/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 SingleStatement --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=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-c90d42b [2020-09-25 13:28:13,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:28:13,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:28:13,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:28:13,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:28:13,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:28:13,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:28:13,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:28:13,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:28:13,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:28:13,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:28:13,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:28:13,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:28:13,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:28:13,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:28:13,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:28:13,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:28:13,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:28:13,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:28:13,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:28:13,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:28:13,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:28:13,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:28:13,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:28:13,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:28:13,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:28:13,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:28:13,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:28:13,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:28:13,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:28:13,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:28:13,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:28:13,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:28:13,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:28:13,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:28:13,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:28:13,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:28:13,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:28:13,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:28:13,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:28:13,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:28:13,345 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 [2020-09-25 13:28:13,373 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:28:13,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:28:13,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:28:13,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:28:13,375 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:28:13,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:28:13,375 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:28:13,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:28:13,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:28:13,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:28:13,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:28:13,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:28:13,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:28:13,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:28:13,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:28:13,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:28:13,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:28:13,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:28:13,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:28:13,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:28:13,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:28:13,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:28:13,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:28:13,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:28:13,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:28:13,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:28:13,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:28:13,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:28:13,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:28:13,380 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 -> SingleStatement 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=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:28:13,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:28:13,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:28:13,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:28:13,896 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:28:13,896 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:28:13,899 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-09-25 13:28:13,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ab2395c7/cd21d9fd9f6946268c32ed1b6feb95b5/FLAG379d3bfd0 [2020-09-25 13:28:14,647 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:28:14,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-09-25 13:28:14,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ab2395c7/cd21d9fd9f6946268c32ed1b6feb95b5/FLAG379d3bfd0 [2020-09-25 13:28:14,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ab2395c7/cd21d9fd9f6946268c32ed1b6feb95b5 [2020-09-25 13:28:14,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:28:14,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:28:14,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:28:14,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:28:14,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:28:14,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:28:14" (1/1) ... [2020-09-25 13:28:14,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b0f1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:14, skipping insertion in model container [2020-09-25 13:28:14,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:28:14" (1/1) ... [2020-09-25 13:28:14,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:28:14,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:28:15,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:28:15,558 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:28:15,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:28:15,694 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:28:15,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:15 WrapperNode [2020-09-25 13:28:15,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:28:15,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:28:15,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:28:15,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:28:15,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:15" (1/1) ... [2020-09-25 13:28:15,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:15" (1/1) ... [2020-09-25 13:28:15,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:15" (1/1) ... [2020-09-25 13:28:15,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:15" (1/1) ... [2020-09-25 13:28:15,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:15" (1/1) ... [2020-09-25 13:28:15,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:15" (1/1) ... [2020-09-25 13:28:15,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:15" (1/1) ... [2020-09-25 13:28:15,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:28:15,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:28:15,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:28:15,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:28:15,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:15" (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 [2020-09-25 13:28:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:28:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:28:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 13:28:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 13:28:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 13:28:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 13:28:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-25 13:28:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-25 13:28:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-25 13:28:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-25 13:28:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-25 13:28:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-25 13:28:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-25 13:28:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-25 13:28:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-25 13:28:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 13:28:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-25 13:28:15,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-25 13:28:15,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-25 13:28:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 13:28:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 13:28:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 13:28:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 13:28:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-25 13:28:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:28:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 13:28:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 13:28:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 13:28:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 13:28:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 13:28:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 13:28:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 13:28:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 13:28:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 13:28:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 13:28:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 13:28:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 13:28:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 13:28:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 13:28:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 13:28:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 13:28:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 13:28:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 13:28:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 13:28:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 13:28:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 13:28:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 13:28:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 13:28:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 13:28:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 13:28:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 13:28:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 13:28:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 13:28:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 13:28:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 13:28:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 13:28:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 13:28:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 13:28:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 13:28:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 13:28:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 13:28:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 13:28:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 13:28:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 13:28:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 13:28:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 13:28:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 13:28:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 13:28:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 13:28:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 13:28:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 13:28:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 13:28:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 13:28:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 13:28:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 13:28:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 13:28:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 13:28:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:28:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 13:28:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 13:28:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:28:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 13:28:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 13:28:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 13:28:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 13:28:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 13:28:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 13:28:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 13:28:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 13:28:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 13:28:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 13:28:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 13:28:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 13:28:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 13:28:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 13:28:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 13:28:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 13:28:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 13:28:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 13:28:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 13:28:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 13:28:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 13:28:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 13:28:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 13:28:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 13:28:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 13:28:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 13:28:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 13:28:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 13:28:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 13:28:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 13:28:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 13:28:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 13:28:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 13:28:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 13:28:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 13:28:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 13:28:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 13:28:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 13:28:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 13:28:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 13:28:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 13:28:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 13:28:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 13:28:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 13:28:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 13:28:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 13:28:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:28:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 13:28:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:28:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 13:28:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:28:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-25 13:28:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-25 13:28:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:28:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-25 13:28:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-25 13:28:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-25 13:28:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:28:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-25 13:28:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-25 13:28:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-25 13:28:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-25 13:28:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 13:28:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-25 13:28:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-25 13:28:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-25 13:28:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:28:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 13:28:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 13:28:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 13:28:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 13:28:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-25 13:28:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:28:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:28:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:28:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 13:28:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:28:16,677 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:28:16,677 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-25 13:28:16,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:28:16 BoogieIcfgContainer [2020-09-25 13:28:16,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:28:16,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:28:16,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:28:16,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:28:16,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:28:14" (1/3) ... [2020-09-25 13:28:16,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cba3d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:28:16, skipping insertion in model container [2020-09-25 13:28:16,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:15" (2/3) ... [2020-09-25 13:28:16,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cba3d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:28:16, skipping insertion in model container [2020-09-25 13:28:16,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:28:16" (3/3) ... [2020-09-25 13:28:16,695 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2020-09-25 13:28:16,708 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:28:16,721 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-25 13:28:16,768 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-25 13:28:16,805 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:28:16,805 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:28:16,805 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:28:16,805 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:28:16,806 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:28:16,806 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:28:16,806 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:28:16,806 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:28:16,837 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-09-25 13:28:16,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-25 13:28:16,849 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:28:16,850 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:28:16,851 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:28:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:28:16,860 INFO L82 PathProgramCache]: Analyzing trace with hash 899835465, now seen corresponding path program 1 times [2020-09-25 13:28:16,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:28:16,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450191511] [2020-09-25 13:28:16,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:28:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:17,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:17,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:17,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-25 13:28:17,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-09-25 13:28:17,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:17,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:17,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:28:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 13:28:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:28:17,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:28:17,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:28:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:17,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:17,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:17,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:28:17,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:17,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 13:28:17,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:17,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:17,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:17,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:17,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:17,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 13:28:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:17,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:17,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:17,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:28:17,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:17,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:28:17,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:17,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:17,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 13:28:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:17,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:17,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:17,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:28:17,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:17,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 13:28:17,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:17,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:17,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:17,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:17,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:28:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:17,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:17,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:17,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:28:17,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:17,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:28:17,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:17,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:17,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 13:28:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:17,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:17,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:17,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:28:17,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:17,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 13:28:17,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:17,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:17,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:17,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:17,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:17,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:28:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:17,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:17,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:17,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:28:17,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:17,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:28:17,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:17,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:17,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:17,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:17,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:28:17,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 13:28:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:17,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:17,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:17,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:28:17,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:17,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 13:28:17,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:17,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:28:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 13:28:17,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 13:28:17,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450191511] [2020-09-25 13:28:17,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:28:17,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:28:17,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800630828] [2020-09-25 13:28:17,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:28:17,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:28:17,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:28:17,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:28:17,913 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2020-09-25 13:28:18,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:28:18,729 INFO L93 Difference]: Finished difference Result 367 states and 421 transitions. [2020-09-25 13:28:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 13:28:18,731 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-09-25 13:28:18,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:28:18,758 INFO L225 Difference]: With dead ends: 367 [2020-09-25 13:28:18,758 INFO L226 Difference]: Without dead ends: 192 [2020-09-25 13:28:18,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-25 13:28:18,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-09-25 13:28:18,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 172. [2020-09-25 13:28:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-25 13:28:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 184 transitions. [2020-09-25 13:28:18,896 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 184 transitions. Word has length 60 [2020-09-25 13:28:18,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:28:18,897 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 184 transitions. [2020-09-25 13:28:18,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:28:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 184 transitions. [2020-09-25 13:28:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-25 13:28:18,900 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:28:18,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:28:18,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:28:18,901 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:28:18,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:28:18,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1713006157, now seen corresponding path program 1 times [2020-09-25 13:28:18,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:28:18,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220962555] [2020-09-25 13:28:18,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:28:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:18,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:19,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:19,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:28:19,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:19,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 639 [2020-09-25 13:28:19,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:19,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:19,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 13:28:19,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 13:28:19,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 13:28:19,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:19,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:28:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:19,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:19,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:28:19,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:19,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 13:28:19,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:19,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:28:19,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:19,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 13:28:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:19,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:19,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:19,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:28:19,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:19,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:28:19,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:19,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:19,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:19,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:19,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:28:19,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:19,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 13:28:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:19,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:19,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:19,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:28:19,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:19,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 13:28:19,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:19,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:19,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:19,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:19,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:28:19,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:19,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:28:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:19,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:19,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:28:19,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:19,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:28:19,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:19,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:28:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 13:28:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:19,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:19,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:19,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:28:19,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:19,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 13:28:19,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:19,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:19,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:19,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:19,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:28:19,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:19,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:28:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:19,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:19,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:19,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:28:19,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:19,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:28:19,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:19,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:19,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:19,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:19,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:19,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 13:28:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:19,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:20,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:20,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 13:28:20,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:20,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 13:28:20,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:20,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 13:28:20,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 13:28:20,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:28:20,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 13:28:20,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220962555] [2020-09-25 13:28:20,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:28:20,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 13:28:20,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727186592] [2020-09-25 13:28:20,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 13:28:20,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:28:20,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 13:28:20,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:28:20,255 INFO L87 Difference]: Start difference. First operand 172 states and 184 transitions. Second operand 10 states. [2020-09-25 13:28:20,653 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-09-25 13:28:20,867 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2020-09-25 13:28:21,006 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2020-09-25 13:28:21,562 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-09-25 13:28:21,862 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2020-09-25 13:28:22,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:28:22,803 INFO L93 Difference]: Finished difference Result 494 states and 552 transitions. [2020-09-25 13:28:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 13:28:22,804 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-09-25 13:28:22,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:28:22,814 INFO L225 Difference]: With dead ends: 494 [2020-09-25 13:28:22,814 INFO L226 Difference]: Without dead ends: 343 [2020-09-25 13:28:22,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2020-09-25 13:28:22,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-25 13:28:22,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 277. [2020-09-25 13:28:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-25 13:28:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 308 transitions. [2020-09-25 13:28:22,858 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 308 transitions. Word has length 63 [2020-09-25 13:28:22,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:28:22,858 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 308 transitions. [2020-09-25 13:28:22,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 13:28:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 308 transitions. [2020-09-25 13:28:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-25 13:28:22,863 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:28:22,863 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 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] [2020-09-25 13:28:22,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:28:22,863 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:28:22,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:28:22,864 INFO L82 PathProgramCache]: Analyzing trace with hash 2101448545, now seen corresponding path program 1 times [2020-09-25 13:28:22,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:28:22,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763019817] [2020-09-25 13:28:22,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:28:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:22,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:22,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-25 13:28:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:28:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 818 [2020-09-25 13:28:23,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:23,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:28:23,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-09-25 13:28:23,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:28:23,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:28:23,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:28:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:23,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:23,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:23,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:28:23,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:23,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:28:23,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:23,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:23,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:23,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:23,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:23,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:23,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 13:28:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:23,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:23,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:23,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:28:23,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:23,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:28:23,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:23,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:23,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:23,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:23,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:23,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:23,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 13:28:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:23,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:23,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:23,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:28:23,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:23,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:28:23,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:23,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:23,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:23,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:28:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:23,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:23,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:28:23,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:23,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:28:23,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:23,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:23,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 13:28:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:23,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:23,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:23,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:28:23,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:28:23,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:23,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:23,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:23,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:28:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:23,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:23,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:23,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:28:23,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:23,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:28:23,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:23,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:23,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 13:28:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:23,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:24,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:24,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:28:24,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:24,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 13:28:24,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:24,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:24,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:28:24,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-25 13:28:24,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:28:24,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:24,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:28:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:24,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:24,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:24,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:28:24,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:24,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:28:24,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:24,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:24,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:24,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 13:28:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:24,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:24,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:24,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:28:24,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:24,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 13:28:24,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:24,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:28:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 13:28:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:28:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:24,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:28:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:24,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:24,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:24,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:28:24,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:24,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 13:28:24,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:24,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:28:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 13:28:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:24,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-25 13:28:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:24,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:24,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:24,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:24,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:28:24,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:28:24,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 13:28:24,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:24,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:24,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:28:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-25 13:28:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:28:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:24,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:28:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:24,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:24,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:24,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:28:24,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:28:24,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:24,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:24,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:24,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 13:28:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:24,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:24,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:24,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:28:24,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:24,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 13:28:24,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:24,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:24,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:28:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 13:28:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:28:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:24,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:28:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:24,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:24,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:24,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:28:24,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:24,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 13:28:24,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:24,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 13:28:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 13:28:24,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:24,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-25 13:28:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:24,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:24,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:24,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:28:24,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:28:24,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:24,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:24,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 13:28:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:24,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-09-25 13:28:24,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763019817] [2020-09-25 13:28:24,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:28:24,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 13:28:24,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834484347] [2020-09-25 13:28:24,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:28:24,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:28:24,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:28:24,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:28:24,549 INFO L87 Difference]: Start difference. First operand 277 states and 308 transitions. Second operand 7 states. [2020-09-25 13:28:25,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:28:25,238 INFO L93 Difference]: Finished difference Result 511 states and 568 transitions. [2020-09-25 13:28:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:28:25,239 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-09-25 13:28:25,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:28:25,246 INFO L225 Difference]: With dead ends: 511 [2020-09-25 13:28:25,246 INFO L226 Difference]: Without dead ends: 286 [2020-09-25 13:28:25,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:28:25,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-25 13:28:25,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2020-09-25 13:28:25,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-09-25 13:28:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 314 transitions. [2020-09-25 13:28:25,295 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 314 transitions. Word has length 138 [2020-09-25 13:28:25,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:28:25,296 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 314 transitions. [2020-09-25 13:28:25,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:28:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 314 transitions. [2020-09-25 13:28:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-25 13:28:25,300 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:28:25,301 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:28:25,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:28:25,301 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:28:25,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:28:25,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1665265261, now seen corresponding path program 1 times [2020-09-25 13:28:25,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:28:25,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710285061] [2020-09-25 13:28:25,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:28:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:25,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:25,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:25,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:30,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:30,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-09-25 13:28:30,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:28:30,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 13:28:30,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:30,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 13:28:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 13:28:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-25 13:28:30,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:30,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:28:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:30,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:30,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:30,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:28:30,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:30,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 13:28:30,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:30,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:30,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:30,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:30,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:28:30,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:28:30,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 13:28:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:30,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:30,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:30,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:28:30,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 13:28:30,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:30,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:28:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:30,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 13:28:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:30,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:30,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:30,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:28:30,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:30,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 13:28:30,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:30,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:30,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:28:30,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:30,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:28:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:30,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:30,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:30,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:28:30,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:30,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:28:30,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:30,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:30,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:30,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:30,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:30,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:30,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 13:28:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:30,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:30,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:30,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:28:30,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:30,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 13:28:30,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:30,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:30,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:30,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:30,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:28:30,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:30,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:28:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:30,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:30,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:30,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:28:30,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:30,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:28:30,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:30,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:30,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:30,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:30,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:30,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:30,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 13:28:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:30,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:30,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:31,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:31,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 13:28:31,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:28:31,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 974 [2020-09-25 13:28:31,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:31,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 13:28:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:28:31,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 13:28:31,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:31,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:28:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:31,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:31,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:31,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:28:31,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:31,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 13:28:31,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:31,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:28:31,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:28:31,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 13:28:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:31,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:31,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:31,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 13:28:31,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:31,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-25 13:28:31,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:31,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:28:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:28:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 13:28:31,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:31,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:28:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:31,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:32,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:32,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 13:28:32,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:32,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-25 13:28:32,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:32,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:32,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:28:32,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:32,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 13:28:32,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:32,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:28:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:32,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:32,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:32,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:32,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 13:28:32,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:28:32,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-09-25 13:28:32,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:32,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:32,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:28:32,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 13:28:32,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 13:28:32,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:32,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:28:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:32,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:32,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:32,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:28:32,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:32,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 13:28:32,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:32,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:32,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 13:28:32,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:32,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:28:32,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:33,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 13:28:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:33,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:33,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:33,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 13:28:33,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-09-25 13:28:33,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:33,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 13:28:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:28:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 13:28:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:33,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:28:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:33,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:33,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:33,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 13:28:33,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 13:28:33,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:33,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:28:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 13:28:33,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:33,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 13:28:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:33,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:33,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:33,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 13:28:33,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:33,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:28:33,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:33,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 13:28:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:33,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:28:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 33 proven. 34 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-09-25 13:28:33,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710285061] [2020-09-25 13:28:33,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:28:33,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-25 13:28:33,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144778008] [2020-09-25 13:28:33,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-25 13:28:33,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:28:33,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-25 13:28:33,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-09-25 13:28:33,530 INFO L87 Difference]: Start difference. First operand 283 states and 314 transitions. Second operand 18 states. [2020-09-25 13:28:34,132 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-09-25 13:28:34,670 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-09-25 13:28:36,702 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-09-25 13:28:38,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:28:38,575 INFO L93 Difference]: Finished difference Result 772 states and 860 transitions. [2020-09-25 13:28:38,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-09-25 13:28:38,576 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 144 [2020-09-25 13:28:38,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:28:38,580 INFO L225 Difference]: With dead ends: 772 [2020-09-25 13:28:38,580 INFO L226 Difference]: Without dead ends: 432 [2020-09-25 13:28:38,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=628, Invalid=2794, Unknown=0, NotChecked=0, Total=3422 [2020-09-25 13:28:38,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-09-25 13:28:38,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 352. [2020-09-25 13:28:38,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2020-09-25 13:28:38,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 382 transitions. [2020-09-25 13:28:38,614 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 382 transitions. Word has length 144 [2020-09-25 13:28:38,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:28:38,615 INFO L479 AbstractCegarLoop]: Abstraction has 352 states and 382 transitions. [2020-09-25 13:28:38,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-25 13:28:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 382 transitions. [2020-09-25 13:28:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-25 13:28:38,618 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:28:38,618 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:28:38,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:28:38,619 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:28:38,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:28:38,619 INFO L82 PathProgramCache]: Analyzing trace with hash 203347141, now seen corresponding path program 1 times [2020-09-25 13:28:38,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:28:38,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202874940] [2020-09-25 13:28:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:28:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 13:28:38,670 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 13:28:38,670 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 13:28:38,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 13:28:38,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:28:38 BoogieIcfgContainer [2020-09-25 13:28:38,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 13:28:38,705 INFO L168 Benchmark]: Toolchain (without parser) took 23838.68 ms. Allocated memory was 138.9 MB in the beginning and 457.7 MB in the end (delta: 318.8 MB). Free memory was 100.4 MB in the beginning and 233.1 MB in the end (delta: -132.7 MB). Peak memory consumption was 186.1 MB. Max. memory is 7.1 GB. [2020-09-25 13:28:38,706 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-09-25 13:28:38,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.36 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 100.0 MB in the beginning and 161.3 MB in the end (delta: -61.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-09-25 13:28:38,708 INFO L168 Benchmark]: Boogie Preprocessor took 79.39 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 157.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-09-25 13:28:38,709 INFO L168 Benchmark]: RCFGBuilder took 906.93 ms. Allocated memory is still 199.8 MB. Free memory was 157.9 MB in the beginning and 89.5 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. [2020-09-25 13:28:38,710 INFO L168 Benchmark]: TraceAbstraction took 22017.94 ms. Allocated memory was 199.8 MB in the beginning and 457.7 MB in the end (delta: 257.9 MB). Free memory was 88.8 MB in the beginning and 233.1 MB in the end (delta: -144.4 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. [2020-09-25 13:28:38,714 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 825.36 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 100.0 MB in the beginning and 161.3 MB in the end (delta: -61.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.39 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 157.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 906.93 ms. Allocated memory is still 199.8 MB. Free memory was 157.9 MB in the beginning and 89.5 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22017.94 ms. Allocated memory was 199.8 MB in the beginning and 457.7 MB in the end (delta: 257.9 MB). Free memory was 88.8 MB in the beginning and 233.1 MB in the end (delta: -144.4 MB). Peak memory consumption was 113.6 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, 215 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 21.8s, OverallIterations: 5, TraceHistogramMax: 5, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 780 SDtfs, 1868 SDslu, 598 SDs, 0 SdLazy, 3640 SolverSat, 379 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 214 GetRequests, 115 SyntacticMatches, 5 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=352occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 262608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 253/293 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...