/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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 04:59:27,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 04:59:27,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 04:59:27,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 04:59:27,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 04:59:27,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 04:59:27,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 04:59:27,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 04:59:27,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 04:59:27,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 04:59:27,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 04:59:27,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 04:59:27,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 04:59:27,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 04:59:27,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 04:59:27,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 04:59:27,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 04:59:27,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 04:59:27,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 04:59:27,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 04:59:27,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 04:59:27,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 04:59:27,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 04:59:27,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 04:59:27,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 04:59:27,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 04:59:27,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 04:59:27,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 04:59:27,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 04:59:27,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 04:59:27,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 04:59:27,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 04:59:27,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 04:59:27,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 04:59:27,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 04:59:27,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 04:59:27,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 04:59:27,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 04:59:27,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 04:59:27,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 04:59:27,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 04:59:27,800 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 04:59:27,844 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 04:59:27,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 04:59:27,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 04:59:27,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 04:59:27,847 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 04:59:27,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 04:59:27,848 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 04:59:27,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 04:59:27,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 04:59:27,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 04:59:27,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 04:59:27,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 04:59:27,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 04:59:27,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 04:59:27,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 04:59:27,850 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 04:59:27,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 04:59:27,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 04:59:27,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 04:59:27,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 04:59:27,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 04:59:27,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 04:59:27,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 04:59:27,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 04:59:27,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 04:59:27,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 04:59:27,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 04:59:27,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 04:59:27,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 04:59:27,853 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 04:59:28,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 04:59:28,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 04:59:28,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 04:59:28,193 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 04:59:28,194 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 04:59:28,194 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex.i [2020-10-14 04:59:28,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da9a04917/469fa74b549a412a9e5c5a4f858f0571/FLAGffa4045be [2020-10-14 04:59:28,849 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 04:59:28,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex.i [2020-10-14 04:59:28,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da9a04917/469fa74b549a412a9e5c5a4f858f0571/FLAGffa4045be [2020-10-14 04:59:29,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da9a04917/469fa74b549a412a9e5c5a4f858f0571 [2020-10-14 04:59:29,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 04:59:29,134 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 04:59:29,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 04:59:29,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 04:59:29,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 04:59:29,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:59:29" (1/1) ... [2020-10-14 04:59:29,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32edbb8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29, skipping insertion in model container [2020-10-14 04:59:29,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:59:29" (1/1) ... [2020-10-14 04:59:29,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 04:59:29,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 04:59:29,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:59:29,706 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 04:59:29,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:59:29,902 INFO L208 MainTranslator]: Completed translation [2020-10-14 04:59:29,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29 WrapperNode [2020-10-14 04:59:29,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 04:59:29,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 04:59:29,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 04:59:29,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 04:59:29,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29" (1/1) ... [2020-10-14 04:59:29,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29" (1/1) ... [2020-10-14 04:59:29,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29" (1/1) ... [2020-10-14 04:59:29,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29" (1/1) ... [2020-10-14 04:59:29,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29" (1/1) ... [2020-10-14 04:59:29,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29" (1/1) ... [2020-10-14 04:59:29,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29" (1/1) ... [2020-10-14 04:59:29,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 04:59:29,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 04:59:29,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 04:59:29,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 04:59:29,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29" (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 04:59:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 04:59:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 04:59:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 04:59:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 04:59:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 04:59:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 04:59:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-14 04:59:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-14 04:59:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-14 04:59:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-14 04:59:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-14 04:59:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-14 04:59:30,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-14 04:59:30,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-14 04:59:30,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-14 04:59:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-14 04:59:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-14 04:59:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-14 04:59:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-14 04:59:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 04:59:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 04:59:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 04:59:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 04:59:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-14 04:59:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 04:59:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 04:59:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 04:59:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 04:59:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 04:59:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 04:59:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 04:59:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 04:59:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 04:59:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 04:59:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 04:59:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 04:59:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 04:59:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 04:59:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 04:59:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 04:59:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 04:59:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 04:59:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 04:59:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 04:59:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 04:59:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 04:59:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 04:59:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 04:59:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 04:59:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 04:59:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 04:59:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 04:59:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 04:59:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 04:59:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 04:59:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 04:59:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 04:59:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 04:59:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 04:59:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 04:59:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 04:59:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 04:59:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 04:59:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 04:59:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 04:59:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 04:59:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 04:59:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 04:59:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 04:59:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 04:59:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 04:59:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 04:59:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 04:59:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 04:59:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 04:59:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 04:59:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 04:59:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 04:59:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 04:59:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 04:59:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 04:59:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 04:59:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 04:59:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 04:59:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 04:59:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 04:59:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 04:59:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 04:59:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 04:59:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 04:59:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 04:59:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 04:59:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 04:59:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 04:59:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 04:59:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 04:59:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 04:59:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 04:59:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 04:59:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 04:59:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 04:59:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 04:59:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 04:59:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 04:59:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 04:59:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 04:59:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 04:59:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 04:59:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 04:59:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 04:59:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 04:59:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 04:59:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 04:59:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 04:59:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 04:59:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 04:59:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 04:59:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 04:59:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 04:59:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 04:59:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 04:59:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 04:59:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-14 04:59:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-14 04:59:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 04:59:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-14 04:59:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-14 04:59:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-14 04:59:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 04:59:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-14 04:59:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-14 04:59:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-14 04:59:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-14 04:59:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-14 04:59:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-14 04:59:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-14 04:59:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-14 04:59:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 04:59:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 04:59:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 04:59:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 04:59:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 04:59:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-14 04:59:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 04:59:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 04:59:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 04:59:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 04:59:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 04:59:30,801 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 04:59:30,802 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 04:59:30,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:59:30 BoogieIcfgContainer [2020-10-14 04:59:30,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 04:59:30,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 04:59:30,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 04:59:30,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 04:59:30,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:59:29" (1/3) ... [2020-10-14 04:59:30,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f27db25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:59:30, skipping insertion in model container [2020-10-14 04:59:30,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:29" (2/3) ... [2020-10-14 04:59:30,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f27db25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:59:30, skipping insertion in model container [2020-10-14 04:59:30,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:59:30" (3/3) ... [2020-10-14 04:59:30,823 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex.i [2020-10-14 04:59:30,835 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 04:59:30,846 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-14 04:59:30,862 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-14 04:59:30,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 04:59:30,894 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 04:59:30,894 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 04:59:30,895 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 04:59:30,895 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 04:59:30,895 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 04:59:30,895 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 04:59:30,895 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 04:59:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-14 04:59:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 04:59:30,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:30,950 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 04:59:30,950 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:30,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:30,957 INFO L82 PathProgramCache]: Analyzing trace with hash -326397870, now seen corresponding path program 1 times [2020-10-14 04:59:30,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:30,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143500264] [2020-10-14 04:59:30,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:31,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:31,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 04:59:31,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 04:59:31,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 492 [2020-10-14 04:59:31,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:31,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:31,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:31,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 04:59:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 04:59:31,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:31,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:31,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:31,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:31,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 04:59:31,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:31,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:31,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:31,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:31,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:31,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:31,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:31,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:31,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:31,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:31,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:31,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:31,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:31,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:31,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:31,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:31,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:31,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:31,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 04:59:31,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:31,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:31,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:31,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 04:59:31,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:31,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:31,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:31,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:31,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:31,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:31,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:31,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 04:59:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:31,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 04:59:31,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:31,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:31,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:31,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:31,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 04:59:31,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:31,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:31,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:31,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:31,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:31,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 04:59:31,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:31,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:31,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:31,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:31,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 04:59:31,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:31,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 04:59:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:31,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:31,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:59:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:31,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:31,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:31,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:31,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:31,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 04:59:31,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:31,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:31,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:31,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:31,879 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 04:59:31,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143500264] [2020-10-14 04:59:31,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:59:31,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 04:59:31,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845148711] [2020-10-14 04:59:31,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 04:59:31,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:31,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 04:59:31,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 04:59:31,910 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 4 states. [2020-10-14 04:59:32,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:32,216 INFO L93 Difference]: Finished difference Result 217 states and 268 transitions. [2020-10-14 04:59:32,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 04:59:32,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-10-14 04:59:32,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:32,232 INFO L225 Difference]: With dead ends: 217 [2020-10-14 04:59:32,232 INFO L226 Difference]: Without dead ends: 111 [2020-10-14 04:59:32,238 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 04:59:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-14 04:59:32,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2020-10-14 04:59:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-14 04:59:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions. [2020-10-14 04:59:32,304 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 108 transitions. Word has length 42 [2020-10-14 04:59:32,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:32,305 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 108 transitions. [2020-10-14 04:59:32,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 04:59:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2020-10-14 04:59:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 04:59:32,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:32,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 04:59:32,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 04:59:32,309 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:32,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:32,310 INFO L82 PathProgramCache]: Analyzing trace with hash -934339182, now seen corresponding path program 1 times [2020-10-14 04:59:32,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:32,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690529161] [2020-10-14 04:59:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:32,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:32,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:32,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 04:59:32,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:32,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 04:59:32,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:32,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 04:59:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:32,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:32,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:32,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:32,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:32,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:32,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:32,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:32,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:32,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:32,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:32,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:32,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:32,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:32,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:32,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:32,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:32,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:32,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:32,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:32,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:32,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:32,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:32,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:32,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:32,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:32,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:32,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:32,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:32,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:32,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:32,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:32,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:32,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:32,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:32,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:32,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:32,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:32,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:32,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:32,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:32,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:32,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:32,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:32,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:32,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:32,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:32,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:32,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:32,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:32,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:32,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:32,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:32,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:32,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:32,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:32,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:32,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:32,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:32,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:32,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:32,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:32,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:32,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:32,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:32,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:32,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:59:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:32,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:32,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:32,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:32,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:32,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 04:59:32,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:32,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:32,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:32,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:32,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:59:32,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:32,658 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 04:59:32,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690529161] [2020-10-14 04:59:32,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:59:32,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 04:59:32,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020749384] [2020-10-14 04:59:32,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 04:59:32,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:32,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 04:59:32,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 04:59:32,662 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand 6 states. [2020-10-14 04:59:33,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:33,047 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2020-10-14 04:59:33,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 04:59:33,048 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-14 04:59:33,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:33,051 INFO L225 Difference]: With dead ends: 117 [2020-10-14 04:59:33,051 INFO L226 Difference]: Without dead ends: 115 [2020-10-14 04:59:33,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 04:59:33,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-14 04:59:33,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-14 04:59:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-14 04:59:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions. [2020-10-14 04:59:33,070 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 42 [2020-10-14 04:59:33,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:33,071 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions. [2020-10-14 04:59:33,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 04:59:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2020-10-14 04:59:33,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 04:59:33,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:33,073 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 04:59:33,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 04:59:33,073 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:33,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:33,073 INFO L82 PathProgramCache]: Analyzing trace with hash 640264123, now seen corresponding path program 1 times [2020-10-14 04:59:33,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:33,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129939511] [2020-10-14 04:59:33,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:33,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:33,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:33,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 04:59:33,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:33,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-14 04:59:33,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:33,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:33,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 04:59:33,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:59:33,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 04:59:33,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:33,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:33,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:33,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:33,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:33,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:33,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 04:59:33,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:33,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 04:59:33,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:33,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:33,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:33,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:33,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:33,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:33,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:33,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 04:59:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:33,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:33,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:33,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:33,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:33,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 04:59:33,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:33,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:33,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:33,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:33,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:33,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:33,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:33,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:33,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:33,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:33,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:33,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:33,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:33,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:33,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:33,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:33,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:33,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:33,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 04:59:33,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:33,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:33,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:33,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:33,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:33,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:33,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:33,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:33,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:33,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:33,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:33,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:33,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:33,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:33,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:33,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:33,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:59:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:33,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:33,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:33,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:33,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:33,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 04:59:33,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:33,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:33,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 04:59:33,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 04:59:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:59:33,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:33,588 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 04:59:33,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129939511] [2020-10-14 04:59:33,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:59:33,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 04:59:33,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298649979] [2020-10-14 04:59:33,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 04:59:33,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:33,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 04:59:33,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-14 04:59:33,591 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand 7 states. [2020-10-14 04:59:34,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:34,644 INFO L93 Difference]: Finished difference Result 288 states and 346 transitions. [2020-10-14 04:59:34,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 04:59:34,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-14 04:59:34,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:34,648 INFO L225 Difference]: With dead ends: 288 [2020-10-14 04:59:34,648 INFO L226 Difference]: Without dead ends: 200 [2020-10-14 04:59:34,650 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 04:59:34,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-14 04:59:34,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 163. [2020-10-14 04:59:34,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-14 04:59:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 194 transitions. [2020-10-14 04:59:34,679 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 194 transitions. Word has length 42 [2020-10-14 04:59:34,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:34,679 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 194 transitions. [2020-10-14 04:59:34,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 04:59:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 194 transitions. [2020-10-14 04:59:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 04:59:34,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:34,683 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 04:59:34,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 04:59:34,684 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:34,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:34,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1149911364, now seen corresponding path program 1 times [2020-10-14 04:59:34,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:34,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657985468] [2020-10-14 04:59:34,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 04:59:35,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:35,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-14 04:59:35,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:35,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 04:59:35,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:35,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:35,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:35,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:35,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:35,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:35,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:35,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:35,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,231 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 04:59:35,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:35,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:35,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:35,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 04:59:35,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:35,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:35,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 04:59:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:35,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 04:59:35,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:35,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 04:59:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:35,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:35,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 04:59:35,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 04:59:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:35,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 04:59:35,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:59:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 04:59:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:35,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:35,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 04:59:35,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 04:59:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:35,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:35,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:35,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 04:59:35,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:35,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 04:59:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:59:35,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:35,629 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 04:59:35,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657985468] [2020-10-14 04:59:35,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:59:35,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 04:59:35,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917878950] [2020-10-14 04:59:35,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 04:59:35,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:35,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 04:59:35,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 04:59:35,634 INFO L87 Difference]: Start difference. First operand 163 states and 194 transitions. Second operand 7 states. [2020-10-14 04:59:36,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:36,070 INFO L93 Difference]: Finished difference Result 296 states and 353 transitions. [2020-10-14 04:59:36,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 04:59:36,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-14 04:59:36,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:36,073 INFO L225 Difference]: With dead ends: 296 [2020-10-14 04:59:36,073 INFO L226 Difference]: Without dead ends: 171 [2020-10-14 04:59:36,075 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 04:59:36,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-14 04:59:36,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-14 04:59:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-14 04:59:36,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 200 transitions. [2020-10-14 04:59:36,098 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 200 transitions. Word has length 90 [2020-10-14 04:59:36,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:36,099 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 200 transitions. [2020-10-14 04:59:36,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 04:59:36,099 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 200 transitions. [2020-10-14 04:59:36,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 04:59:36,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:36,103 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 04:59:36,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 04:59:36,103 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:36,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:36,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1610969230, now seen corresponding path program 1 times [2020-10-14 04:59:36,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:36,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681626213] [2020-10-14 04:59:36,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:36,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:36,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:36,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:36,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:40,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:40,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 04:59:41,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 04:59:41,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-14 04:59:41,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 04:59:41,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:59:41,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 04:59:41,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:41,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:41,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:41,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 04:59:41,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 04:59:41,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:41,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:41,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:41,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:41,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 04:59:41,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:41,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:41,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:41,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 04:59:41,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:41,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:41,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:41,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:41,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:41,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:41,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:41,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 04:59:41,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:41,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:41,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 04:59:41,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:41,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:41,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:41,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:41,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:41,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 04:59:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:41,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:41,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-14 04:59:41,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 04:59:41,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:41,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 04:59:41,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:41,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:41,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:41,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 04:59:41,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:59:41,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:41,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:41,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:41,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 04:59:41,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 04:59:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 04:59:41,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:41,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:41,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:41,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:41,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 04:59:41,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:41,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:41,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:59:41,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:41,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:59:41,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:41,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 04:59:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:41,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:41,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:42,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:42,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:42,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:42,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 04:59:42,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:42,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:42,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 04:59:42,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:42,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:42,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:42,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:42,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:42,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:42,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:42,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:42,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:42,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:42,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:42,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:42,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:42,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:42,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:42,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:42,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:42,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:59:42,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:42,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:42,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:42,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:42,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:42,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:42,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:42,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:42,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:42,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:42,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:42,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:42,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 04:59:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:42,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:42,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:42,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:42,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:42,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:42,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:42,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:42,094 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 04:59:42,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681626213] [2020-10-14 04:59:42,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:59:42,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 04:59:42,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83629688] [2020-10-14 04:59:42,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 04:59:42,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:42,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 04:59:42,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-14 04:59:42,097 INFO L87 Difference]: Start difference. First operand 169 states and 200 transitions. Second operand 12 states. [2020-10-14 04:59:44,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:44,276 INFO L93 Difference]: Finished difference Result 405 states and 483 transitions. [2020-10-14 04:59:44,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 04:59:44,278 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-14 04:59:44,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:44,281 INFO L225 Difference]: With dead ends: 405 [2020-10-14 04:59:44,281 INFO L226 Difference]: Without dead ends: 230 [2020-10-14 04:59:44,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=276, Invalid=1056, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 04:59:44,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-14 04:59:44,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 174. [2020-10-14 04:59:44,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-14 04:59:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 197 transitions. [2020-10-14 04:59:44,321 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 197 transitions. Word has length 90 [2020-10-14 04:59:44,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:44,321 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 197 transitions. [2020-10-14 04:59:44,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 04:59:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 197 transitions. [2020-10-14 04:59:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 04:59:44,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:44,323 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 04:59:44,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 04:59:44,324 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:44,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:44,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1106436747, now seen corresponding path program 1 times [2020-10-14 04:59:44,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:44,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503058224] [2020-10-14 04:59:44,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:44,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:44,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:45,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:45,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:49,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:49,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 04:59:49,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 04:59:49,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 04:59:49,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:49,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 04:59:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:59:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 04:59:49,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:49,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:49,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:49,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:49,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:49,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:49,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:49,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:49,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 04:59:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:49,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:49,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:49,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:49,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:49,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:49,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:49,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:49,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 04:59:49,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:49,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:49,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:49,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:49,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:49,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:49,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 04:59:49,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:49,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:59:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:49,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:49,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:49,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:49,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:49,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:49,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:49,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:49,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:49,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:59:49,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:49,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:49,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:49,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:49,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:49,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:49,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 04:59:49,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:49,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:49,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 04:59:49,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 04:59:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:49,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:49,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:49,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:49,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:49,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:49,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:59:49,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:49,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:59:49,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:49,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 04:59:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:49,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:50,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:50,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:54,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:54,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 04:59:54,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 04:59:54,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 04:59:54,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:54,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 04:59:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 04:59:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:55,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:55,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:55,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:55,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:55,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:55,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:55,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:55,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:55,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:59:55,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:55,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:55,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:55,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:56,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:56,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 04:59:56,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:56,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-10-14 04:59:56,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:56,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 04:59:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 04:59:56,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:56,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:56,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:56,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:56,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:56,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:56,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 04:59:56,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:56,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:56,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:59:56,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:56,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:59:56,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:56,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:56,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:56,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:56,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:56,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:56,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 04:59:56,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:56,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:56,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:56,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:56,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:56,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:56,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:56,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:56,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:56,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:56,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:56,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:56,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:56,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:56,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:56,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 04:59:56,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:56,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 04:59:56,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:56,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 04:59:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 04:59:56,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:57,564 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2020-10-14 04:59:57,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:57,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:57,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:57,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:57,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:57,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 04:59:57,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:57,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 04:59:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:59:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1