/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:24:30,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:24:30,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:24:30,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:24:30,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:24:30,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:24:30,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:24:30,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:24:30,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:24:30,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:24:30,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:24:30,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:24:30,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:24:30,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:24:30,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:24:30,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:24:30,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:24:30,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:24:30,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:24:30,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:24:30,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:24:30,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:24:30,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:24:30,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:24:30,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:24:30,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:24:30,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:24:30,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:24:30,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:24:30,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:24:30,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:24:30,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:24:30,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:24:30,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:24:30,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:24:30,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:24:30,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:24:30,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:24:30,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:24:30,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:24:30,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:24:30,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:24:30,270 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:24:30,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:24:30,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:24:30,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:24:30,273 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:24:30,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:24:30,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:24:30,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:24:30,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:24:30,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:24:30,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:24:30,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:24:30,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:24:30,276 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:24:30,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:24:30,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:24:30,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:24:30,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:24:30,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:24:30,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:24:30,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:24:30,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:24:30,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:24:30,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:24:30,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:24:30,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:24:30,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:24:30,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:24:30,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:24:30,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:24:30,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:24:30,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:24:30,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:24:30,732 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:24:30,732 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:24:30,733 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-09-21 11:24:30,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c87dd9d2/1aeb30c0af0e4667a284c40a37c90481/FLAG3a4c1c36a [2020-09-21 11:24:31,397 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:24:31,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-09-21 11:24:31,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c87dd9d2/1aeb30c0af0e4667a284c40a37c90481/FLAG3a4c1c36a [2020-09-21 11:24:31,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c87dd9d2/1aeb30c0af0e4667a284c40a37c90481 [2020-09-21 11:24:31,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:24:31,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:24:31,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:31,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:24:31,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:24:31,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:24:31" (1/1) ... [2020-09-21 11:24:31,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9211b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:31, skipping insertion in model container [2020-09-21 11:24:31,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:24:31" (1/1) ... [2020-09-21 11:24:31,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:24:31,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:24:32,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:32,301 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:24:32,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:32,436 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:24:32,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:32 WrapperNode [2020-09-21 11:24:32,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:32,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:24:32,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:24:32,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:24:32,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:32" (1/1) ... [2020-09-21 11:24:32,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:32" (1/1) ... [2020-09-21 11:24:32,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:32" (1/1) ... [2020-09-21 11:24:32,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:32" (1/1) ... [2020-09-21 11:24:32,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:32" (1/1) ... [2020-09-21 11:24:32,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:32" (1/1) ... [2020-09-21 11:24:32,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:32" (1/1) ... [2020-09-21 11:24:32,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:24:32,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:24:32,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:24:32,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:24:32,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:24:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:24:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:24:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-21 11:24:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-21 11:24:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:24:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-21 11:24:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-21 11:24:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-21 11:24:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-21 11:24:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-21 11:24:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-21 11:24:32,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-21 11:24:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-21 11:24:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-21 11:24:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-21 11:24:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-21 11:24:32,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-21 11:24:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-21 11:24:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-21 11:24:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-21 11:24:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-21 11:24:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-21 11:24:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-21 11:24:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-21 11:24:32,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:24:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-21 11:24:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-21 11:24:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-21 11:24:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-21 11:24:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-21 11:24:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-21 11:24:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-21 11:24:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-21 11:24:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-21 11:24:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-21 11:24:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-21 11:24:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-21 11:24:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-21 11:24:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-21 11:24:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-21 11:24:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-21 11:24:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-21 11:24:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-21 11:24:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-21 11:24:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-21 11:24:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-21 11:24:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-21 11:24:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-21 11:24:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-21 11:24:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-21 11:24:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-21 11:24:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-21 11:24:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-21 11:24:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-21 11:24:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-21 11:24:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-21 11:24:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-21 11:24:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-21 11:24:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-21 11:24:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-21 11:24:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-21 11:24:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-21 11:24:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-21 11:24:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-21 11:24:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-21 11:24:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-21 11:24:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-21 11:24:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-21 11:24:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-21 11:24:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-21 11:24:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-21 11:24:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-21 11:24:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-21 11:24:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-21 11:24:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-21 11:24:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-21 11:24:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-21 11:24:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:24:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 11:24:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-21 11:24:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:24:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-21 11:24:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-21 11:24:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-21 11:24:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-21 11:24:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:24:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-21 11:24:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-21 11:24:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:24:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-21 11:24:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-21 11:24:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-21 11:24:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-21 11:24:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-21 11:24:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-21 11:24:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-21 11:24:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-21 11:24:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-21 11:24:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-21 11:24:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-21 11:24:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-21 11:24:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-21 11:24:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-21 11:24:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-21 11:24:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-21 11:24:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-21 11:24:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-21 11:24:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-21 11:24:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-21 11:24:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-21 11:24:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-21 11:24:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-21 11:24:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-21 11:24:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-21 11:24:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-21 11:24:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-21 11:24:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-21 11:24:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-21 11:24:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-21 11:24:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-21 11:24:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-21 11:24:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-21 11:24:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-21 11:24:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-21 11:24:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-21 11:24:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-21 11:24:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-21 11:24:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:24:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:24:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:24:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-21 11:24:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:24:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-21 11:24:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-21 11:24:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:24:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-21 11:24:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-21 11:24:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-21 11:24:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:24:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-21 11:24:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-21 11:24:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-21 11:24:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-21 11:24:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-21 11:24:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-21 11:24:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-21 11:24:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-21 11:24:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:24:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-21 11:24:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-21 11:24:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-21 11:24:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-21 11:24:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-21 11:24:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:24:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:24:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:24:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 11:24:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:24:33,298 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:24:33,299 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-21 11:24:33,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:33 BoogieIcfgContainer [2020-09-21 11:24:33,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:24:33,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:24:33,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:24:33,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:24:33,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:24:31" (1/3) ... [2020-09-21 11:24:33,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2c932c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:33, skipping insertion in model container [2020-09-21 11:24:33,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:32" (2/3) ... [2020-09-21 11:24:33,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2c932c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:33, skipping insertion in model container [2020-09-21 11:24:33,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:33" (3/3) ... [2020-09-21 11:24:33,314 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2020-09-21 11:24:33,326 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:24:33,337 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-21 11:24:33,360 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-21 11:24:33,392 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:24:33,392 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:24:33,393 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:24:33,393 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:24:33,393 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:24:33,393 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:24:33,393 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:24:33,393 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:24:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-09-21 11:24:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-09-21 11:24:33,429 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:33,430 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:33,431 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:33,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:33,440 INFO L82 PathProgramCache]: Analyzing trace with hash -326397870, now seen corresponding path program 1 times [2020-09-21 11:24:33,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:33,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1334998999] [2020-09-21 11:24:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:33,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:33,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:33,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:33,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:33,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 11:24:33,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:33,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:24:33,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:33,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:33,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:24:33,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:33,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:33,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:33,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:33,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:33,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:33,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:33,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:33,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:33,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:33,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:33,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:33,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:33,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:33,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:33,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:33,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:33,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:33,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:33,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:33,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:24:33,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:33,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:33,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:33,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:33,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:33,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:24:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:33,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:33,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:33,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:33,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:33,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:33,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:33,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:33,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:33,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:33,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:33,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:33,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:33,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:33,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:24:33,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:33,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:33,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:24:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:33,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:33,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 11:24:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:33,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:33,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:33,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:33,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:33,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:33,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:33,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:33,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:33,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:33,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:33,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:33,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:33,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:33,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:33,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:33,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:33,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:33,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:24:33,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:33,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:33,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:24:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:33,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:33,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:24:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:33,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:33,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:33,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:33,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:33,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:33,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:33,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:33,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:33,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:24:33,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1334998999] [2020-09-21 11:24:33,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:33,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:24:33,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272908640] [2020-09-21 11:24:33,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:24:33,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:33,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:24:33,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:24:33,930 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 4 states. [2020-09-21 11:24:34,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:34,215 INFO L93 Difference]: Finished difference Result 217 states and 268 transitions. [2020-09-21 11:24:34,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:24:34,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-09-21 11:24:34,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:34,234 INFO L225 Difference]: With dead ends: 217 [2020-09-21 11:24:34,234 INFO L226 Difference]: Without dead ends: 111 [2020-09-21 11:24:34,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:24:34,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-21 11:24:34,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2020-09-21 11:24:34,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-09-21 11:24:34,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions. [2020-09-21 11:24:34,318 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 108 transitions. Word has length 42 [2020-09-21 11:24:34,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:34,319 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 108 transitions. [2020-09-21 11:24:34,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:24:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2020-09-21 11:24:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-09-21 11:24:34,324 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:34,324 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:34,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:24:34,324 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:34,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:34,325 INFO L82 PathProgramCache]: Analyzing trace with hash -934339182, now seen corresponding path program 1 times [2020-09-21 11:24:34,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:34,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616509218] [2020-09-21 11:24:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:34,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:34,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:34,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:34,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:34,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 11:24:34,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:24:34,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:24:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-21 11:24:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:24:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:34,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:34,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:34,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:34,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:34,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:34,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:34,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:34,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:34,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:34,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:34,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:34,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:34,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:34,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:34,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:34,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:24:34,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:34,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:34,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:34,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:24:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:34,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:34,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:34,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:34,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:34,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:34,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:34,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:34,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:34,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:34,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:34,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:34,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:34,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:34,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:34,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:24:34,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:34,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:34,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:34,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:34,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 11:24:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:34,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:34,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:34,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:34,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:34,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:34,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:34,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:34,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:34,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:34,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:34,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:34,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:24:34,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:34,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:34,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:34,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:34,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:24:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:34,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:34,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:34,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:34,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:34,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:34,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:34,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:24:34,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:24:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:34,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:24:34,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:24:34,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616509218] [2020-09-21 11:24:34,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:34,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:24:34,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821320988] [2020-09-21 11:24:34,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:24:34,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:34,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:24:34,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:24:34,614 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand 6 states. [2020-09-21 11:24:35,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:35,033 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2020-09-21 11:24:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:24:35,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-09-21 11:24:35,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:35,036 INFO L225 Difference]: With dead ends: 117 [2020-09-21 11:24:35,037 INFO L226 Difference]: Without dead ends: 115 [2020-09-21 11:24:35,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:24:35,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-21 11:24:35,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-09-21 11:24:35,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-09-21 11:24:35,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions. [2020-09-21 11:24:35,056 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 42 [2020-09-21 11:24:35,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:35,056 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions. [2020-09-21 11:24:35,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:24:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2020-09-21 11:24:35,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-09-21 11:24:35,058 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:35,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:35,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:24:35,059 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:35,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:35,059 INFO L82 PathProgramCache]: Analyzing trace with hash 640264123, now seen corresponding path program 1 times [2020-09-21 11:24:35,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:35,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872726234] [2020-09-21 11:24:35,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:35,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:35,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:35,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:35,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:35,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 11:24:35,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:35,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-21 11:24:35,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:24:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:24:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-21 11:24:35,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:35,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:35,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:35,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:35,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:35,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:35,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:35,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:35,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:24:35,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:24:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:35,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:35,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:35,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:35,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:35,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:35,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:24:35,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:35,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:35,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:35,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:24:35,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:35,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:24:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:35,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:35,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:35,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:35,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:35,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:35,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:35,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:35,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:24:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:35,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:35,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:35,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:35,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:35,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:35,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:24:35,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:35,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:35,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:35,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:35,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 11:24:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:35,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:35,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:35,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:35,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:35,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:35,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:35,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:35,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:35,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:35,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:35,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:24:35,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:35,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:35,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:35,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:35,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:35,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:35,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:24:35,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:35,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:35,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:35,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:35,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:35,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:35,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:35,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:24:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:35,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:35,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:35,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:35,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:35,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:35,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:35,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:24:35,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:24:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:24:35,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:24:35,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872726234] [2020-09-21 11:24:35,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:35,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:24:35,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683010770] [2020-09-21 11:24:35,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:35,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:35,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:35,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:35,533 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand 7 states. [2020-09-21 11:24:36,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:36,771 INFO L93 Difference]: Finished difference Result 288 states and 346 transitions. [2020-09-21 11:24:36,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:24:36,772 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-09-21 11:24:36,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:36,775 INFO L225 Difference]: With dead ends: 288 [2020-09-21 11:24:36,775 INFO L226 Difference]: Without dead ends: 200 [2020-09-21 11:24:36,780 INFO L675 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 [2020-09-21 11:24:36,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-09-21 11:24:36,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 163. [2020-09-21 11:24:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-09-21 11:24:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 194 transitions. [2020-09-21 11:24:36,811 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 194 transitions. Word has length 42 [2020-09-21 11:24:36,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:36,812 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 194 transitions. [2020-09-21 11:24:36,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:24:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 194 transitions. [2020-09-21 11:24:36,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:24:36,815 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:36,816 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:36,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:24:36,816 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:36,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:36,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1149911364, now seen corresponding path program 1 times [2020-09-21 11:24:36,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:36,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313808507] [2020-09-21 11:24:36,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:36,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:36,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:36,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:36,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:36,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-21 11:24:36,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:36,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:24:36,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:36,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:24:36,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-09-21 11:24:36,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:24:36,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:36,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:36,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:36,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:36,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:36,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:36,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:36,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:36,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:36,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:36,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:36,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:36,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:36,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:36,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:36,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:36,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:24:36,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:36,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:36,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:36,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:36,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:24:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:36,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:36,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:36,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:36,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:36,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:36,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:36,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:36,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:36,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:36,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:36,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:36,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:36,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:36,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:36,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:24:36,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:36,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:36,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:36,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:36,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 11:24:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:36,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:36,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:36,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:36,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:36,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:36,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:36,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:36,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:36,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:36,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:36,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:36,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:36,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:36,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:36,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:36,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:36,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:36,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:24:36,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:36,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:36,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:36,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:36,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:36,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:36,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:36,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 11:24:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:36,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:36,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:36,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:36,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:36,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:24:36,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:36,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:36,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:24:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:24:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:24:36,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:36,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:36,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:36,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:36,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:36,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:36,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:36,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:36,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:36,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:36,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:36,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:24:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:24:37,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:37,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:24:37,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 11:24:37,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:24:37,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:37,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:37,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:24:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:24:37,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:24:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:24:37,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-21 11:24:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:37,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:24:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:24:37,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:37,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 11:24:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:37,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:37,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-09-21 11:24:37,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313808507] [2020-09-21 11:24:37,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:37,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:24:37,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089351778] [2020-09-21 11:24:37,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:37,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:37,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:37,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:37,100 INFO L87 Difference]: Start difference. First operand 163 states and 194 transitions. Second operand 7 states. [2020-09-21 11:24:37,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:37,562 INFO L93 Difference]: Finished difference Result 296 states and 353 transitions. [2020-09-21 11:24:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:24:37,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-09-21 11:24:37,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:37,573 INFO L225 Difference]: With dead ends: 296 [2020-09-21 11:24:37,573 INFO L226 Difference]: Without dead ends: 171 [2020-09-21 11:24:37,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:24:37,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-09-21 11:24:37,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-09-21 11:24:37,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-09-21 11:24:37,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 200 transitions. [2020-09-21 11:24:37,608 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 200 transitions. Word has length 90 [2020-09-21 11:24:37,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:37,609 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 200 transitions. [2020-09-21 11:24:37,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:24:37,609 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 200 transitions. [2020-09-21 11:24:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:24:37,611 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:37,612 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:37,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:24:37,612 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:37,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:37,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1610969230, now seen corresponding path program 1 times [2020-09-21 11:24:37,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:37,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753317780] [2020-09-21 11:24:37,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 7 [2020-09-21 11:24:37,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -49 [2020-09-21 11:24:37,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 49 [2020-09-21 11:24:37,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-21 11:24:37,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:24:37,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:24:37,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-21 11:24:37,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:24:37,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:37,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:24:37,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:24:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:37,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:24:37,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 11:24:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:37,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:37,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:24:37,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 11:24:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:24:37,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:24:37,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:24:37,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:24:37,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:24:37,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:37,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:24:37,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:37,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:24:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:24:38,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:24:38,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:24:38,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:38,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:24:38,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:38,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:24:38,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:24:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:38,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:24:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:24:38,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:38,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-21 11:24:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:38,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:38,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:38,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:38,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:38,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:24:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:24:38,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:38,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:38,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:24:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:38,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:38,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:38,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:38,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:38,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 11:24:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:38,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:24:38,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:38,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-21 11:24:38,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753317780] [2020-09-21 11:24:38,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:38,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:24:38,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345100524] [2020-09-21 11:24:38,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:24:38,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:38,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:24:38,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:24:38,280 INFO L87 Difference]: Start difference. First operand 169 states and 200 transitions. Second operand 12 states. [2020-09-21 11:24:40,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:40,574 INFO L93 Difference]: Finished difference Result 411 states and 497 transitions. [2020-09-21 11:24:40,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:24:40,575 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-09-21 11:24:40,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:40,579 INFO L225 Difference]: With dead ends: 411 [2020-09-21 11:24:40,579 INFO L226 Difference]: Without dead ends: 217 [2020-09-21 11:24:40,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:24:40,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-09-21 11:24:40,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 186. [2020-09-21 11:24:40,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-09-21 11:24:40,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 217 transitions. [2020-09-21 11:24:40,605 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 217 transitions. Word has length 90 [2020-09-21 11:24:40,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:40,605 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 217 transitions. [2020-09-21 11:24:40,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:24:40,605 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 217 transitions. [2020-09-21 11:24:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-21 11:24:40,607 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:40,607 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:40,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:24:40,608 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:40,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:40,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1106436747, now seen corresponding path program 1 times [2020-09-21 11:24:40,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:40,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29796370] [2020-09-21 11:24:40,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:24:40,658 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:24:40,658 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:24:40,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:24:40,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:24:40 BoogieIcfgContainer [2020-09-21 11:24:40,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:24:40,691 INFO L168 Benchmark]: Toolchain (without parser) took 8999.03 ms. Allocated memory was 141.6 MB in the beginning and 317.2 MB in the end (delta: 175.6 MB). Free memory was 103.3 MB in the beginning and 203.3 MB in the end (delta: -100.0 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:40,692 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:24:40,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.75 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 166.8 MB in the end (delta: -64.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:40,694 INFO L168 Benchmark]: Boogie Preprocessor took 82.09 ms. Allocated memory is still 205.5 MB. Free memory was 166.8 MB in the beginning and 163.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:40,695 INFO L168 Benchmark]: RCFGBuilder took 783.78 ms. Allocated memory is still 205.5 MB. Free memory was 163.5 MB in the beginning and 103.0 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:40,696 INFO L168 Benchmark]: TraceAbstraction took 7381.97 ms. Allocated memory was 205.5 MB in the beginning and 317.2 MB in the end (delta: 111.7 MB). Free memory was 102.4 MB in the beginning and 203.3 MB in the end (delta: -101.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:40,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.75 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 166.8 MB in the end (delta: -64.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.09 ms. Allocated memory is still 205.5 MB. Free memory was 166.8 MB in the beginning and 163.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 783.78 ms. Allocated memory is still 205.5 MB. Free memory was 163.5 MB in the beginning and 103.0 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7381.97 ms. Allocated memory was 205.5 MB in the beginning and 317.2 MB in the end (delta: 111.7 MB). Free memory was 102.4 MB in the beginning and 203.3 MB in the end (delta: -101.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 658]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L654] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L681] CALL foo() [L670] FCALL ldv_initialize() [L671] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L671] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L671] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L672] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L672] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L672] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L673] CALL mutex_lock(m1) [L658] CALL ldv_is_in_set(m, &mutexes) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND FALSE !(&m->list != (s)) [L649] return 0; [L658] RET ldv_is_in_set(m, &mutexes) [L658] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L659] CALL ldv_set_add(m, &mutexes) [L625] CALL, EXPR ldv_is_in_set(new, s) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND FALSE !(&m->list != (s)) [L649] return 0; [L625] RET, EXPR ldv_is_in_set(new, s) [L625] COND TRUE !ldv_is_in_set(new, s) [L626] struct ldv_list_element *le; [L627] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L627] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L627] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L628] le->e = new [L629] CALL ldv_list_add(&le->list, s) [L597] EXPR head->next [L597] CALL __ldv_list_add(new, head, head->next) [L585] next->prev = new [L586] new->next = next [L587] new->prev = prev [L588] prev->next = new [L597] RET __ldv_list_add(new, head, head->next) [L629] RET ldv_list_add(&le->list, s) [L659] RET ldv_set_add(m, &mutexes) [L673] RET mutex_lock(m1) [L674] CALL mutex_lock(m1) [L658] CALL ldv_is_in_set(m, &mutexes) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND TRUE &m->list != (s) [L645] EXPR m->e [L645] COND TRUE m->e == e [L646] return 1; [L658] RET ldv_is_in_set(m, &mutexes) [L658] COND TRUE ldv_is_in_set(m, &mutexes) [L658] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.2s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 504 SDtfs, 742 SDslu, 436 SDs, 0 SdLazy, 1982 SolverSat, 411 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 96 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 79474 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 119/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...