/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:20:13,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:20:13,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:20:13,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:20:13,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:20:13,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:20:13,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:20:13,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:20:13,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:20:13,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:20:13,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:20:13,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:20:13,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:20:13,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:20:13,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:20:13,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:20:13,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:20:13,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:20:13,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:20:13,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:20:13,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:20:13,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:20:13,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:20:13,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:20:13,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:20:13,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:20:13,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:20:13,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:20:13,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:20:13,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:20:13,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:20:13,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:20:13,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:20:13,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:20:13,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:20:13,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:20:13,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:20:13,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:20:13,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:20:13,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:20:13,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:20:13,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 09:20:13,918 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:20:13,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:20:13,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:20:13,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:20:13,921 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:20:13,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:20:13,922 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:20:13,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:20:13,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:20:13,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:20:13,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:20:13,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:20:13,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:20:13,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:20:13,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:20:13,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:20:13,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:20:13,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:20:13,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:20:13,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:20:13,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:20:13,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:20:13,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:20:13,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:20:13,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:20:13,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:20:13,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:20:13,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:20:13,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:20:13,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:20:14,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:20:14,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:20:14,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:20:14,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:20:14,374 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:20:14,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-10-29 09:20:14,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/559c2eeab/ccdb1a9c0e60430ebdc86645c80e15b2/FLAG7f0190de8 [2020-10-29 09:20:15,298 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:20:15,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-10-29 09:20:15,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/559c2eeab/ccdb1a9c0e60430ebdc86645c80e15b2/FLAG7f0190de8 [2020-10-29 09:20:15,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/559c2eeab/ccdb1a9c0e60430ebdc86645c80e15b2 [2020-10-29 09:20:15,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:20:15,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:20:15,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:20:15,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:20:15,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:20:15,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:20:15" (1/1) ... [2020-10-29 09:20:15,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ed7b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:15, skipping insertion in model container [2020-10-29 09:20:15,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:20:15" (1/1) ... [2020-10-29 09:20:15,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:20:15,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:20:16,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:20:16,115 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:20:16,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:20:16,291 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:20:16,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:16 WrapperNode [2020-10-29 09:20:16,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:20:16,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:20:16,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:20:16,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:20:16,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:16" (1/1) ... [2020-10-29 09:20:16,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:16" (1/1) ... [2020-10-29 09:20:16,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:16" (1/1) ... [2020-10-29 09:20:16,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:16" (1/1) ... [2020-10-29 09:20:16,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:16" (1/1) ... [2020-10-29 09:20:16,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:16" (1/1) ... [2020-10-29 09:20:16,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:16" (1/1) ... [2020-10-29 09:20:16,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:20:16,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:20:16,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:20:16,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:20:16,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:20:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:20:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:20:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-29 09:20:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-29 09:20:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:20:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 09:20:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 09:20:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-29 09:20:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-29 09:20:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-29 09:20:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-29 09:20:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-29 09:20:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-29 09:20:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-29 09:20:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-29 09:20:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-29 09:20:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-29 09:20:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-29 09:20:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-29 09:20:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-29 09:20:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 09:20:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-29 09:20:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 09:20:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 09:20:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-29 09:20:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:20:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-29 09:20:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-29 09:20:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-29 09:20:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-29 09:20:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-29 09:20:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-29 09:20:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-29 09:20:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-29 09:20:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-29 09:20:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-29 09:20:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-29 09:20:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-29 09:20:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-29 09:20:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-29 09:20:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-29 09:20:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-29 09:20:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-29 09:20:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-29 09:20:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-29 09:20:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-29 09:20:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-29 09:20:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-29 09:20:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-29 09:20:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-29 09:20:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-29 09:20:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-29 09:20:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-29 09:20:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-29 09:20:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-29 09:20:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-29 09:20:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-29 09:20:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-29 09:20:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-29 09:20:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-29 09:20:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-29 09:20:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-29 09:20:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-29 09:20:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-29 09:20:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-29 09:20:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-29 09:20:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-29 09:20:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-29 09:20:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-29 09:20:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-29 09:20:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-29 09:20:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-29 09:20:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-29 09:20:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-29 09:20:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-29 09:20:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-29 09:20:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-29 09:20:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-29 09:20:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 09:20:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 09:20:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-29 09:20:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 09:20:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-29 09:20:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-29 09:20:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-29 09:20:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-29 09:20:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:20:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-29 09:20:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-29 09:20:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 09:20:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-29 09:20:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-29 09:20:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-29 09:20:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-29 09:20:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-29 09:20:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-29 09:20:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-29 09:20:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-29 09:20:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-29 09:20:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-29 09:20:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-29 09:20:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-29 09:20:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-29 09:20:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-29 09:20:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-29 09:20:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-29 09:20:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-29 09:20:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-29 09:20:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-29 09:20:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-29 09:20:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-29 09:20:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-29 09:20:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-29 09:20:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-29 09:20:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-29 09:20:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-29 09:20:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-29 09:20:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-29 09:20:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-29 09:20:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-29 09:20:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-29 09:20:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-29 09:20:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-29 09:20:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-29 09:20:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-29 09:20:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-29 09:20:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-29 09:20:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-29 09:20:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:20:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 09:20:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 09:20:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:20:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:20:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 09:20:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 09:20:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 09:20:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 09:20:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-29 09:20:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-29 09:20:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 09:20:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-29 09:20:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-29 09:20:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-29 09:20:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 09:20:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-29 09:20:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-29 09:20:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-29 09:20:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-29 09:20:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-29 09:20:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-29 09:20:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-29 09:20:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-29 09:20:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:20:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 09:20:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-29 09:20:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 09:20:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 09:20:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-29 09:20:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:20:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:20:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:20:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 09:20:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:20:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:20:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:20:17,460 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:20:17,460 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-29 09:20:17,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:20:17 BoogieIcfgContainer [2020-10-29 09:20:17,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:20:17,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:20:17,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:20:17,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:20:17,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:20:15" (1/3) ... [2020-10-29 09:20:17,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3c8273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:20:17, skipping insertion in model container [2020-10-29 09:20:17,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:16" (2/3) ... [2020-10-29 09:20:17,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3c8273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:20:17, skipping insertion in model container [2020-10-29 09:20:17,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:20:17" (3/3) ... [2020-10-29 09:20:17,473 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2020-10-29 09:20:17,485 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:20:17,491 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:20:17,506 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:20:17,538 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:20:17,538 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:20:17,538 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:20:17,539 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:20:17,539 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:20:17,539 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:20:17,539 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:20:17,539 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:20:17,561 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-10-29 09:20:17,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-29 09:20:17,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:20:17,570 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:20:17,570 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:20:17,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:20:17,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1326439761, now seen corresponding path program 1 times [2020-10-29 09:20:17,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:20:17,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350405581] [2020-10-29 09:20:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:20:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:17,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:17,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:17,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:18,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 09:20:18,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:20:18,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 581 [2020-10-29 09:20:18,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:18,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:18,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:20:18,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-29 09:20:18,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 09:20:18,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 09:20:18,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:20:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:18,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:18,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:18,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:18,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:20:18,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:18,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:18,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:18,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:20:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:18,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:18,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 09:20:18,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:18,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:20:18,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:18,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:18,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:18,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:20:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:18,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 09:20:18,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:20:18,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 09:20:18,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:18,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:20:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:18,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:18,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:18,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:18,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:20:18,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:20:18,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:18,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 09:20:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:18,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:18,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 09:20:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:18,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:18,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 09:20:18,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:20:18,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 09:20:18,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:18,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:18,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:18,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:20:18,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:18,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:18,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:18,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:18,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:20:18,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:18,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:20:18,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:18,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:18,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:18,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 09:20:18,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:18,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:18,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 09:20:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:18,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:18,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:18,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:18,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:20:18,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 09:20:18,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:18,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:20:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:20:18,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 09:20:18,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350405581] [2020-10-29 09:20:18,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:20:18,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 09:20:18,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828950063] [2020-10-29 09:20:18,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 09:20:18,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:20:18,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 09:20:18,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:20:18,624 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 6 states. [2020-10-29 09:20:19,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:20:19,237 INFO L93 Difference]: Finished difference Result 226 states and 287 transitions. [2020-10-29 09:20:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 09:20:19,239 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-10-29 09:20:19,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:20:19,252 INFO L225 Difference]: With dead ends: 226 [2020-10-29 09:20:19,252 INFO L226 Difference]: Without dead ends: 115 [2020-10-29 09:20:19,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:20:19,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-29 09:20:19,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-29 09:20:19,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-29 09:20:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 116 transitions. [2020-10-29 09:20:19,330 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 116 transitions. Word has length 44 [2020-10-29 09:20:19,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:20:19,331 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 116 transitions. [2020-10-29 09:20:19,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 09:20:19,331 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2020-10-29 09:20:19,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-29 09:20:19,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:20:19,334 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:20:19,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:20:19,334 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:20:19,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:20:19,335 INFO L82 PathProgramCache]: Analyzing trace with hash 817475022, now seen corresponding path program 1 times [2020-10-29 09:20:19,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:20:19,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791846557] [2020-10-29 09:20:19,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:20:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:19,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:20,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:20,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 09:20:20,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:20,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-10-29 09:20:20,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:20,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 09:20:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:20:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 09:20:20,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:20,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:20:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:20,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:20,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:20,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:20,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:20,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 09:20:20,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:20,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 09:20:20,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:20,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:20:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:20,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:20,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:20,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 09:20:20,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:20:20,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:20,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 09:20:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:20,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:20:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:20,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:20,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:20,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 09:20:20,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:20,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 09:20:20,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:20,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 09:20:20,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:20,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:20,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:20,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:20,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:20:20,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:20,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:20:20,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:20,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:20,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:20,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:20,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:20,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:20,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 09:20:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:20,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:20,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:20,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 09:20:20,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:20,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 09:20:20,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:20,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 09:20:20,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:20,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:20,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:20,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:20,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:20:20,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:20,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:20:20,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:20,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:20,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:20,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 09:20:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:20,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:20,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:20,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:20,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 09:20:20,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:20,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:20,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:20:20,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:20:20,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:20:20,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 09:20:20,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791846557] [2020-10-29 09:20:20,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:20:20,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 09:20:20,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785076330] [2020-10-29 09:20:20,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 09:20:20,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:20:20,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 09:20:20,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-29 09:20:20,377 INFO L87 Difference]: Start difference. First operand 102 states and 116 transitions. Second operand 7 states. [2020-10-29 09:20:21,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:20:21,919 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2020-10-29 09:20:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:20:21,920 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2020-10-29 09:20:21,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:20:21,925 INFO L225 Difference]: With dead ends: 289 [2020-10-29 09:20:21,925 INFO L226 Difference]: Without dead ends: 201 [2020-10-29 09:20:21,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-29 09:20:21,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-29 09:20:21,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 163. [2020-10-29 09:20:21,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-29 09:20:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2020-10-29 09:20:21,992 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 44 [2020-10-29 09:20:21,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:20:21,992 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2020-10-29 09:20:21,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 09:20:21,993 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2020-10-29 09:20:21,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-29 09:20:21,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:20:21,999 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:20:21,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:20:21,999 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:20:22,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:20:22,000 INFO L82 PathProgramCache]: Analyzing trace with hash -847406493, now seen corresponding path program 1 times [2020-10-29 09:20:22,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:20:22,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178893498] [2020-10-29 09:20:22,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:20:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 09:20:22,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:20:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 544 [2020-10-29 09:20:22,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:20:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-29 09:20:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 09:20:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:20:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:22,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:20:22,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:22,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:20:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 09:20:22,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:20:22,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:22,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:22,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:22,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:20:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 09:20:22,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 09:20:22,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:22,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:20:22,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:20:22,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:22,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:22,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:22,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:22,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 09:20:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 09:20:22,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:20:22,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:22,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:22,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:20:22,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:20:22,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:22,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:20:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-29 09:20:22,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 09:20:22,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:20:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 09:20:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 09:20:22,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:22,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:20:22,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:22,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:20:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 09:20:22,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 09:20:22,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:20:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:20:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 09:20:22,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:22,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:20:22,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:20:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:20:22,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 09:20:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-29 09:20:22,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:20:22,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 09:20:22,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:20:22,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 09:20:22,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 09:20:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:22,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:22,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:22,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:22,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:22,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:22,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:20:22,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:22,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:22,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:22,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:22,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:22,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:22,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:20:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:23,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:23,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:23,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 09:20:23,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:23,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 09:20:23,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:23,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:23,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:20:23,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:20:23,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 09:20:23,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:23,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:23,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:23,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:23,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:23,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 09:20:23,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:23,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:20:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:20:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:23,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 09:20:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:23,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:23,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:23,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:23,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:23,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 09:20:23,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:23,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:20:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:23,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-29 09:20:23,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178893498] [2020-10-29 09:20:23,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:20:23,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 09:20:23,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752264722] [2020-10-29 09:20:23,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 09:20:23,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:20:23,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 09:20:23,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-29 09:20:23,138 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 7 states. [2020-10-29 09:20:23,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:20:23,897 INFO L93 Difference]: Finished difference Result 297 states and 357 transitions. [2020-10-29 09:20:23,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 09:20:23,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-29 09:20:23,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:20:23,906 INFO L225 Difference]: With dead ends: 297 [2020-10-29 09:20:23,906 INFO L226 Difference]: Without dead ends: 171 [2020-10-29 09:20:23,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:20:23,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-29 09:20:23,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-29 09:20:23,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-29 09:20:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 202 transitions. [2020-10-29 09:20:23,942 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 202 transitions. Word has length 92 [2020-10-29 09:20:23,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:20:23,943 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 202 transitions. [2020-10-29 09:20:23,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 09:20:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions. [2020-10-29 09:20:23,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-29 09:20:23,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:20:23,949 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:20:23,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 09:20:23,950 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:20:23,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:20:23,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1930944587, now seen corresponding path program 1 times [2020-10-29 09:20:23,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:20:23,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907116387] [2020-10-29 09:20:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:20:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:24,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:24,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:24,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:24,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:29,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 09:20:29,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:20:29,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 09:20:29,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:29,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 09:20:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:20:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 09:20:29,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:29,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:20:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:29,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:29,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:29,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:29,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 09:20:29,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:29,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 09:20:29,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:20:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:29,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:29,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 09:20:29,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:20:29,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:29,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:29,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:29,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 09:20:29,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:29,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:20:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:29,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:29,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 09:20:29,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:20:29,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:29,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 09:20:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:29,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:29,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:29,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:20:29,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:29,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:20:29,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:29,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:29,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:29,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:29,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:29,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:29,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 09:20:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:29,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:29,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 09:20:29,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 09:20:29,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:29,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:29,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:29,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 09:20:29,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:29,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:29,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:29,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:20:29,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:20:29,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:29,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:29,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:20:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:29,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:29,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-29 09:20:29,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:20:29,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 628 [2020-10-29 09:20:29,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:29,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:29,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:20:29,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:20:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 09:20:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:29,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:29,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:29,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:29,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:29,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 09:20:29,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:29,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:20:29,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:29,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:20:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:29,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:30,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:30,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 09:20:30,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:30,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 09:20:30,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:30,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:20:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:20:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 09:20:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:30,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:30,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:30,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:30,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:30,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:30,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 09:20:30,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:30,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:20:30,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:30,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 09:20:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:30,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:30,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:30,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:30,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-29 09:20:30,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:20:30,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-29 09:20:30,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:30,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:30,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 09:20:30,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:20:30,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 09:20:30,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:30,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:30,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:30,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:30,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:30,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:30,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 09:20:30,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:30,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:20:30,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:30,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:20:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:30,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:30,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:30,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 09:20:30,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:30,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 09:20:30,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:30,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 09:20:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:20:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 09:20:30,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:30,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:20:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:30,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:30,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:30,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:30,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:30,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 09:20:30,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:30,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:20:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:30,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:20:30,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:30,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 09:20:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:30,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:30,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:30,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:20:30,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:30,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:20:30,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:30,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:20:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:30,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-29 09:20:30,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907116387] [2020-10-29 09:20:30,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:20:30,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 09:20:30,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788377191] [2020-10-29 09:20:30,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 09:20:30,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:20:30,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 09:20:30,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-29 09:20:30,712 INFO L87 Difference]: Start difference. First operand 169 states and 202 transitions. Second operand 12 states. [2020-10-29 09:20:34,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:20:34,137 INFO L93 Difference]: Finished difference Result 410 states and 489 transitions. [2020-10-29 09:20:34,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-29 09:20:34,138 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-10-29 09:20:34,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:20:34,141 INFO L225 Difference]: With dead ends: 410 [2020-10-29 09:20:34,141 INFO L226 Difference]: Without dead ends: 235 [2020-10-29 09:20:34,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=276, Invalid=1056, Unknown=0, NotChecked=0, Total=1332 [2020-10-29 09:20:34,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-29 09:20:34,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 173. [2020-10-29 09:20:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-29 09:20:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 198 transitions. [2020-10-29 09:20:34,177 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 198 transitions. Word has length 92 [2020-10-29 09:20:34,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:20:34,178 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 198 transitions. [2020-10-29 09:20:34,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 09:20:34,178 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 198 transitions. [2020-10-29 09:20:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-29 09:20:34,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:20:34,180 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:20:34,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 09:20:34,180 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:20:34,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:20:34,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1290820386, now seen corresponding path program 1 times [2020-10-29 09:20:34,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:20:34,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774294861] [2020-10-29 09:20:34,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:20:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 09:20:34,230 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 09:20:34,230 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 09:20:34,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 09:20:34,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:20:34 BoogieIcfgContainer [2020-10-29 09:20:34,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:20:34,261 INFO L168 Benchmark]: Toolchain (without parser) took 18679.44 ms. Allocated memory was 125.8 MB in the beginning and 338.7 MB in the end (delta: 212.9 MB). Free memory was 100.0 MB in the beginning and 137.2 MB in the end (delta: -37.2 MB). Peak memory consumption was 175.9 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:34,262 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:20:34,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.37 ms. Allocated memory was 125.8 MB in the beginning and 162.5 MB in the end (delta: 36.7 MB). Free memory was 99.3 MB in the beginning and 143.9 MB in the end (delta: -44.5 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:34,263 INFO L168 Benchmark]: Boogie Preprocessor took 113.11 ms. Allocated memory is still 162.5 MB. Free memory was 143.9 MB in the beginning and 140.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:34,264 INFO L168 Benchmark]: RCFGBuilder took 1056.06 ms. Allocated memory is still 162.5 MB. Free memory was 140.8 MB in the beginning and 130.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 49.2 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:34,265 INFO L168 Benchmark]: TraceAbstraction took 16793.41 ms. Allocated memory was 162.5 MB in the beginning and 338.7 MB in the end (delta: 176.2 MB). Free memory was 129.7 MB in the beginning and 137.2 MB in the end (delta: -7.5 MB). Peak memory consumption was 167.7 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:34,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 705.37 ms. Allocated memory was 125.8 MB in the beginning and 162.5 MB in the end (delta: 36.7 MB). Free memory was 99.3 MB in the beginning and 143.9 MB in the end (delta: -44.5 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 113.11 ms. Allocated memory is still 162.5 MB. Free memory was 143.9 MB in the beginning and 140.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1056.06 ms. Allocated memory is still 162.5 MB. Free memory was 140.8 MB in the beginning and 130.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 49.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16793.41 ms. Allocated memory was 162.5 MB in the beginning and 338.7 MB in the end (delta: 176.2 MB). Free memory was 129.7 MB in the beginning and 137.2 MB in the end (delta: -7.5 MB). Peak memory consumption was 167.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 562]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L665] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L692] CALL foo() [L681] FCALL ldv_initialize() [L682] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L682] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L682] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L683] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L683] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L683] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L684] CALL mutex_lock(m1) [L669] CALL ldv_is_in_set(m, &mutexes) [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L655] COND FALSE !(&m->list != (s)) [L660] return 0; [L669] RET ldv_is_in_set(m, &mutexes) [L669] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L670] CALL ldv_set_add(m, &mutexes) [L636] CALL, EXPR ldv_is_in_set(new, s) [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L655] COND FALSE !(&m->list != (s)) [L660] return 0; [L636] RET, EXPR ldv_is_in_set(new, s) [L636] COND TRUE !ldv_is_in_set(new, s) [L637] struct ldv_list_element *le; [L638] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L638] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L638] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L639] le->e = new [L640] CALL ldv_list_add(&le->list, s) [L608] EXPR head->next [L608] CALL __ldv_list_add(new, head, head->next) [L596] next->prev = new [L597] new->next = next [L598] new->prev = prev [L599] prev->next = new [L608] RET __ldv_list_add(new, head, head->next) [L640] RET ldv_list_add(&le->list, s) [L670] RET ldv_set_add(m, &mutexes) [L684] RET mutex_lock(m1) [L685] CALL mutex_lock(m1) [L669] CALL ldv_is_in_set(m, &mutexes) [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L655] COND TRUE &m->list != (s) [L656] EXPR m->e [L656] COND TRUE m->e == e [L657] return 1; [L669] RET ldv_is_in_set(m, &mutexes) [L669] COND TRUE ldv_is_in_set(m, &mutexes) [L669] CALL reach_error() [L562] COND FALSE !(0) [L562] __assert_fail ("0", "model/ldv.h", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 16.7s, OverallIterations: 5, TraceHistogramMax: 5, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 442 SDtfs, 630 SDslu, 429 SDs, 0 SdLazy, 2166 SolverSat, 386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 115 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 96785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 141/156 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...