/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:24:31,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:24:31,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:24:31,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:24:32,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:24:32,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:24:32,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:24:32,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:24:32,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:24:32,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:24:32,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:24:32,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:24:32,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:24:32,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:24:32,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:24:32,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:24:32,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:24:32,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:24:32,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:24:32,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:24:32,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:24:32,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:24:32,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:24:32,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:24:32,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:24:32,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:24:32,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:24:32,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:24:32,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:24:32,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:24:32,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:24:32,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:24:32,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:24:32,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:24:32,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:24:32,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:24:32,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:24:32,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:24:32,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:24:32,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:24:32,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:24:32,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 19:24:32,117 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:24:32,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:24:32,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:24:32,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:24:32,120 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:24:32,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:24:32,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:24:32,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:24:32,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:24:32,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:24:32,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:24:32,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:24:32,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:24:32,123 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:24:32,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:24:32,124 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:24:32,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:24:32,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:24:32,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:24:32,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:24:32,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:24:32,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:24:32,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:24:32,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:24:32,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:24:32,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:24:32,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:24:32,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:24:32,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:24:32,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:24:32,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:24:32,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:24:32,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:24:32,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:24:32,605 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:24:32,606 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-09-24 19:24:32,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fad7910d7/9ba33943809345f8a392fc1d3998f959/FLAG2cded63f9 [2020-09-24 19:24:33,293 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:24:33,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-09-24 19:24:33,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fad7910d7/9ba33943809345f8a392fc1d3998f959/FLAG2cded63f9 [2020-09-24 19:24:33,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fad7910d7/9ba33943809345f8a392fc1d3998f959 [2020-09-24 19:24:33,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:24:33,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:24:33,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:24:33,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:24:33,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:24:33,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:24:33" (1/1) ... [2020-09-24 19:24:33,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ce1d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:33, skipping insertion in model container [2020-09-24 19:24:33,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:24:33" (1/1) ... [2020-09-24 19:24:33,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:24:33,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:24:34,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:24:34,136 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:24:34,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:24:34,261 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:24:34,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:34 WrapperNode [2020-09-24 19:24:34,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:24:34,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:24:34,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:24:34,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:24:34,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:34" (1/1) ... [2020-09-24 19:24:34,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:34" (1/1) ... [2020-09-24 19:24:34,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:34" (1/1) ... [2020-09-24 19:24:34,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:34" (1/1) ... [2020-09-24 19:24:34,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:34" (1/1) ... [2020-09-24 19:24:34,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:34" (1/1) ... [2020-09-24 19:24:34,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:34" (1/1) ... [2020-09-24 19:24:34,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:24:34,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:24:34,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:24:34,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:24:34,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:24:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:24:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:24:34,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-24 19:24:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-24 19:24:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 19:24:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 19:24:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-24 19:24:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-24 19:24:34,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-24 19:24:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-24 19:24:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-24 19:24:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-24 19:24:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-24 19:24:34,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-24 19:24:34,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-24 19:24:34,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-24 19:24:34,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-24 19:24:34,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-24 19:24:34,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-24 19:24:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 19:24:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-24 19:24:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-24 19:24:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 19:24:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-24 19:24:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:24:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-24 19:24:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-24 19:24:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-24 19:24:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-24 19:24:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-24 19:24:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-24 19:24:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-24 19:24:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-24 19:24:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-24 19:24:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-24 19:24:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-24 19:24:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-24 19:24:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-24 19:24:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-24 19:24:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-24 19:24:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-24 19:24:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-24 19:24:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-24 19:24:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-24 19:24:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-24 19:24:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-24 19:24:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-24 19:24:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-24 19:24:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-24 19:24:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-24 19:24:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-24 19:24:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-24 19:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-24 19:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-24 19:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-24 19:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-24 19:24:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-24 19:24:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-24 19:24:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-24 19:24:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-24 19:24:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-24 19:24:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-24 19:24:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-24 19:24:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-24 19:24:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-24 19:24:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-24 19:24:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-24 19:24:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-24 19:24:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-24 19:24:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-24 19:24:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-24 19:24:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-24 19:24:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-24 19:24:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-24 19:24:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-24 19:24:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-24 19:24:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-24 19:24:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 19:24:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 19:24:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 19:24:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 19:24:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 19:24:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-24 19:24:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 19:24:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-24 19:24:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 19:24:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-24 19:24:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-24 19:24:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 19:24:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-24 19:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-24 19:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-24 19:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-24 19:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-24 19:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-24 19:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-24 19:24:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-24 19:24:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-24 19:24:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-24 19:24:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-24 19:24:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-24 19:24:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-24 19:24:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-24 19:24:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-24 19:24:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-24 19:24:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-24 19:24:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-24 19:24:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-24 19:24:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-24 19:24:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-24 19:24:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-24 19:24:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-24 19:24:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-24 19:24:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-24 19:24:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-24 19:24:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-24 19:24:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-24 19:24:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-24 19:24:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-24 19:24:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-24 19:24:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-24 19:24:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-24 19:24:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-24 19:24:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-24 19:24:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-24 19:24:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-24 19:24:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-24 19:24:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:24:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 19:24:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:24:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 19:24:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:24:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-24 19:24:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-24 19:24:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 19:24:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-24 19:24:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-24 19:24:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-24 19:24:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 19:24:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-24 19:24:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-24 19:24:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-24 19:24:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-24 19:24:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-24 19:24:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-24 19:24:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-24 19:24:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-24 19:24:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:24:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 19:24:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-24 19:24:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-24 19:24:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 19:24:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-24 19:24:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:24:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:24:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 19:24:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 19:24:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:24:35,305 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:24:35,305 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-24 19:24:35,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:24:35 BoogieIcfgContainer [2020-09-24 19:24:35,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:24:35,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:24:35,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:24:35,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:24:35,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:24:33" (1/3) ... [2020-09-24 19:24:35,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@769c42f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:24:35, skipping insertion in model container [2020-09-24 19:24:35,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:34" (2/3) ... [2020-09-24 19:24:35,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@769c42f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:24:35, skipping insertion in model container [2020-09-24 19:24:35,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:24:35" (3/3) ... [2020-09-24 19:24:35,321 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2020-09-24 19:24:35,332 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:24:35,343 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-24 19:24:35,365 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-24 19:24:35,397 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:24:35,398 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:24:35,398 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:24:35,398 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:24:35,398 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:24:35,398 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:24:35,398 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:24:35,398 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:24:35,432 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-09-24 19:24:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-24 19:24:35,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:35,444 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:35,445 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:35,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:35,453 INFO L82 PathProgramCache]: Analyzing trace with hash 899835465, now seen corresponding path program 1 times [2020-09-24 19:24:35,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:35,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179512309] [2020-09-24 19:24:35,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:35,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:36,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:36,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 19:24:36,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:36,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 447 [2020-09-24 19:24:36,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:36,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:24:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-24 19:24:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:24:36,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 19:24:36,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:36,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:36,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:36,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:24:36,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:36,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:24:36,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:36,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:36,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 19:24:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:36,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:36,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:36,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:24:36,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:36,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:24:36,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:36,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:36,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:24:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:36,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:36,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:36,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 19:24:36,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:36,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 19:24:36,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:36,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:24:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:36,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:36,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:36,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:24:36,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:36,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:24:36,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:36,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:36,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:36,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:36,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:36,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 19:24:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:36,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:36,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:36,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 19:24:36,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:36,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 19:24:36,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:36,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:36,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:36,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:36,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:24:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:36,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:36,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:36,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:24:36,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:36,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:24:36,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:36,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:36,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:36,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:36,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:24:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:36,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:36,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:36,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 19:24:36,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:36,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 19:24:36,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:36,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:24:36,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:36,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 19:24:36,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 19:24:36,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179512309] [2020-09-24 19:24:36,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:24:36,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 19:24:36,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940995959] [2020-09-24 19:24:36,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 19:24:36,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:36,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 19:24:36,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 19:24:36,499 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2020-09-24 19:24:37,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:37,216 INFO L93 Difference]: Finished difference Result 367 states and 421 transitions. [2020-09-24 19:24:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 19:24:37,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-09-24 19:24:37,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:37,236 INFO L225 Difference]: With dead ends: 367 [2020-09-24 19:24:37,236 INFO L226 Difference]: Without dead ends: 192 [2020-09-24 19:24:37,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:24:37,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-09-24 19:24:37,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 172. [2020-09-24 19:24:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-24 19:24:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 184 transitions. [2020-09-24 19:24:37,323 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 184 transitions. Word has length 60 [2020-09-24 19:24:37,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:37,324 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 184 transitions. [2020-09-24 19:24:37,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 19:24:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 184 transitions. [2020-09-24 19:24:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-24 19:24:37,329 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:37,329 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:37,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:24:37,330 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:37,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:37,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1713006157, now seen corresponding path program 1 times [2020-09-24 19:24:37,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:37,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020700374] [2020-09-24 19:24:37,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:37,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:38,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:24:38,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:38,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 683 [2020-09-24 19:24:38,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 19:24:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:24:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 19:24:38,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:38,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:38,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:24:38,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:38,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 19:24:38,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:38,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:38,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:38,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:24:38,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 19:24:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:38,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:38,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:24:38,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:38,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:24:38,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:38,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:38,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:38,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:24:38,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:24:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:38,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:38,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 19:24:38,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:38,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 19:24:38,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:38,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:38,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 19:24:38,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:24:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:38,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:38,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:24:38,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:38,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:24:38,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:38,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:38,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:38,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:38,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 19:24:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:38,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:38,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 19:24:38,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:38,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 19:24:38,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:38,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:38,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:38,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 19:24:38,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:24:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:38,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:38,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:24:38,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:38,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:24:38,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:38,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:38,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:24:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:38,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:38,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:24:38,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:38,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 19:24:38,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:38,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:24:38,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 19:24:38,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 19:24:38,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,616 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 19:24:38,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020700374] [2020-09-24 19:24:38,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:24:38,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:24:38,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661351119] [2020-09-24 19:24:38,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:24:38,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:38,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:24:38,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:24:38,622 INFO L87 Difference]: Start difference. First operand 172 states and 184 transitions. Second operand 10 states. [2020-09-24 19:24:39,143 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-09-24 19:24:39,288 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-09-24 19:24:39,981 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-09-24 19:24:40,183 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-09-24 19:24:41,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:41,026 INFO L93 Difference]: Finished difference Result 494 states and 552 transitions. [2020-09-24 19:24:41,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 19:24:41,027 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-09-24 19:24:41,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:41,033 INFO L225 Difference]: With dead ends: 494 [2020-09-24 19:24:41,033 INFO L226 Difference]: Without dead ends: 343 [2020-09-24 19:24:41,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2020-09-24 19:24:41,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-24 19:24:41,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 277. [2020-09-24 19:24:41,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-09-24 19:24:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 308 transitions. [2020-09-24 19:24:41,083 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 308 transitions. Word has length 63 [2020-09-24 19:24:41,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:41,084 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 308 transitions. [2020-09-24 19:24:41,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:24:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 308 transitions. [2020-09-24 19:24:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-24 19:24:41,090 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:41,091 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:41,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:24:41,091 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:41,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:41,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2101448545, now seen corresponding path program 1 times [2020-09-24 19:24:41,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:41,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560729747] [2020-09-24 19:24:41,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:41,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:41,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:41,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:41,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 19:24:41,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846 [2020-09-24 19:24:41,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:24:41,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-24 19:24:41,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:24:41,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:42,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:24:42,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:24:42,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:42,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 19:24:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:24:42,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:24:42,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:42,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:24:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 19:24:42,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:24:42,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:42,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:24:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:24:42,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:24:42,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:42,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 19:24:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 19:24:42,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:24:42,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:42,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:24:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:24:42,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:24:42,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:42,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-24 19:24:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:24:42,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:42,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-24 19:24:42,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:42,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:24:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 19:24:42,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:24:42,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:42,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 19:24:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 19:24:42,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:42,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 19:24:42,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:42,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:24:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 19:24:42,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:24:42,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:42,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 19:24:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:24:42,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-24 19:24:42,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:24:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 19:24:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:24:42,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:42,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:24:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 19:24:42,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:24:42,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:42,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 19:24:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 19:24:42,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 19:24:42,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:24:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 19:24:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:24:42,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:42,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:24:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 19:24:42,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 19:24:42,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:24:42,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:42,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 19:24:42,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:42,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 19:24:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:42,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 19:24:42,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:42,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:24:42,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:24:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:42,687 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-09-24 19:24:42,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560729747] [2020-09-24 19:24:42,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:24:42,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 19:24:42,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838512832] [2020-09-24 19:24:42,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:24:42,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:42,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:24:42,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:24:42,694 INFO L87 Difference]: Start difference. First operand 277 states and 308 transitions. Second operand 7 states. [2020-09-24 19:24:43,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:43,509 INFO L93 Difference]: Finished difference Result 511 states and 568 transitions. [2020-09-24 19:24:43,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 19:24:43,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-09-24 19:24:43,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:43,517 INFO L225 Difference]: With dead ends: 511 [2020-09-24 19:24:43,517 INFO L226 Difference]: Without dead ends: 286 [2020-09-24 19:24:43,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:24:43,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-24 19:24:43,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2020-09-24 19:24:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-09-24 19:24:43,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 314 transitions. [2020-09-24 19:24:43,589 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 314 transitions. Word has length 138 [2020-09-24 19:24:43,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:43,594 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 314 transitions. [2020-09-24 19:24:43,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:24:43,594 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 314 transitions. [2020-09-24 19:24:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-24 19:24:43,606 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:43,608 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:43,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:24:43,608 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:43,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:43,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1665265261, now seen corresponding path program 1 times [2020-09-24 19:24:43,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:43,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296683885] [2020-09-24 19:24:43,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:43,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:43,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:44,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-09-24 19:24:44,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:24:44,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-24 19:24:44,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:44,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 19:24:44,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-24 19:24:44,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-24 19:24:44,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:44,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:44,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:44,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:24:44,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:44,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:24:44,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:44,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:44,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:44,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:44,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 19:24:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:44,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:44,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:24:44,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:44,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:24:44,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:44,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:44,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:44,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:24:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:44,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:44,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 19:24:44,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:44,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:24:44,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:44,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:44,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:44,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:24:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:44,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:44,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:24:44,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:24:44,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:44,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:44,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 19:24:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:44,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:44,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 19:24:44,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:44,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:24:44,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:44,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:44,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:24:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:44,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:44,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:24:44,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:44,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:24:44,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:44,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:44,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-24 19:24:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:44,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:45,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:24:45,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:45,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 495 [2020-09-24 19:24:45,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 19:24:45,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:45,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 19:24:45,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:45,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:24:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:45,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:45,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 19:24:45,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:24:45,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:45,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 19:24:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:45,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 19:24:45,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:45,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-24 19:24:45,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:45,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 19:24:45,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:45,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 19:24:45,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:45,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:24:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:45,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:24:45,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:45,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 19:24:45,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:45,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 19:24:45,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:45,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 19:24:45,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:45,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:24:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:45,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:46,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:46,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:24:46,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-24 19:24:46,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 19:24:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 19:24:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 19:24:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:46,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:24:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:46,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:46,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:46,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 19:24:46,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 19:24:46,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 19:24:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 19:24:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:46,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 19:24:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:46,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:46,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:46,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 19:24:46,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:46,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 19:24:46,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 19:24:46,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:47,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:24:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:47,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:47,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:47,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:24:47,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:47,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:24:47,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:47,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:47,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:47,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:47,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:47,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 19:24:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:47,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:47,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:47,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 19:24:47,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:47,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:24:47,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:47,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:47,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:24:47,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:47,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 47 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-09-24 19:24:47,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296683885] [2020-09-24 19:24:47,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:24:47,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 19:24:47,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794407114] [2020-09-24 19:24:47,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 19:24:47,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:47,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 19:24:47,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-09-24 19:24:47,089 INFO L87 Difference]: Start difference. First operand 283 states and 314 transitions. Second operand 16 states. [2020-09-24 19:24:51,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:51,536 INFO L93 Difference]: Finished difference Result 782 states and 861 transitions. [2020-09-24 19:24:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-24 19:24:51,537 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 144 [2020-09-24 19:24:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:51,542 INFO L225 Difference]: With dead ends: 782 [2020-09-24 19:24:51,542 INFO L226 Difference]: Without dead ends: 508 [2020-09-24 19:24:51,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=509, Invalid=2247, Unknown=0, NotChecked=0, Total=2756 [2020-09-24 19:24:51,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-09-24 19:24:51,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 354. [2020-09-24 19:24:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-09-24 19:24:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 386 transitions. [2020-09-24 19:24:51,574 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 386 transitions. Word has length 144 [2020-09-24 19:24:51,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:51,574 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 386 transitions. [2020-09-24 19:24:51,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 19:24:51,575 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 386 transitions. [2020-09-24 19:24:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-24 19:24:51,576 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:51,577 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:51,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 19:24:51,577 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:51,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:51,578 INFO L82 PathProgramCache]: Analyzing trace with hash 203347141, now seen corresponding path program 1 times [2020-09-24 19:24:51,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:51,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546248648] [2020-09-24 19:24:51,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 19:24:51,629 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 19:24:51,629 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 19:24:51,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 19:24:51,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:24:51 BoogieIcfgContainer [2020-09-24 19:24:51,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:24:51,662 INFO L168 Benchmark]: Toolchain (without parser) took 18119.71 ms. Allocated memory was 142.1 MB in the beginning and 381.2 MB in the end (delta: 239.1 MB). Free memory was 103.1 MB in the beginning and 102.2 MB in the end (delta: 875.3 kB). Peak memory consumption was 240.0 MB. Max. memory is 7.1 GB. [2020-09-24 19:24:51,663 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 19:24:51,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.99 ms. Allocated memory was 142.1 MB in the beginning and 205.5 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 167.2 MB in the end (delta: -64.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-09-24 19:24:51,665 INFO L168 Benchmark]: Boogie Preprocessor took 82.47 ms. Allocated memory is still 205.5 MB. Free memory was 167.2 MB in the beginning and 164.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-09-24 19:24:51,666 INFO L168 Benchmark]: RCFGBuilder took 966.41 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 164.0 MB in the beginning and 205.3 MB in the end (delta: -41.3 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. [2020-09-24 19:24:51,667 INFO L168 Benchmark]: TraceAbstraction took 16347.48 ms. Allocated memory was 235.4 MB in the beginning and 381.2 MB in the end (delta: 145.8 MB). Free memory was 205.3 MB in the beginning and 102.2 MB in the end (delta: 103.1 MB). Peak memory consumption was 248.8 MB. Max. memory is 7.1 GB. [2020-09-24 19:24:51,671 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.99 ms. Allocated memory was 142.1 MB in the beginning and 205.5 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 167.2 MB in the end (delta: -64.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.47 ms. Allocated memory is still 205.5 MB. Free memory was 167.2 MB in the beginning and 164.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 966.41 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 164.0 MB in the beginning and 205.3 MB in the end (delta: -41.3 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16347.48 ms. Allocated memory was 235.4 MB in the beginning and 381.2 MB in the end (delta: 145.8 MB). Free memory was 205.3 MB in the beginning and 102.2 MB in the end (delta: 103.1 MB). Peak memory consumption was 248.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 658]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L654] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L681] CALL foo() [L670] FCALL ldv_initialize() [L671] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L671] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L671] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L672] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L672] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L672] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L673] CALL mutex_lock(m1) [L658] CALL ldv_is_in_set(m, &mutexes) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND FALSE !(&m->list != (s)) [L649] return 0; [L658] RET ldv_is_in_set(m, &mutexes) [L658] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L659] CALL ldv_set_add(m, &mutexes) [L625] CALL, EXPR ldv_is_in_set(new, s) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND FALSE !(&m->list != (s)) [L649] return 0; [L625] RET, EXPR ldv_is_in_set(new, s) [L625] COND TRUE !ldv_is_in_set(new, s) [L626] struct ldv_list_element *le; [L627] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L627] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L627] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L628] le->e = new [L629] CALL ldv_list_add(&le->list, s) [L597] EXPR head->next [L597] CALL __ldv_list_add(new, head, head->next) [L585] next->prev = new [L586] new->next = next [L587] new->prev = prev [L588] prev->next = new [L597] RET __ldv_list_add(new, head, head->next) [L629] RET ldv_list_add(&le->list, s) [L659] RET ldv_set_add(m, &mutexes) [L673] RET mutex_lock(m1) [L674] CALL mutex_lock(m1) [L658] CALL ldv_is_in_set(m, &mutexes) [L643] struct ldv_list_element *m; [L644] EXPR (s)->next [L644] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L644] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L644] COND TRUE &m->list != (s) [L645] EXPR m->e [L645] COND TRUE m->e == e [L646] return 1; [L658] RET ldv_is_in_set(m, &mutexes) [L658] COND TRUE ldv_is_in_set(m, &mutexes) [L658] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 215 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 16.2s, OverallIterations: 5, TraceHistogramMax: 5, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 803 SDtfs, 1705 SDslu, 629 SDs, 0 SdLazy, 3903 SolverSat, 431 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 201 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=354occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 243 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 180789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 244/293 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...