/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_double_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 04:59:20,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 04:59:20,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 04:59:20,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 04:59:20,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 04:59:20,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 04:59:20,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 04:59:20,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 04:59:20,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 04:59:20,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 04:59:20,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 04:59:20,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 04:59:20,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 04:59:20,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 04:59:20,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 04:59:20,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 04:59:20,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 04:59:20,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 04:59:20,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 04:59:20,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 04:59:20,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 04:59:20,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 04:59:20,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 04:59:20,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 04:59:20,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 04:59:20,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 04:59:20,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 04:59:20,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 04:59:20,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 04:59:20,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 04:59:20,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 04:59:20,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 04:59:20,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 04:59:20,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 04:59:20,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 04:59:20,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 04:59:20,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 04:59:20,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 04:59:20,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 04:59:20,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 04:59:20,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 04:59:20,658 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 04:59:20,703 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 04:59:20,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 04:59:20,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 04:59:20,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 04:59:20,709 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 04:59:20,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 04:59:20,709 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 04:59:20,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 04:59:20,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 04:59:20,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 04:59:20,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 04:59:20,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 04:59:20,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 04:59:20,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 04:59:20,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 04:59:20,711 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 04:59:20,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 04:59:20,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 04:59:20,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 04:59:20,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 04:59:20,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 04:59:20,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 04:59:20,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 04:59:20,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 04:59:20,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 04:59:20,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 04:59:20,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 04:59:20,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 04:59:20,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 04:59:20,713 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 04:59:21,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 04:59:21,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 04:59:21,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 04:59:21,050 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 04:59:21,050 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 04:59:21,051 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-10-14 04:59:21,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84358fe33/bde901b3ddd04e03a9ae10903b1126c1/FLAG08dc465c3 [2020-10-14 04:59:21,697 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 04:59:21,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-10-14 04:59:21,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84358fe33/bde901b3ddd04e03a9ae10903b1126c1/FLAG08dc465c3 [2020-10-14 04:59:21,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84358fe33/bde901b3ddd04e03a9ae10903b1126c1 [2020-10-14 04:59:21,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 04:59:21,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 04:59:21,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 04:59:21,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 04:59:21,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 04:59:21,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:59:21" (1/1) ... [2020-10-14 04:59:21,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4712c1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:21, skipping insertion in model container [2020-10-14 04:59:21,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:59:21" (1/1) ... [2020-10-14 04:59:21,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 04:59:22,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 04:59:22,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:59:22,559 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 04:59:22,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:59:22,752 INFO L208 MainTranslator]: Completed translation [2020-10-14 04:59:22,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22 WrapperNode [2020-10-14 04:59:22,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 04:59:22,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 04:59:22,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 04:59:22,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 04:59:22,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22" (1/1) ... [2020-10-14 04:59:22,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22" (1/1) ... [2020-10-14 04:59:22,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22" (1/1) ... [2020-10-14 04:59:22,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22" (1/1) ... [2020-10-14 04:59:22,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22" (1/1) ... [2020-10-14 04:59:22,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22" (1/1) ... [2020-10-14 04:59:22,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22" (1/1) ... [2020-10-14 04:59:22,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 04:59:22,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 04:59:22,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 04:59:22,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 04:59:22,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22" (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 04:59:22,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 04:59:22,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 04:59:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 04:59:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 04:59:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 04:59:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 04:59:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-14 04:59:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-14 04:59:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-14 04:59:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-14 04:59:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-14 04:59:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-14 04:59:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-14 04:59:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-14 04:59:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-14 04:59:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-14 04:59:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-14 04:59:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-14 04:59:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-14 04:59:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 04:59:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 04:59:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 04:59:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 04:59:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-14 04:59:22,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 04:59:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 04:59:22,913 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 04:59:22,913 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 04:59:22,913 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 04:59:22,913 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 04:59:22,913 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 04:59:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 04:59:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 04:59:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 04:59:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 04:59:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 04:59:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 04:59:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 04:59:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 04:59:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 04:59:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 04:59:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 04:59:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 04:59:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 04:59:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 04:59:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 04:59:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 04:59:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 04:59:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 04:59:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 04:59:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 04:59:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 04:59:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 04:59:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 04:59:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 04:59:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 04:59:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 04:59:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 04:59:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 04:59:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 04:59:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 04:59:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 04:59:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 04:59:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 04:59:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 04:59:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 04:59:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 04:59:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 04:59:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 04:59:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 04:59:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 04:59:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 04:59:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 04:59:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 04:59:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 04:59:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 04:59:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 04:59:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 04:59:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 04:59:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 04:59:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 04:59:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 04:59:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 04:59:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 04:59:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 04:59:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 04:59:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 04:59:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 04:59:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 04:59:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 04:59:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 04:59:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 04:59:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 04:59:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 04:59:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 04:59:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 04:59:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 04:59:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 04:59:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 04:59:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 04:59:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 04:59:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 04:59:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 04:59:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 04:59:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 04:59:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 04:59:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 04:59:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 04:59:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 04:59:22,924 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 04:59:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 04:59:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 04:59:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 04:59:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 04:59:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 04:59:22,925 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 04:59:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 04:59:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 04:59:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 04:59:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 04:59:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 04:59:22,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 04:59:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-14 04:59:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-14 04:59:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 04:59:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-14 04:59:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-14 04:59:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-14 04:59:22,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 04:59:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-14 04:59:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-14 04:59:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-14 04:59:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-14 04:59:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-14 04:59:22,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-14 04:59:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-14 04:59:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-14 04:59:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 04:59:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 04:59:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 04:59:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 04:59:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 04:59:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-14 04:59:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 04:59:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 04:59:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 04:59:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 04:59:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 04:59:23,584 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 04:59:23,584 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 04:59:23,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:59:23 BoogieIcfgContainer [2020-10-14 04:59:23,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 04:59:23,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 04:59:23,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 04:59:23,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 04:59:23,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:59:21" (1/3) ... [2020-10-14 04:59:23,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713058bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:59:23, skipping insertion in model container [2020-10-14 04:59:23,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:22" (2/3) ... [2020-10-14 04:59:23,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713058bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:59:23, skipping insertion in model container [2020-10-14 04:59:23,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:59:23" (3/3) ... [2020-10-14 04:59:23,599 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2020-10-14 04:59:23,610 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 04:59:23,619 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-14 04:59:23,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-14 04:59:23,658 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 04:59:23,658 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 04:59:23,658 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 04:59:23,658 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 04:59:23,658 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 04:59:23,659 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 04:59:23,659 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 04:59:23,659 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 04:59:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-14 04:59:23,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 04:59:23,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:23,691 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 04:59:23,691 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:23,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:23,698 INFO L82 PathProgramCache]: Analyzing trace with hash -326397870, now seen corresponding path program 1 times [2020-10-14 04:59:23,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:23,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137617615] [2020-10-14 04:59:23,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:23,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:23,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:24,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 04:59:24,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 04:59:24,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-14 04:59:24,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:24,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:24,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 04:59:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 04:59:24,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:24,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:24,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:24,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:24,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 04:59:24,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:24,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:24,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:24,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:24,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:24,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:24,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:24,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:24,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:24,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:24,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:24,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:24,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 04:59:24,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:24,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:24,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:24,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:24,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:24,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:24,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:24,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:24,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:24,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:24,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:24,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:24,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:24,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 04:59:24,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:24,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:24,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:24,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:24,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:24,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 04:59:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:24,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:24,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:24,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:24,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:24,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:24,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:24,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:24,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 04:59:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:24,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:59:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:24,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:24,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:24,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:24,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:24,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:24,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:24,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:24,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:24,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:24,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:24,476 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 04:59:24,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137617615] [2020-10-14 04:59:24,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:59:24,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 04:59:24,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054500559] [2020-10-14 04:59:24,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 04:59:24,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:24,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 04:59:24,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 04:59:24,504 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 4 states. [2020-10-14 04:59:24,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:24,760 INFO L93 Difference]: Finished difference Result 217 states and 268 transitions. [2020-10-14 04:59:24,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 04:59:24,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-10-14 04:59:24,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:24,775 INFO L225 Difference]: With dead ends: 217 [2020-10-14 04:59:24,776 INFO L226 Difference]: Without dead ends: 111 [2020-10-14 04:59:24,781 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 04:59:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-14 04:59:24,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2020-10-14 04:59:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-14 04:59:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions. [2020-10-14 04:59:24,848 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 108 transitions. Word has length 42 [2020-10-14 04:59:24,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:24,849 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 108 transitions. [2020-10-14 04:59:24,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 04:59:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2020-10-14 04:59:24,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 04:59:24,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:24,852 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 04:59:24,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 04:59:24,853 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:24,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:24,854 INFO L82 PathProgramCache]: Analyzing trace with hash -934339182, now seen corresponding path program 1 times [2020-10-14 04:59:24,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:24,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541900264] [2020-10-14 04:59:24,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:24,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:24,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:24,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 04:59:24,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:24,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 04:59:24,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:24,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 04:59:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:24,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:25,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:25,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:25,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 27 [2020-10-14 04:59:25,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:25,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:25,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:25,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:59:25,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:25,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:25,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:25,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:25,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 04:59:25,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:25,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:25,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:25,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:25,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:59:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:25,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 04:59:25,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:59:25,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:25,173 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 04:59:25,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541900264] [2020-10-14 04:59:25,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:59:25,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 04:59:25,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918399134] [2020-10-14 04:59:25,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 04:59:25,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:25,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 04:59:25,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 04:59:25,178 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand 6 states. [2020-10-14 04:59:25,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:25,545 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2020-10-14 04:59:25,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 04:59:25,545 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-14 04:59:25,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:25,548 INFO L225 Difference]: With dead ends: 117 [2020-10-14 04:59:25,548 INFO L226 Difference]: Without dead ends: 115 [2020-10-14 04:59:25,550 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 04:59:25,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-14 04:59:25,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-14 04:59:25,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-14 04:59:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions. [2020-10-14 04:59:25,568 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 42 [2020-10-14 04:59:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:25,569 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions. [2020-10-14 04:59:25,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 04:59:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2020-10-14 04:59:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 04:59:25,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:25,571 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 04:59:25,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 04:59:25,571 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:25,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:25,572 INFO L82 PathProgramCache]: Analyzing trace with hash 640264123, now seen corresponding path program 1 times [2020-10-14 04:59:25,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:25,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1984148147] [2020-10-14 04:59:25,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:25,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:25,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:25,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 04:59:25,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:25,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-10-14 04:59:25,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:25,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:25,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 04:59:25,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:59:25,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 04:59:25,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 29 [2020-10-14 04:59:25,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:26,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 04:59:26,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 04:59:26,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:26,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:26,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:26,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 04:59:26,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:26,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 04:59:26,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:26,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:26,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:26,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:26,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:26,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:26,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 04:59:26,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:26,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:26,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:26,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:26,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 04:59:26,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:59:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:26,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:26,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:26,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:26,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:26,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 04:59:26,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:26,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 04:59:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 04:59:26,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:59:26,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 04:59:26,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1984148147] [2020-10-14 04:59:26,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:59:26,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 04:59:26,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367537395] [2020-10-14 04:59:26,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 04:59:26,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:26,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 04:59:26,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-14 04:59:26,281 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand 7 states. [2020-10-14 04:59:27,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:27,348 INFO L93 Difference]: Finished difference Result 288 states and 346 transitions. [2020-10-14 04:59:27,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 04:59:27,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-14 04:59:27,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:27,356 INFO L225 Difference]: With dead ends: 288 [2020-10-14 04:59:27,356 INFO L226 Difference]: Without dead ends: 200 [2020-10-14 04:59:27,358 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 04:59:27,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-14 04:59:27,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 163. [2020-10-14 04:59:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-14 04:59:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 194 transitions. [2020-10-14 04:59:27,387 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 194 transitions. Word has length 42 [2020-10-14 04:59:27,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:27,387 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 194 transitions. [2020-10-14 04:59:27,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 04:59:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 194 transitions. [2020-10-14 04:59:27,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 04:59:27,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:27,391 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 04:59:27,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 04:59:27,392 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:27,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:27,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1149911364, now seen corresponding path program 1 times [2020-10-14 04:59:27,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:27,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983967680] [2020-10-14 04:59:27,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:27,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:27,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:27,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:27,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 04:59:27,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-10-14 04:59:27,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:27,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 04:59:27,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:27,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:28,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:28,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:28,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:28,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:28,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:28,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 04:59:28,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:28,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:28,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:28,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 04:59:28,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:28,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:28,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 04:59:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:28,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 04:59:28,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 04:59:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:28,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:28,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:28,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:28,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:28,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 04:59:28,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 04:59:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 04:59:28,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:28,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 04:59:28,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:59:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:59:28,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 04:59:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:28,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 04:59:28,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 04:59:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:28,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:59:28,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:28,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 04:59:28,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:28,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:28,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:59:28,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 04:59:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:28,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:28,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:28,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:28,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:28,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:59:28,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:28,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:28,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:28,452 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 04:59:28,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983967680] [2020-10-14 04:59:28,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:59:28,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 04:59:28,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328335591] [2020-10-14 04:59:28,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 04:59:28,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:28,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 04:59:28,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 04:59:28,457 INFO L87 Difference]: Start difference. First operand 163 states and 194 transitions. Second operand 7 states. [2020-10-14 04:59:29,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:29,032 INFO L93 Difference]: Finished difference Result 296 states and 353 transitions. [2020-10-14 04:59:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 04:59:29,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-14 04:59:29,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:29,042 INFO L225 Difference]: With dead ends: 296 [2020-10-14 04:59:29,042 INFO L226 Difference]: Without dead ends: 171 [2020-10-14 04:59:29,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 04:59:29,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-14 04:59:29,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-14 04:59:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-14 04:59:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 200 transitions. [2020-10-14 04:59:29,097 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 200 transitions. Word has length 90 [2020-10-14 04:59:29,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:29,098 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 200 transitions. [2020-10-14 04:59:29,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 04:59:29,098 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 200 transitions. [2020-10-14 04:59:29,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 04:59:29,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:29,103 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 04:59:29,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 04:59:29,104 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:29,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:29,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1610969230, now seen corresponding path program 1 times [2020-10-14 04:59:29,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:29,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468636256] [2020-10-14 04:59:29,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:29,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:29,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:33,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:33,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 04:59:34,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 04:59:34,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 04:59:34,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 04:59:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:59:34,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 04:59:34,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:34,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:59:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:59:34,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 04:59:34,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:34,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 04:59:34,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:34,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:59:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 04:59:34,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:34,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 04:59:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:34,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:34,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 04:59:34,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:34,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:34,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:34,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:34,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:34,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:34,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 04:59:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 04:59:34,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 04:59:34,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 04:59:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:34,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:59:34,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 04:59:34,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:34,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 04:59:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:34,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:34,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-14 04:59:34,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 04:59:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 04:59:34,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:34,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:34,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 04:59:34,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:59:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:34,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:59:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:34,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:34,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 04:59:34,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 04:59:34,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:59:34,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 04:59:34,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:34,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:34,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 04:59:34,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:59:34,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:34,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:59:34,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:34,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 04:59:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 04:59:34,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:59:34,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 04:59:34,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 04:59:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:34,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:34,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:34,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:59:34,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:34,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:34,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 04:59:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:34,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:34,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:34,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:59:34,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:34,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:59:34,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:34,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:34,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:34,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:34,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:34,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:59:35,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:59:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:59:35,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:59:35,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 04:59:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:59:35,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:59:35,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:59:35,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 04:59:35,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:59:35,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:59:35,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:59:35,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:59:35,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:59:35,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 04:59:35,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:59:35,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:59:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-14 04:59:35,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468636256] [2020-10-14 04:59:35,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:59:35,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 04:59:35,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992577120] [2020-10-14 04:59:35,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 04:59:35,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:59:35,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 04:59:35,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-14 04:59:35,057 INFO L87 Difference]: Start difference. First operand 169 states and 200 transitions. Second operand 12 states. [2020-10-14 04:59:37,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:59:37,266 INFO L93 Difference]: Finished difference Result 405 states and 483 transitions. [2020-10-14 04:59:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 04:59:37,267 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-14 04:59:37,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:59:37,269 INFO L225 Difference]: With dead ends: 405 [2020-10-14 04:59:37,269 INFO L226 Difference]: Without dead ends: 230 [2020-10-14 04:59:37,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=276, Invalid=1056, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 04:59:37,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-14 04:59:37,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 174. [2020-10-14 04:59:37,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-14 04:59:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 197 transitions. [2020-10-14 04:59:37,295 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 197 transitions. Word has length 90 [2020-10-14 04:59:37,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:59:37,295 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 197 transitions. [2020-10-14 04:59:37,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 04:59:37,296 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 197 transitions. [2020-10-14 04:59:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 04:59:37,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:59:37,297 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 04:59:37,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 04:59:37,298 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:59:37,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:59:37,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1106436747, now seen corresponding path program 1 times [2020-10-14 04:59:37,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:59:37,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1736007083] [2020-10-14 04:59:37,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:59:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 04:59:37,333 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 04:59:37,334 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 04:59:37,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 04:59:37,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:59:37 BoogieIcfgContainer [2020-10-14 04:59:37,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 04:59:37,363 INFO L168 Benchmark]: Toolchain (without parser) took 15404.25 ms. Allocated memory was 146.3 MB in the beginning and 450.9 MB in the end (delta: 304.6 MB). Free memory was 101.0 MB in the beginning and 265.8 MB in the end (delta: -164.7 MB). Peak memory consumption was 139.9 MB. Max. memory is 7.1 GB. [2020-10-14 04:59:37,364 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 04:59:37,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.74 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 100.6 MB in the beginning and 162.2 MB in the end (delta: -61.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-10-14 04:59:37,366 INFO L168 Benchmark]: Boogie Preprocessor took 81.99 ms. Allocated memory is still 201.9 MB. Free memory was 162.2 MB in the beginning and 159.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-14 04:59:37,367 INFO L168 Benchmark]: RCFGBuilder took 751.76 ms. Allocated memory is still 201.9 MB. Free memory was 159.3 MB in the beginning and 97.9 MB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2020-10-14 04:59:37,368 INFO L168 Benchmark]: TraceAbstraction took 13769.92 ms. Allocated memory was 201.9 MB in the beginning and 450.9 MB in the end (delta: 249.0 MB). Free memory was 97.9 MB in the beginning and 265.8 MB in the end (delta: -167.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2020-10-14 04:59:37,371 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 795.74 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 100.6 MB in the beginning and 162.2 MB in the end (delta: -61.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.99 ms. Allocated memory is still 201.9 MB. Free memory was 162.2 MB in the beginning and 159.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 751.76 ms. Allocated memory is still 201.9 MB. Free memory was 159.3 MB in the beginning and 97.9 MB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13769.92 ms. Allocated memory was 201.9 MB in the beginning and 450.9 MB in the end (delta: 249.0 MB). Free memory was 97.9 MB in the beginning and 265.8 MB in the end (delta: -167.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 658]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L654] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L681] CALL foo() [L670] FCALL ldv_initialize() [L671] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L671] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L671] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L672] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L672] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L672] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L673] CALL mutex_lock(m1) [L658] CALL ldv_is_in_set(m, &mutexes) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND FALSE !(&m->list != (s)) [L649] return 0; [L658] RET ldv_is_in_set(m, &mutexes) [L658] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L659] CALL ldv_set_add(m, &mutexes) [L625] CALL, EXPR ldv_is_in_set(new, s) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND FALSE !(&m->list != (s)) [L649] return 0; [L625] RET, EXPR ldv_is_in_set(new, s) [L625] COND TRUE !ldv_is_in_set(new, s) [L626] struct ldv_list_element *le; [L627] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L627] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L627] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L628] le->e = new [L629] CALL ldv_list_add(&le->list, s) [L597] EXPR head->next [L597] CALL __ldv_list_add(new, head, head->next) [L585] next->prev = new [L586] new->next = next [L587] new->prev = prev [L588] prev->next = new [L597] RET __ldv_list_add(new, head, head->next) [L629] RET ldv_list_add(&le->list, s) [L659] RET ldv_set_add(m, &mutexes) [L673] RET mutex_lock(m1) [L674] CALL mutex_lock(m1) [L658] CALL ldv_is_in_set(m, &mutexes) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND TRUE &m->list != (s) [L645] EXPR m->e [L645] COND TRUE m->e == e [L646] return 1; [L658] RET ldv_is_in_set(m, &mutexes) [L658] COND TRUE ldv_is_in_set(m, &mutexes) [L658] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.6s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 530 SDtfs, 740 SDslu, 406 SDs, 0 SdLazy, 2135 SolverSat, 432 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 121 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 80474 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 132/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...