/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=HIGHLEXORDER --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 [2020-09-24 22:44:59,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:44:59,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:44:59,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:44:59,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:44:59,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:44:59,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:44:59,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:44:59,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:44:59,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:44:59,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:44:59,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:44:59,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:44:59,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:44:59,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:44:59,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:44:59,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:44:59,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:44:59,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:44:59,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:44:59,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:44:59,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:44:59,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:44:59,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:44:59,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:44:59,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:44:59,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:44:59,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:44:59,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:44:59,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:44:59,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:44:59,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:44:59,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:44:59,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:44:59,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:44:59,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:44:59,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:44:59,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:44:59,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:44:59,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:44:59,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:44:59,425 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 [2020-09-24 22:44:59,474 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:44:59,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:44:59,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:44:59,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:44:59,477 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:44:59,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:44:59,478 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:44:59,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:44:59,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:44:59,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:44:59,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:44:59,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:44:59,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:44:59,481 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:44:59,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:44:59,481 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:44:59,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:44:59,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:44:59,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:44:59,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:44:59,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:44:59,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:44:59,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:44:59,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:44:59,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:44:59,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:44:59,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:44:59,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:44:59,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:44:59,484 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:44:59,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:44:59,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:44:59,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:44:59,971 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:44:59,972 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:44:59,973 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-09-24 22:45:00,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40159f69a/96d29fbe8f5e484ebe41f4792c607ed3/FLAG4604512c2 [2020-09-24 22:45:00,734 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:45:00,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-09-24 22:45:00,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40159f69a/96d29fbe8f5e484ebe41f4792c607ed3/FLAG4604512c2 [2020-09-24 22:45:00,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40159f69a/96d29fbe8f5e484ebe41f4792c607ed3 [2020-09-24 22:45:00,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:45:00,995 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:45:00,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:45:00,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:45:01,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:45:01,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:45:00" (1/1) ... [2020-09-24 22:45:01,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590f663f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01, skipping insertion in model container [2020-09-24 22:45:01,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:45:00" (1/1) ... [2020-09-24 22:45:01,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:45:01,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:45:01,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:45:01,607 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:45:01,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:45:01,743 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:45:01,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01 WrapperNode [2020-09-24 22:45:01,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:45:01,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:45:01,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:45:01,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:45:01,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01" (1/1) ... [2020-09-24 22:45:01,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01" (1/1) ... [2020-09-24 22:45:01,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01" (1/1) ... [2020-09-24 22:45:01,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01" (1/1) ... [2020-09-24 22:45:01,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01" (1/1) ... [2020-09-24 22:45:01,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01" (1/1) ... [2020-09-24 22:45:01,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01" (1/1) ... [2020-09-24 22:45:01,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:45:01,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:45:01,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:45:01,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:45:01,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01" (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 [2020-09-24 22:45:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:45:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:45:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-24 22:45:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-24 22:45:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 22:45:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 22:45:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-24 22:45:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-24 22:45:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-24 22:45:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-24 22:45:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-24 22:45:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-24 22:45:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-24 22:45:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-24 22:45:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-24 22:45:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-24 22:45:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-24 22:45:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-24 22:45:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-24 22:45:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 22:45:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-24 22:45:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-24 22:45:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 22:45:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-24 22:45:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:45:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-24 22:45:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-24 22:45:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-24 22:45:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-24 22:45:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-24 22:45:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-24 22:45:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-24 22:45:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-24 22:45:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-24 22:45:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-24 22:45:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-24 22:45:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-24 22:45:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-24 22:45:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-24 22:45:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-24 22:45:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-24 22:45:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-24 22:45:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-24 22:45:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-24 22:45:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-24 22:45:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-24 22:45:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-24 22:45:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-24 22:45:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-24 22:45:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-24 22:45:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-24 22:45:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-24 22:45:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-24 22:45:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-24 22:45:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-24 22:45:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-24 22:45:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-24 22:45:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-24 22:45:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-24 22:45:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-24 22:45:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-24 22:45:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-24 22:45:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-24 22:45:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-24 22:45:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-24 22:45:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-24 22:45:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-24 22:45:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-24 22:45:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-24 22:45:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-24 22:45:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-24 22:45:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-24 22:45:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-24 22:45:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-24 22:45:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-24 22:45:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-24 22:45:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-24 22:45:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:45:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 22:45:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 22:45:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:45:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 22:45:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-24 22:45:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 22:45:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-24 22:45:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 22:45:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-24 22:45:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-24 22:45:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 22:45:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-24 22:45:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-24 22:45:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-24 22:45:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-24 22:45:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-24 22:45:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-24 22:45:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-24 22:45:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-24 22:45:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-24 22:45:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-24 22:45:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-24 22:45:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-24 22:45:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-24 22:45:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-24 22:45:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-24 22:45:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-24 22:45:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-24 22:45:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-24 22:45:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-24 22:45:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-24 22:45:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-24 22:45:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-24 22:45:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-24 22:45:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-24 22:45:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-24 22:45:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-24 22:45:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-24 22:45:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-24 22:45:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-24 22:45:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-24 22:45:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-24 22:45:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-24 22:45:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-24 22:45:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-24 22:45:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-24 22:45:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-24 22:45:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-24 22:45:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-24 22:45:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:45:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 22:45:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:45:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 22:45:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:45:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-24 22:45:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-24 22:45:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:45:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-24 22:45:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-24 22:45:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-24 22:45:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:45:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-24 22:45:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-24 22:45:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-24 22:45:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-24 22:45:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-24 22:45:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-24 22:45:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-24 22:45:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-24 22:45:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:45:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 22:45:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-24 22:45:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-24 22:45:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 22:45:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-24 22:45:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:45:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:45:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:45:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 22:45:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:45:02,750 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:45:02,750 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-24 22:45:02,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:45:02 BoogieIcfgContainer [2020-09-24 22:45:02,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:45:02,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:45:02,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:45:02,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:45:02,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:45:00" (1/3) ... [2020-09-24 22:45:02,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35870f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:45:02, skipping insertion in model container [2020-09-24 22:45:02,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:45:01" (2/3) ... [2020-09-24 22:45:02,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35870f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:45:02, skipping insertion in model container [2020-09-24 22:45:02,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:45:02" (3/3) ... [2020-09-24 22:45:02,782 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2020-09-24 22:45:02,794 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:45:02,806 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-24 22:45:02,830 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-24 22:45:02,862 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:45:02,862 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:45:02,862 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:45:02,862 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:45:02,862 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:45:02,862 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:45:02,863 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:45:02,863 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:45:02,891 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-09-24 22:45:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-24 22:45:02,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:45:02,903 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] [2020-09-24 22:45:02,904 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:45:02,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:45:02,912 INFO L82 PathProgramCache]: Analyzing trace with hash 899835465, now seen corresponding path program 1 times [2020-09-24 22:45:02,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:45:02,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111845846] [2020-09-24 22:45:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:45:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:03,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:03,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:03,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 22:45:03,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:03,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 432 [2020-09-24 22:45:03,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:45:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-24 22:45:03,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:45:03,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:45:03,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:45:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:03,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:03,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:03,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:45:03,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:03,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 22:45:03,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:03,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 22:45:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:03,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:03,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:03,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:45:03,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:03,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:45:03,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:03,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:03,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 22:45:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:03,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:03,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:03,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:45:03,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:03,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 22:45:03,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:03,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:45:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:03,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:03,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:03,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:45:03,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:45:03,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:03,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:45:03,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 22:45:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:03,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:03,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:03,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:45:03,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:03,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 22:45:03,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:03,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:03,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:03,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:03,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:45:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:45:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:03,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:03,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:03,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:45:03,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:03,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 22:45:03,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:03,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 22:45:03,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 22:45:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:03,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:03,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:03,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:45:03,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:03,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 22:45:03,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:45:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 22:45:03,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 22:45:04,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111845846] [2020-09-24 22:45:04,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:45:04,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:45:04,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688548762] [2020-09-24 22:45:04,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:45:04,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:45:04,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:45:04,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:45:04,040 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2020-09-24 22:45:04,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:45:04,889 INFO L93 Difference]: Finished difference Result 367 states and 421 transitions. [2020-09-24 22:45:04,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 22:45:04,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-09-24 22:45:04,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:45:04,916 INFO L225 Difference]: With dead ends: 367 [2020-09-24 22:45:04,917 INFO L226 Difference]: Without dead ends: 192 [2020-09-24 22:45:04,928 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 [2020-09-24 22:45:04,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-09-24 22:45:05,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 172. [2020-09-24 22:45:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-24 22:45:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 184 transitions. [2020-09-24 22:45:05,072 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 184 transitions. Word has length 60 [2020-09-24 22:45:05,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:45:05,073 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 184 transitions. [2020-09-24 22:45:05,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:45:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 184 transitions. [2020-09-24 22:45:05,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-24 22:45:05,076 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:45:05,077 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] [2020-09-24 22:45:05,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:45:05,077 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:45:05,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:45:05,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1713006157, now seen corresponding path program 1 times [2020-09-24 22:45:05,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:45:05,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962125530] [2020-09-24 22:45:05,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:45:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:05,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:05,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:05,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:45:05,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:05,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 727 [2020-09-24 22:45:05,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 22:45:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 22:45:05,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 22:45:05,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:05,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:45:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:05,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:05,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:05,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:45:05,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:05,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 22:45:05,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:05,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:45:05,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:05,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:45:05,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:05,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 22:45:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:05,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:05,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:05,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:45:05,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:05,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:45:05,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:05,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:45:05,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:05,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:45:05,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:45:05,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 22:45:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:05,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:06,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:06,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:45:06,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:06,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-24 22:45:06,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:06,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:45:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:45:06,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:45:06,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:45:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:06,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:06,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:06,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:45:06,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:45:06,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:06,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:06,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:06,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:06,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 22:45:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:06,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:06,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:06,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:45:06,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:06,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 22:45:06,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:06,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:45:06,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:06,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:45:06,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:06,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:45:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:06,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:06,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:06,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:45:06,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:06,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:45:06,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:06,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:06,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 22:45:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:06,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:06,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:06,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 22:45:06,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:06,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 22:45:06,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:06,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:45:06,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 22:45:06,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:45:06,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 22:45:06,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962125530] [2020-09-24 22:45:06,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:45:06,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:45:06,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664084686] [2020-09-24 22:45:06,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:45:06,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:45:06,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:45:06,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:45:06,436 INFO L87 Difference]: Start difference. First operand 172 states and 184 transitions. Second operand 10 states. [2020-09-24 22:45:06,945 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-09-24 22:45:07,098 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-09-24 22:45:07,836 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-09-24 22:45:07,983 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-09-24 22:45:08,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:45:08,926 INFO L93 Difference]: Finished difference Result 494 states and 552 transitions. [2020-09-24 22:45:08,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 22:45:08,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-09-24 22:45:08,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:45:08,933 INFO L225 Difference]: With dead ends: 494 [2020-09-24 22:45:08,934 INFO L226 Difference]: Without dead ends: 343 [2020-09-24 22:45:08,936 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 [2020-09-24 22:45:08,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-24 22:45:08,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 277. [2020-09-24 22:45:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-24 22:45:08,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 308 transitions. [2020-09-24 22:45:08,976 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 308 transitions. Word has length 63 [2020-09-24 22:45:08,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:45:08,976 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 308 transitions. [2020-09-24 22:45:08,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:45:08,977 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 308 transitions. [2020-09-24 22:45:08,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-24 22:45:08,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:45:08,982 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] [2020-09-24 22:45:08,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:45:08,982 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:45:08,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:45:08,985 INFO L82 PathProgramCache]: Analyzing trace with hash 2101448545, now seen corresponding path program 1 times [2020-09-24 22:45:08,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:45:08,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983298905] [2020-09-24 22:45:08,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:45:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:09,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:09,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 22:45:10,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:45:10,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1114 [2020-09-24 22:45:10,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:45:10,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-24 22:45:10,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:45:10,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:45:10,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:45:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:45:10,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 22:45:10,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:10,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:10,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:10,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 22:45:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:45:10,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:45:10,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:10,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 22:45:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:45:10,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 22:45:10,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:10,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:10,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:10,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:45:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:45:10,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:45:10,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:10,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:10,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:10,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 22:45:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:45:10,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:45:10,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:10,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:45:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:45:10,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:45:10,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-24 22:45:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:45:10,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:45:10,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-24 22:45:10,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:45:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 22:45:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:45:10,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:45:10,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:45:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:45:10,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 22:45:10,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:10,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:45:10,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 22:45:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:45:10,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 22:45:10,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:45:10,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:45:10,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:45:10,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:45:10,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:45:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:45:10,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 22:45:10,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:45:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 22:45:10,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 22:45:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:45:10,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 22:45:10,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:45:10,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 22:45:10,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:45:10,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:45:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:45:10,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:45:10,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:10,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 22:45:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:45:10,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 22:45:10,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:45:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:45:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:45:10,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:45:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:45:10,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 22:45:10,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:45:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 22:45:10,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:10,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 22:45:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:10,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:10,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:10,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:45:10,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:10,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 22:45:10,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 22:45:10,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:10,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:45:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-09-24 22:45:10,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983298905] [2020-09-24 22:45:10,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:45:10,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 22:45:10,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467115316] [2020-09-24 22:45:11,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 22:45:11,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:45:11,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 22:45:11,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 22:45:11,003 INFO L87 Difference]: Start difference. First operand 277 states and 308 transitions. Second operand 7 states. [2020-09-24 22:45:11,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:45:11,798 INFO L93 Difference]: Finished difference Result 511 states and 568 transitions. [2020-09-24 22:45:11,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 22:45:11,799 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-09-24 22:45:11,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:45:11,802 INFO L225 Difference]: With dead ends: 511 [2020-09-24 22:45:11,802 INFO L226 Difference]: Without dead ends: 286 [2020-09-24 22:45:11,804 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 [2020-09-24 22:45:11,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-24 22:45:11,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2020-09-24 22:45:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-09-24 22:45:11,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 314 transitions. [2020-09-24 22:45:11,835 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 314 transitions. Word has length 138 [2020-09-24 22:45:11,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:45:11,836 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 314 transitions. [2020-09-24 22:45:11,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 22:45:11,836 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 314 transitions. [2020-09-24 22:45:11,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-24 22:45:11,839 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:45:11,839 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] [2020-09-24 22:45:11,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:45:11,840 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:45:11,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:45:11,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1665265261, now seen corresponding path program 1 times [2020-09-24 22:45:11,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:45:11,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484529853] [2020-09-24 22:45:11,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:45:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:11,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:12,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:12,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:16,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:16,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-09-24 22:45:16,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:45:16,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-24 22:45:16,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 22:45:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-09-24 22:45:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 22:45:16,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:16,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:45:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:16,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:16,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:16,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:45:16,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:16,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:45:16,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:16,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:16,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:16,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:16,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:45:17,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 22:45:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:17,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:17,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:17,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:45:17,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:45:17,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:17,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:17,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 22:45:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:17,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:17,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:17,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:45:17,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:45:17,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:17,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:17,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:17,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:17,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:45:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:17,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:17,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:17,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:45:17,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:17,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:45:17,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:17,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:17,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:17,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:17,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:17,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 22:45:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:17,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:17,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:17,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:45:17,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:17,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:45:17,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:17,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:17,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:45:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:17,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:17,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:17,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:45:17,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:17,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:45:17,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:17,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:17,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-24 22:45:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:17,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:17,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:17,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:17,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 22:45:17,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:45:17,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-09-24 22:45:17,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 22:45:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 22:45:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 22:45:17,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:17,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:45:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:17,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:17,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:17,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:45:17,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:17,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 22:45:17,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:45:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 22:45:17,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:17,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 22:45:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:17,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:17,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:17,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 22:45:17,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:17,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-24 22:45:17,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 22:45:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 22:45:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 22:45:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:18,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:45:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:18,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:18,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:18,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 22:45:18,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:18,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 22:45:18,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:18,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:45:18,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:18,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 22:45:18,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:18,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:45:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:18,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:18,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:18,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 22:45:18,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:18,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-09-24 22:45:18,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 22:45:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 22:45:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 22:45:18,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:18,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:45:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:18,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:18,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:45:18,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:18,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 22:45:18,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:18,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:45:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 22:45:18,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:18,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 22:45:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:18,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:19,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:19,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 22:45:19,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:19,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-24 22:45:19,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 22:45:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 22:45:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 22:45:19,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:19,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:45:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:19,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:19,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:19,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 22:45:19,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:19,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 22:45:19,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:45:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:45:19,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 22:45:19,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:45:19,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 22:45:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:45:19,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:45:19,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:45:19,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:45:19,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:45:19,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:45:19,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:45:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:45:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 22:45:19,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:45:19,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:45:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 4 proven. 55 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-09-24 22:45:19,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484529853] [2020-09-24 22:45:19,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:45:19,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-24 22:45:19,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192087398] [2020-09-24 22:45:19,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-24 22:45:19,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:45:19,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-24 22:45:19,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:45:19,345 INFO L87 Difference]: Start difference. First operand 283 states and 314 transitions. Second operand 19 states. [2020-09-24 22:45:20,187 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-09-24 22:45:20,319 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-09-24 22:45:20,522 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2020-09-24 22:45:21,225 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-09-24 22:45:21,446 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-09-24 22:45:21,740 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-09-24 22:45:22,761 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-09-24 22:45:22,910 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2020-09-24 22:45:23,110 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2020-09-24 22:45:25,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:45:25,185 INFO L93 Difference]: Finished difference Result 710 states and 796 transitions. [2020-09-24 22:45:25,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-24 22:45:25,186 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 144 [2020-09-24 22:45:25,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:45:25,190 INFO L225 Difference]: With dead ends: 710 [2020-09-24 22:45:25,190 INFO L226 Difference]: Without dead ends: 373 [2020-09-24 22:45:25,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=504, Invalid=1946, Unknown=0, NotChecked=0, Total=2450 [2020-09-24 22:45:25,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-09-24 22:45:25,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 308. [2020-09-24 22:45:25,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-09-24 22:45:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 339 transitions. [2020-09-24 22:45:25,257 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 339 transitions. Word has length 144 [2020-09-24 22:45:25,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:45:25,257 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 339 transitions. [2020-09-24 22:45:25,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-24 22:45:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 339 transitions. [2020-09-24 22:45:25,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-24 22:45:25,260 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:45:25,261 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] [2020-09-24 22:45:25,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:45:25,267 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:45:25,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:45:25,268 INFO L82 PathProgramCache]: Analyzing trace with hash 203347141, now seen corresponding path program 1 times [2020-09-24 22:45:25,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:45:25,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77592681] [2020-09-24 22:45:25,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:45:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 22:45:25,355 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 22:45:25,356 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 22:45:25,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 22:45:25,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:45:25 BoogieIcfgContainer [2020-09-24 22:45:25,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 22:45:25,406 INFO L168 Benchmark]: Toolchain (without parser) took 24414.76 ms. Allocated memory was 140.5 MB in the beginning and 469.8 MB in the end (delta: 329.3 MB). Free memory was 102.7 MB in the beginning and 429.8 MB in the end (delta: -327.1 MB). Peak memory consumption was 341.9 MB. Max. memory is 7.1 GB. [2020-09-24 22:45:25,408 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 22:45:25,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.21 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 165.5 MB in the end (delta: -63.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-09-24 22:45:25,418 INFO L168 Benchmark]: Boogie Preprocessor took 84.59 ms. Allocated memory is still 204.5 MB. Free memory was 165.5 MB in the beginning and 162.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-09-24 22:45:25,420 INFO L168 Benchmark]: RCFGBuilder took 942.32 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 162.1 MB in the beginning and 207.7 MB in the end (delta: -45.7 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. [2020-09-24 22:45:25,421 INFO L168 Benchmark]: TraceAbstraction took 22629.33 ms. Allocated memory was 236.5 MB in the beginning and 469.8 MB in the end (delta: 233.3 MB). Free memory was 207.7 MB in the beginning and 429.8 MB in the end (delta: -222.1 MB). Peak memory consumption was 350.9 MB. Max. memory is 7.1 GB. [2020-09-24 22:45:25,431 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.21 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 165.5 MB in the end (delta: -63.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.59 ms. Allocated memory is still 204.5 MB. Free memory was 165.5 MB in the beginning and 162.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 942.32 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 162.1 MB in the beginning and 207.7 MB in the end (delta: -45.7 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22629.33 ms. Allocated memory was 236.5 MB in the beginning and 469.8 MB in the end (delta: 233.3 MB). Free memory was 207.7 MB in the beginning and 429.8 MB in the end (delta: -222.1 MB). Peak memory consumption was 350.9 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: 22.5s, OverallIterations: 5, TraceHistogramMax: 5, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 704 SDtfs, 1906 SDslu, 689 SDs, 0 SdLazy, 3980 SolverSat, 413 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 113 SyntacticMatches, 5 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=308occurred 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, 154 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 266063 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 232/293 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...