21,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 04:59:21,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 04:59:21,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 04:59:21,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 04:59:21,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 04:59:21,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 04:59:21,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 04:59:21,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 04:59:21,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 04:59:21,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 04:59:21,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 04:59:21,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 04:59:21,694 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 [2020-10-14 04:59:21,716 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 04:59:21,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 04:59:21,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 04:59:21,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 04:59:21,718 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 04:59:21,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 04:59:21,719 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 04:59:21,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 04:59:21,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 04:59:21,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 04:59:21,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 04:59:21,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 04:59:21,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 04:59:21,720 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 04:59:21,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 04:59:21,720 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 04:59:21,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 04:59:21,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 04:59:21,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 04:59:21,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 04:59:21,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 04:59:21,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 04:59:21,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 04:59:21,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 04:59:21,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 04:59:21,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 04:59:21,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 04:59:21,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 04:59:21,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 04:59:21,723 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 04:59:22,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 04:59:22,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 04:59:22,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 04:59:22,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 04:59:22,049 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 04:59:22,050 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i [2020-10-14 04:59:22,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c38466a80/145acbc13d4447faa34cd4de78e30e6b/FLAG77009a719 [2020-10-14 04:59:22,727 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 04:59:22,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i [2020-10-14 04:59:22,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c38466a80/145acbc13d4447faa34cd4de78e30e6b/FLAG77009a719 [2020-10-14 04:59:22,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c38466a80/145acbc13d4447faa34cd4de78e30e6b [2020-10-14 04:59:22,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 04:59:22,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 04:59:22,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 04:59:22,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 04:59:22,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 04:59:22,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:59:22" (1/1) ... [2020-10-14 04:59:22,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b79fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22, skipping insertion in model container [2020-10-14 04:59:22,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:59:22" (1/1) ... [2020-10-14 04:59:23,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 04:59:23,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 04:59:23,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:59:23,505 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 04:59:23,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:59:23,665 INFO L208 MainTranslator]: Completed translation [2020-10-14 04:59:23,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:23 WrapperNode [2020-10-14 04:59:23,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 04:59:23,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 04:59:23,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 04:59:23,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 04:59:23,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:23" (1/1) ... [2020-10-14 04:59:23,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:23" (1/1) ... [2020-10-14 04:59:23,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:23" (1/1) ... [2020-10-14 04:59:23,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:23" (1/1) ... [2020-10-14 04:59:23,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:23" (1/1) ... [2020-10-14 04:59:23,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:23" (1/1) ... [2020-10-14 04:59:23,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:23" (1/1) ... [2020-10-14 04:59:23,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 04:59:23,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 04:59:23,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 04:59:23,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 04:59:23,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:23" (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 [2020-10-14 04:59:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 04:59:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 04:59:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 04:59:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 04:59:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 04:59:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 04:59:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-14 04:59:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-14 04:59:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-14 04:59:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-14 04:59:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-14 04:59:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-14 04:59:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-14 04:59:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-14 04:59:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-14 04:59:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-14 04:59:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-14 04:59:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-14 04:59:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-14 04:59:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 04:59:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 04:59:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 04:59:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 04:59:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-14 04:59:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 04:59:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 04:59:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 04:59:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 04:59:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 04:59:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 04:59:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 04:59:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 04:59:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 04:59:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 04:59:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 04:59:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 04:59:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 04:59:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 04:59:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 04:59:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 04:59:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 04:59:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 04:59:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 04:59:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 04:59:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 04:59:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 04:59:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 04:59:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 04:59:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 04:59:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 04:59:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 04:59:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 04:59:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 04:59:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 04:59:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 04:59:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 04:59:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 04:59:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 04:59:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 04:59:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 04:59:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 04:59:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 04:59:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 04:59:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 04:59:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 04:59:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 04:59:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 04:59:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 04:59:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 04:59:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 04:59:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 04:59:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 04:59:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 04:59:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 04:59:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 04:59:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 04:59:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 04:59:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 04:59:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 04:59:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 04:59:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 04:59:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 04:59:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 04:59:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 04:59:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 04:59:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 04:59:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 04:59:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 04:59:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 04:59:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 04:59:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 04:59:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 04:59:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 04:59:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 04:59:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 04:59:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 04:59:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 04:59:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 04:59:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 04:59:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 04:59:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 04:59:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 04:59:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 04:59:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 04:59:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 04:59:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 04:59:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 04:59:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 04:59:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 04:59:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 04:59:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 04:59:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 04:59:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 04:59:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 04:59:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 04:59:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 04:59:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 04:59:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 04:59:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 04:59:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 04:59:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 04:59:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 04:59:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 04:59:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 04:59:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 04:59:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 04:59:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 04:59:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 04:59:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 04:59:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 04:59:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 04:59:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 04:59:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-14 04:59:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-14 04:59:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 04:59:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-14 04:59:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-14 04:59:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-14 04:59:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 04:59:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-14 04:59:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-14 04:59:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-14 04:59:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-14 04:59:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-14 04:59:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-14 04:59:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-14 04:59:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-14 04:59:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 04:59:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 04:59:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 04:59:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 04:59:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 04:59:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-14 04:59:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 04:59:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 04:59:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 04:59:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 04:59:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 04:59:24,545 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 04:59:24,546 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 04:59:24,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:59:24 BoogieIcfgContainer [2020-10-14 04:59:24,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 04:59:24,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 04:59:24,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 04:59:24,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 04:59:24,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:59:22" (1/3) ... [2020-10-14 04:59:24,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15786089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:59:24, skipping insertion in model container [2020-10-14 04:59:24,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:23" (2/3) ... [2020-10-14 04:59:24,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15786089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:59:24, skipping insertion in model container [2020-10-14 04:59:24,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:59:24" (3/3) ... [2020-10-14 04:59:24,567 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_unlock_at_exit.i [2020-10-14 04:59:24,580 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 04:59:24,589 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-14 04:59:24,608 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-14 04:59:24,655 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 04:59:24,655 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 04:59:24,656 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 04:59:24,656 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 04:59:24,656 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 04:59:24,656 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 04:59:24,657 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 04:59:24,657 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 04:59:24,692 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2020-10-14 04:59:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 04:59:24,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:24,704 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 04:59:24,705 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:24,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:24,713 INFO L82 PathProgramCache]: Analyzing trace with hash -579202539, now seen corresponding path program 1 times [2020-10-14 04:59:24,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:24,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797969900] [2020-10-14 04:59:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:24,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 04:59:25,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 04:59:25,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-14 04:59:25,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 04:59:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 04:59:25,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:25,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 04:59:25,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:25,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:25,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:25,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:25,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 04:59:25,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:25,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:25,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 04:59:25,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 04:59:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:25,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 04:59:25,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 04:59:25,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:25,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 04:59:25,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 04:59:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:59:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:25,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 04:59:25,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 04:59:25,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797969900] [2020-10-14 04:59:25,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:59:25,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 04:59:25,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852395183] [2020-10-14 04:59:25,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 04:59:25,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:25,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 04:59:25,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 04:59:25,659 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 4 states. [2020-10-14 04:59:25,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:25,926 INFO L93 Difference]: Finished difference Result 215 states and 262 transitions. [2020-10-14 04:59:25,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 04:59:25,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-10-14 04:59:25,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:25,943 INFO L225 Difference]: With dead ends: 215 [2020-10-14 04:59:25,943 INFO L226 Difference]: Without dead ends: 110 [2020-10-14 04:59:25,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 04:59:25,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-14 04:59:26,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 97. [2020-10-14 04:59:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-14 04:59:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2020-10-14 04:59:26,024 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 42 [2020-10-14 04:59:26,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:26,024 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2020-10-14 04:59:26,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 04:59:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2020-10-14 04:59:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 04:59:26,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:26,028 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 04:59:26,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 04:59:26,029 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:26,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:26,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1187143851, now seen corresponding path program 1 times [2020-10-14 04:59:26,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:26,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412431009] [2020-10-14 04:59:26,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 04:59:26,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 04:59:26,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:26,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 04:59:26,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:26,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:26,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:26,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:26,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:26,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:26,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:26,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:26,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:26,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 04:59:26,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:26,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:26,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:26,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:26,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 04:59:26,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:26,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:26,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:26,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:26,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:26,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:26,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:59:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:26,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 04:59:26,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:59:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 04:59:26,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412431009] [2020-10-14 04:59:26,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:59:26,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 04:59:26,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568163247] [2020-10-14 04:59:26,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 04:59:26,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:26,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 04:59:26,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 04:59:26,428 INFO L87 Difference]: Start difference. First operand 97 states and 106 transitions. Second operand 6 states. [2020-10-14 04:59:26,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:26,892 INFO L93 Difference]: Finished difference Result 116 states and 131 transitions. [2020-10-14 04:59:26,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 04:59:26,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-14 04:59:26,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:26,901 INFO L225 Difference]: With dead ends: 116 [2020-10-14 04:59:26,902 INFO L226 Difference]: Without dead ends: 114 [2020-10-14 04:59:26,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 04:59:26,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-14 04:59:26,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 101. [2020-10-14 04:59:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-14 04:59:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 112 transitions. [2020-10-14 04:59:26,943 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 112 transitions. Word has length 42 [2020-10-14 04:59:26,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:26,944 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 112 transitions. [2020-10-14 04:59:26,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 04:59:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 112 transitions. [2020-10-14 04:59:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 04:59:26,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:26,950 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 04:59:26,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 04:59:26,951 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:26,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:26,951 INFO L82 PathProgramCache]: Analyzing trace with hash 387459454, now seen corresponding path program 1 times [2020-10-14 04:59:26,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:26,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034129898] [2020-10-14 04:59:26,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:27,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:27,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:27,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 04:59:27,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:27,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-14 04:59:27,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:27,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 04:59:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:59:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 04:59:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:27,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:27,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:27,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:27,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:27,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:27,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 04:59:27,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:27,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 04:59:27,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:27,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:27,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:27,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:27,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:27,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:27,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:27,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:27,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:27,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 04:59:27,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:27,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:27,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:27,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:27,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:27,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:27,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 04:59:27,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:27,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:27,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:27,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:27,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:27,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:27,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:27,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:27,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:27,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:27,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:27,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:27,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:27,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:27,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:27,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:27,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:27,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:27,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:27,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:27,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:27,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:27,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 04:59:27,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:27,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:27,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:27,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:27,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:27,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:27,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:27,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:27,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:27,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:27,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:27,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:27,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:27,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:27,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:27,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:59:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:27,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:27,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:27,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:27,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:27,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 04:59:27,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:27,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:27,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 04:59:27,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 04:59:27,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:59:27,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 04:59:27,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034129898] [2020-10-14 04:59:27,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:59:27,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 04:59:27,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40789977] [2020-10-14 04:59:27,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 04:59:27,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:27,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 04:59:27,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-14 04:59:27,629 INFO L87 Difference]: Start difference. First operand 101 states and 112 transitions. Second operand 7 states. [2020-10-14 04:59:28,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:28,678 INFO L93 Difference]: Finished difference Result 285 states and 337 transitions. [2020-10-14 04:59:28,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 04:59:28,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-14 04:59:28,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:28,685 INFO L225 Difference]: With dead ends: 285 [2020-10-14 04:59:28,685 INFO L226 Difference]: Without dead ends: 198 [2020-10-14 04:59:28,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-14 04:59:28,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-14 04:59:28,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 161. [2020-10-14 04:59:28,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-14 04:59:28,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 188 transitions. [2020-10-14 04:59:28,735 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 188 transitions. Word has length 42 [2020-10-14 04:59:28,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:28,735 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 188 transitions. [2020-10-14 04:59:28,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 04:59:28,735 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 188 transitions. [2020-10-14 04:59:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 04:59:28,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:28,738 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2020-10-14 04:59:28,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 04:59:28,738 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:28,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:28,739 INFO L82 PathProgramCache]: Analyzing trace with hash 128283519, now seen corresponding path program 1 times [2020-10-14 04:59:28,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:28,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766433496] [2020-10-14 04:59:28,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 04:59:29,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:29,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-10-14 04:59:29,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 04:59:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:29,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:29,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:29,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:29,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:29,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:29,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:29,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:29,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:29,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:59:29,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:29,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:29,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 04:59:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:29,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 04:59:29,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:29,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 04:59:29,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:29,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:29,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:29,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:29,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:29,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:29,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 04:59:29,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:29,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 04:59:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:29,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 04:59:29,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:29,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:59:29,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 04:59:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:29,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:29,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 04:59:29,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 04:59:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:29,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:29,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:29,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:29,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:29,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 04:59:29,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:29,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:29,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 04:59:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:29,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:29,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:29,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:59:29,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:29,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-14 04:59:29,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766433496] [2020-10-14 04:59:29,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:59:29,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 04:59:29,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515440294] [2020-10-14 04:59:29,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 04:59:29,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:29,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 04:59:29,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 04:59:29,575 INFO L87 Difference]: Start difference. First operand 161 states and 188 transitions. Second operand 7 states. [2020-10-14 04:59:30,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:30,031 INFO L93 Difference]: Finished difference Result 292 states and 341 transitions. [2020-10-14 04:59:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 04:59:30,033 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-14 04:59:30,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:30,039 INFO L225 Difference]: With dead ends: 292 [2020-10-14 04:59:30,039 INFO L226 Difference]: Without dead ends: 169 [2020-10-14 04:59:30,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 04:59:30,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-10-14 04:59:30,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2020-10-14 04:59:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-14 04:59:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 194 transitions. [2020-10-14 04:59:30,068 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 194 transitions. Word has length 90 [2020-10-14 04:59:30,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:30,068 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 194 transitions. [2020-10-14 04:59:30,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 04:59:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 194 transitions. [2020-10-14 04:59:30,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 04:59:30,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:30,071 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 04:59:30,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 04:59:30,072 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:30,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:30,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1405803183, now seen corresponding path program 1 times [2020-10-14 04:59:30,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:30,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958541286] [2020-10-14 04:59:30,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:30,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:30,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:30,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:30,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 04:59:35,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 04:59:35,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 04:59:35,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 04:59:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:59:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 04:59:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:35,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 04:59:35,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 04:59:35,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:35,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:35,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:35,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 04:59:35,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:35,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 04:59:35,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:35,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:35,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:35,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:35,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:35,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 04:59:35,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:35,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:35,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:35,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 04:59:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:35,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:35,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-14 04:59:35,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 04:59:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 04:59:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 04:59:35,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:59:35,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:35,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 04:59:35,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 04:59:35,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:35,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 04:59:35,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 04:59:35,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:59:35,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:59:35,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 04:59:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:35,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:35,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 04:59:35,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 04:59:35,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:35,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:35,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:59:35,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:35,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 04:59:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:35,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-14 04:59:35,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958541286] [2020-10-14 04:59:35,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:59:35,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 04:59:35,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182341884] [2020-10-14 04:59:35,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 04:59:35,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:35,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 04:59:35,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-14 04:59:35,933 INFO L87 Difference]: Start difference. First operand 167 states and 194 transitions. Second operand 12 states. [2020-10-14 04:59:38,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:38,131 INFO L93 Difference]: Finished difference Result 402 states and 472 transitions. [2020-10-14 04:59:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 04:59:38,132 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-14 04:59:38,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:38,134 INFO L225 Difference]: With dead ends: 402 [2020-10-14 04:59:38,135 INFO L226 Difference]: Without dead ends: 229 [2020-10-14 04:59:38,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=276, Invalid=1056, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 04:59:38,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-10-14 04:59:38,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 173. [2020-10-14 04:59:38,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-14 04:59:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 195 transitions. [2020-10-14 04:59:38,159 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 195 transitions. Word has length 90 [2020-10-14 04:59:38,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:38,159 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 195 transitions. [2020-10-14 04:59:38,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 04:59:38,160 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 195 transitions. [2020-10-14 04:59:38,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 04:59:38,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:38,161 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 04:59:38,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 04:59:38,162 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:38,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:38,162 INFO L82 PathProgramCache]: Analyzing trace with hash -449061109, now seen corresponding path program 1 times [2020-10-14 04:59:38,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:38,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952935449] [2020-10-14 04:59:38,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:38,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:38,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:39,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:39,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:43,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:43,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 04:59:43,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 04:59:43,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 04:59:43,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:43,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 04:59:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:59:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 04:59:43,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:43,546 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-10-14 04:59:43,691 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-10-14 04:59:43,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:43,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:43,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:43,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:43,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:43,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 04:59:43,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:43,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:43,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:43,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:43,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 04:59:43,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:43,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:43,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:43,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:43,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:43,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:43,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:43,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:43,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 04:59:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:43,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:43,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:43,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:43,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:43,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:43,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 04:59:43,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:43,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:59:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:43,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:43,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:43,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:43,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:43,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:43,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:43,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:43,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:59:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:43,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:43,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:43,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:43,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:43,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:43,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 04:59:43,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:43,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 04:59:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 04:59:43,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:44,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:44,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:44,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:44,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:44,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:44,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:44,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:44,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:44,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:44,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:44,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:59:44,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:44,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 04:59:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:44,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:44,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:45,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:45,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 04:59:45,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:45,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1386 [2020-10-14 04:59:45,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:45,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:45,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-14 04:59:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 04:59:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:45,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:45,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:45,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:45,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:45,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 04:59:45,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:45,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:59:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:59:45,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:45,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:45,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:45,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:46,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:46,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 04:59:46,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:46,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-14 04:59:46,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:46,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 04:59:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:46,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 04:59:46,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:46,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:46,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:46,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:46,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:46,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:46,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 04:59:46,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:46,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:46,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:46,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:46,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:59:46,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 04:59:46,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:46,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:46,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:46,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:46,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:46,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 04:59:46,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:46,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:46,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:46,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:46,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:46,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:46,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:46,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:46,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:46,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:46,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:46,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:46,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:46,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:46,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:46,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:46,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:46,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:46,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:46,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 04:59:46,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-14 04:59:46,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:46,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:46,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 04:59:46,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:46,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 04:59:46,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:48,159 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 85 [2020-10-14 04:59:48,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:48,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:49,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:49,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:49,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-14 04:59:49,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:49,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 04:59:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:59:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1