/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 15:44:03,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 15:44:03,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 15:44:03,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 15:44:03,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 15:44:03,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 15:44:03,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 15:44:03,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 15:44:03,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 15:44:03,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 15:44:03,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 15:44:03,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 15:44:03,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 15:44:03,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 15:44:03,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 15:44:03,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 15:44:03,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 15:44:03,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 15:44:03,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 15:44:03,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 15:44:03,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 15:44:03,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 15:44:03,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 15:44:03,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 15:44:03,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 15:44:03,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 15:44:03,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 15:44:03,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 15:44:03,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 15:44:03,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 15:44:03,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 15:44:03,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 15:44:03,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 15:44:03,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 15:44:03,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 15:44:03,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 15:44:03,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 15:44:03,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 15:44:03,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 15:44:03,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 15:44:03,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 15:44:03,235 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 15:44:03,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 15:44:03,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 15:44:03,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 15:44:03,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 15:44:03,271 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 15:44:03,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 15:44:03,272 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 15:44:03,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 15:44:03,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 15:44:03,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 15:44:03,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 15:44:03,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 15:44:03,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 15:44:03,274 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 15:44:03,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 15:44:03,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 15:44:03,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 15:44:03,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 15:44:03,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 15:44:03,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 15:44:03,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 15:44:03,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 15:44:03,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 15:44:03,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 15:44:03,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 15:44:03,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 15:44:03,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 15:44:03,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 15:44:03,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 15:44:03,277 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 15:44:03,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 15:44:03,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 15:44:03,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 15:44:03,626 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 15:44:03,626 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 15:44:03,629 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i [2020-10-12 15:44:03,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c99809ae/5b83f74b48eb426bbc20a59fbe0f07b4/FLAG819011aa1 [2020-10-12 15:44:04,243 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 15:44:04,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i [2020-10-12 15:44:04,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c99809ae/5b83f74b48eb426bbc20a59fbe0f07b4/FLAG819011aa1 [2020-10-12 15:44:04,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c99809ae/5b83f74b48eb426bbc20a59fbe0f07b4 [2020-10-12 15:44:04,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 15:44:04,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 15:44:04,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 15:44:04,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 15:44:04,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 15:44:04,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 03:44:04" (1/1) ... [2020-10-12 15:44:04,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb9198f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:04, skipping insertion in model container [2020-10-12 15:44:04,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 03:44:04" (1/1) ... [2020-10-12 15:44:04,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 15:44:04,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 15:44:05,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 15:44:05,066 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 15:44:05,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 15:44:05,196 INFO L208 MainTranslator]: Completed translation [2020-10-12 15:44:05,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:05 WrapperNode [2020-10-12 15:44:05,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 15:44:05,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 15:44:05,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 15:44:05,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 15:44:05,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:05" (1/1) ... [2020-10-12 15:44:05,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:05" (1/1) ... [2020-10-12 15:44:05,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:05" (1/1) ... [2020-10-12 15:44:05,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:05" (1/1) ... [2020-10-12 15:44:05,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:05" (1/1) ... [2020-10-12 15:44:05,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:05" (1/1) ... [2020-10-12 15:44:05,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:05" (1/1) ... [2020-10-12 15:44:05,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 15:44:05,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 15:44:05,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 15:44:05,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 15:44:05,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 15:44:05,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 15:44:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 15:44:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-12 15:44:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-12 15:44:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 15:44:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 15:44:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-12 15:44:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-12 15:44:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-12 15:44:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-12 15:44:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-12 15:44:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-12 15:44:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-12 15:44:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-12 15:44:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-12 15:44:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-12 15:44:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-12 15:44:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-12 15:44:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-12 15:44:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 15:44:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-12 15:44:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 15:44:05,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 15:44:05,368 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-12 15:44:05,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 15:44:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-12 15:44:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-12 15:44:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-12 15:44:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-12 15:44:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-12 15:44:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-12 15:44:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-12 15:44:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-12 15:44:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-12 15:44:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-12 15:44:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-12 15:44:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-12 15:44:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-12 15:44:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-12 15:44:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-12 15:44:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-12 15:44:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-12 15:44:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-12 15:44:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-12 15:44:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-12 15:44:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-12 15:44:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-12 15:44:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-12 15:44:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-12 15:44:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-12 15:44:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-12 15:44:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-12 15:44:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-12 15:44:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-12 15:44:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-12 15:44:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-12 15:44:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-12 15:44:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-12 15:44:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-12 15:44:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-12 15:44:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-12 15:44:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-12 15:44:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-12 15:44:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-12 15:44:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-12 15:44:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-12 15:44:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-12 15:44:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-12 15:44:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-12 15:44:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-12 15:44:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-12 15:44:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-12 15:44:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-12 15:44:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-12 15:44:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-12 15:44:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-12 15:44:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-12 15:44:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 15:44:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-12 15:44:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-12 15:44:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 15:44:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-12 15:44:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-12 15:44:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-12 15:44:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-12 15:44:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 15:44:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-12 15:44:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-12 15:44:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 15:44:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-12 15:44:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-12 15:44:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-12 15:44:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-12 15:44:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-12 15:44:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-12 15:44:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-12 15:44:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-12 15:44:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-12 15:44:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-12 15:44:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-12 15:44:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-12 15:44:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-12 15:44:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-12 15:44:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-12 15:44:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-12 15:44:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-12 15:44:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-12 15:44:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-12 15:44:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-12 15:44:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-12 15:44:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-12 15:44:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-12 15:44:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-12 15:44:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-12 15:44:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-12 15:44:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-12 15:44:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-12 15:44:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-12 15:44:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-12 15:44:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-12 15:44:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-12 15:44:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-12 15:44:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-12 15:44:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-12 15:44:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-12 15:44:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-12 15:44:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-12 15:44:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 15:44:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 15:44:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 15:44:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 15:44:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 15:44:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-12 15:44:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-12 15:44:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 15:44:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-12 15:44:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-12 15:44:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-12 15:44:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 15:44:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-12 15:44:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-12 15:44:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-12 15:44:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-12 15:44:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-12 15:44:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-12 15:44:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-12 15:44:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-12 15:44:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 15:44:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 15:44:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-12 15:44:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 15:44:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 15:44:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-12 15:44:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 15:44:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 15:44:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 15:44:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 15:44:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 15:44:06,102 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 15:44:06,102 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-12 15:44:06,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 03:44:06 BoogieIcfgContainer [2020-10-12 15:44:06,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 15:44:06,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 15:44:06,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 15:44:06,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 15:44:06,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 03:44:04" (1/3) ... [2020-10-12 15:44:06,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcd9f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 03:44:06, skipping insertion in model container [2020-10-12 15:44:06,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:05" (2/3) ... [2020-10-12 15:44:06,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcd9f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 03:44:06, skipping insertion in model container [2020-10-12 15:44:06,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 03:44:06" (3/3) ... [2020-10-12 15:44:06,117 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_unlock.i [2020-10-12 15:44:06,128 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 15:44:06,137 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-12 15:44:06,152 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-12 15:44:06,174 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 15:44:06,175 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 15:44:06,175 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 15:44:06,175 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 15:44:06,175 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 15:44:06,176 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 15:44:06,176 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 15:44:06,176 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 15:44:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-12 15:44:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 15:44:06,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:44:06,207 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:44:06,208 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:44:06,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:44:06,215 INFO L82 PathProgramCache]: Analyzing trace with hash -326397870, now seen corresponding path program 1 times [2020-10-12 15:44:06,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:44:06,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974746245] [2020-10-12 15:44:06,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:44:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:06,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:06,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 15:44:06,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 15:44:06,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-12 15:44:06,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:06,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:06,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 15:44:06,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 15:44:06,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 15:44:06,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 15:44:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:06,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:06,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:44:06,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:06,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 15:44:06,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:06,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:06,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 15:44:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:06,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:06,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 15:44:06,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:06,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 15:44:06,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:06,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:06,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:06,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:06,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:07,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:07,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:07,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:44:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 15:44:07,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:07,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:07,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:07,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:07,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:07,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:07,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:44:07,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 15:44:07,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:07,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:07,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 15:44:07,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:07,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:07,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 15:44:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:07,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:07,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:07,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:07,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:07,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:44:07,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 15:44:07,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:07,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:07,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:07,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:07,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:07,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:07,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:07,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:44:07,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 15:44:07,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:07,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:07,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 15:44:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:07,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:07,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:07,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:07,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:07,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 15:44:07,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:07,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:07,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:07,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 15:44:07,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 15:44:07,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974746245] [2020-10-12 15:44:07,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 15:44:07,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 15:44:07,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597905791] [2020-10-12 15:44:07,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 15:44:07,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 15:44:07,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 15:44:07,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 15:44:07,147 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 6 states. [2020-10-12 15:44:07,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 15:44:07,785 INFO L93 Difference]: Finished difference Result 221 states and 275 transitions. [2020-10-12 15:44:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 15:44:07,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-12 15:44:07,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 15:44:07,801 INFO L225 Difference]: With dead ends: 221 [2020-10-12 15:44:07,802 INFO L226 Difference]: Without dead ends: 115 [2020-10-12 15:44:07,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 15:44:07,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-12 15:44:07,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-12 15:44:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-12 15:44:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions. [2020-10-12 15:44:07,875 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 42 [2020-10-12 15:44:07,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 15:44:07,876 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions. [2020-10-12 15:44:07,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 15:44:07,876 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2020-10-12 15:44:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 15:44:07,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:44:07,879 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:44:07,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 15:44:07,879 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:44:07,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:44:07,880 INFO L82 PathProgramCache]: Analyzing trace with hash 640264123, now seen corresponding path program 1 times [2020-10-12 15:44:07,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:44:07,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151991635] [2020-10-12 15:44:07,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:44:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:07,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:08,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:08,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 15:44:08,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-12 15:44:08,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:08,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 15:44:08,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 15:44:08,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 15:44:08,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:08,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 15:44:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:08,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:08,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:08,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:44:08,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 15:44:08,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 15:44:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:08,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 15:44:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:08,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:08,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:08,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 15:44:08,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:08,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 15:44:08,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 15:44:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:08,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:08,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:08,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:08,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:08,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:08,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 15:44:08,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:08,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:08,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 15:44:08,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:08,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:08,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:08,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:08,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:08,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 15:44:08,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:08,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 15:44:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:08,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:08,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:08,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:08,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:08,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 15:44:08,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:08,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:08,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:08,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 15:44:08,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:08,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:08,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:08,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:08,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:08,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:08,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 15:44:08,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:08,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:08,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:08,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:08,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:08,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 15:44:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:08,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:08,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:08,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:08,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:08,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 15:44:08,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:08,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 15:44:08,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 15:44:08,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 15:44:08,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 15:44:08,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151991635] [2020-10-12 15:44:08,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 15:44:08,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 15:44:08,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609443715] [2020-10-12 15:44:08,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 15:44:08,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 15:44:08,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 15:44:08,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-12 15:44:08,397 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand 7 states. [2020-10-12 15:44:09,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 15:44:09,831 INFO L93 Difference]: Finished difference Result 288 states and 346 transitions. [2020-10-12 15:44:09,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 15:44:09,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-12 15:44:09,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 15:44:09,836 INFO L225 Difference]: With dead ends: 288 [2020-10-12 15:44:09,837 INFO L226 Difference]: Without dead ends: 200 [2020-10-12 15:44:09,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-12 15:44:09,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-12 15:44:09,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 163. [2020-10-12 15:44:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-12 15:44:09,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 194 transitions. [2020-10-12 15:44:09,871 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 194 transitions. Word has length 42 [2020-10-12 15:44:09,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 15:44:09,872 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 194 transitions. [2020-10-12 15:44:09,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 15:44:09,872 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 194 transitions. [2020-10-12 15:44:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 15:44:09,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:44:09,876 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:44:09,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 15:44:09,877 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:44:09,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:44:09,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1149911364, now seen corresponding path program 1 times [2020-10-12 15:44:09,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:44:09,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714811039] [2020-10-12 15:44:09,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:44:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:09,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:09,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 15:44:10,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:44:10,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-10-12 15:44:10,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-12 15:44:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 15:44:10,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:10,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 15:44:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:44:10,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 15:44:10,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 15:44:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 15:44:10,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 15:44:10,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:10,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:10,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:10,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 15:44:10,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:10,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:10,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:10,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 15:44:10,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:10,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 15:44:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:10,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 15:44:10,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:10,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:10,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:10,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:10,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 15:44:10,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:10,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:10,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:10,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:10,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 15:44:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 15:44:10,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:44:10,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 15:44:10,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:10,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 15:44:10,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 15:44:10,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:10,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:10,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 15:44:10,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:10,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:10,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 15:44:10,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 15:44:10,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 15:44:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 15:44:10,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:10,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:10,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 15:44:10,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:10,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:10,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 15:44:10,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:10,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 15:44:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 15:44:10,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 15:44:10,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 15:44:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 15:44:10,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:10,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:10,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 15:44:10,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:10,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:10,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:10,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:10,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 15:44:10,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 15:44:10,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:10,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 15:44:10,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 15:44:10,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:10,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:10,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 15:44:10,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:10,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:10,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 15:44:10,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 15:44:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:10,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:10,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:10,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:10,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:10,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 15:44:10,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:10,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:10,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 15:44:10,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:10,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:10,757 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-12 15:44:10,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714811039] [2020-10-12 15:44:10,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 15:44:10,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 15:44:10,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114019] [2020-10-12 15:44:10,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 15:44:10,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 15:44:10,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 15:44:10,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-12 15:44:10,760 INFO L87 Difference]: Start difference. First operand 163 states and 194 transitions. Second operand 7 states. [2020-10-12 15:44:11,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 15:44:11,379 INFO L93 Difference]: Finished difference Result 296 states and 353 transitions. [2020-10-12 15:44:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 15:44:11,380 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-12 15:44:11,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 15:44:11,383 INFO L225 Difference]: With dead ends: 296 [2020-10-12 15:44:11,383 INFO L226 Difference]: Without dead ends: 171 [2020-10-12 15:44:11,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-12 15:44:11,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-12 15:44:11,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-12 15:44:11,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-12 15:44:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 200 transitions. [2020-10-12 15:44:11,414 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 200 transitions. Word has length 90 [2020-10-12 15:44:11,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 15:44:11,415 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 200 transitions. [2020-10-12 15:44:11,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 15:44:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 200 transitions. [2020-10-12 15:44:11,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 15:44:11,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:44:11,419 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:44:11,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 15:44:11,420 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:44:11,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:44:11,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1610969230, now seen corresponding path program 1 times [2020-10-12 15:44:11,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:44:11,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92447078] [2020-10-12 15:44:11,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:44:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:11,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:11,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:11,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:12,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:16,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 15:44:16,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 15:44:16,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-12 15:44:16,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:16,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 15:44:16,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 15:44:16,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 15:44:16,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:16,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 15:44:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:16,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:16,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:44:16,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:16,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 15:44:16,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 15:44:16,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 15:44:16,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 15:44:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:16,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:16,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 15:44:16,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:16,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 15:44:16,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:16,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 15:44:16,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:16,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:16,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:16,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:16,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:16,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 15:44:16,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:16,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:16,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:16,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 15:44:16,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:16,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:16,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:16,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:16,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:16,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 15:44:16,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:16,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:16,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:16,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:16,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:16,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 15:44:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:16,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:16,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:16,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:16,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 15:44:16,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 15:44:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:16,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:16,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:16,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:16,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:16,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 15:44:16,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:16,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:16,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:16,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 15:44:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:16,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:16,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:17,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:17,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 15:44:17,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 15:44:17,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 815 [2020-10-12 15:44:17,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:17,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 15:44:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 15:44:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 15:44:17,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:17,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:17,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:17,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:17,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:17,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:17,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 15:44:17,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 15:44:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 15:44:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:17,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:17,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:17,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:17,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 15:44:17,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:17,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 15:44:17,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 15:44:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 15:44:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 15:44:17,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:17,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:17,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:17,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:17,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:17,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:17,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 15:44:17,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 15:44:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 15:44:17,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:17,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 15:44:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:17,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:17,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:18,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:18,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 15:44:18,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:44:18,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-12 15:44:18,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:18,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 15:44:18,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 15:44:18,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 15:44:18,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:18,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:18,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:18,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:18,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:18,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:18,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 15:44:18,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 15:44:18,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:18,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:18,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:18,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:18,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 15:44:18,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:18,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 15:44:18,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:18,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 15:44:18,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 15:44:18,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 15:44:18,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:18,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:18,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:18,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:18,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:18,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:18,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 15:44:18,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:18,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 15:44:18,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:18,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 15:44:18,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:18,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 15:44:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:18,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:18,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:18,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:18,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 15:44:18,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 15:44:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:18,465 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 15:44:18,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92447078] [2020-10-12 15:44:18,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 15:44:18,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 15:44:18,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521504482] [2020-10-12 15:44:18,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 15:44:18,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 15:44:18,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 15:44:18,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-12 15:44:18,472 INFO L87 Difference]: Start difference. First operand 169 states and 200 transitions. Second operand 15 states. [2020-10-12 15:44:21,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 15:44:21,019 INFO L93 Difference]: Finished difference Result 444 states and 532 transitions. [2020-10-12 15:44:21,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 15:44:21,021 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 90 [2020-10-12 15:44:21,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 15:44:21,028 INFO L225 Difference]: With dead ends: 444 [2020-10-12 15:44:21,028 INFO L226 Difference]: Without dead ends: 247 [2020-10-12 15:44:21,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=302, Invalid=1258, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 15:44:21,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-12 15:44:21,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 205. [2020-10-12 15:44:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-12 15:44:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2020-10-12 15:44:21,075 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 90 [2020-10-12 15:44:21,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 15:44:21,075 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2020-10-12 15:44:21,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 15:44:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2020-10-12 15:44:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-12 15:44:21,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:44:21,078 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:44:21,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 15:44:21,078 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:44:21,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:44:21,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1106436747, now seen corresponding path program 1 times [2020-10-12 15:44:21,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:44:21,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [615712594] [2020-10-12 15:44:21,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:44:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:21,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:21,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:23,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:23,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:26,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:26,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 15:44:26,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 15:44:26,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 15:44:26,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:26,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-12 15:44:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 15:44:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 15:44:26,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:26,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 15:44:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:26,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:26,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:26,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:44:26,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:26,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 15:44:26,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:26,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:26,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:26,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 15:44:26,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:26,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 15:44:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:26,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:26,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:26,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 15:44:26,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:26,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 15:44:26,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:26,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:26,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:26,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 15:44:26,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:26,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:26,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:26,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:26,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:26,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:26,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 15:44:26,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:26,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 15:44:26,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:26,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 15:44:26,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:26,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:26,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:26,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:26,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:26,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:26,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 15:44:26,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:26,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:26,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:26,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 15:44:26,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:26,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 15:44:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:26,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:26,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:26,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:26,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:26,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 15:44:26,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 15:44:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 15:44:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 15:44:26,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:26,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:26,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:26,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:26,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:26,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:26,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 15:44:26,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:26,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:26,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:26,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 15:44:26,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:26,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 15:44:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:26,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:26,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:27,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:29,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:31,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:31,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-12 15:44:31,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 15:44:31,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 15:44:31,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 15:44:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 15:44:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:31,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:31,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:31,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:31,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:31,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:31,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 15:44:31,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:31,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 15:44:31,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:31,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 15:44:31,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:32,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:32,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:32,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:32,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:33,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:33,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 15:44:33,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 15:44:33,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1816 [2020-10-12 15:44:33,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 15:44:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 15:44:33,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:34,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:34,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:34,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:34,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:34,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:34,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 15:44:34,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 15:44:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 15:44:34,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:34,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 15:44:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:34,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:34,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:34,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 15:44:34,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 15:44:34,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:34,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:34,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:34,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 15:44:34,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:34,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:34,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:34,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:34,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 15:44:34,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 15:44:34,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:34,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:34,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 15:44:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:34,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:34,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:34,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 15:44:34,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:34,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 15:44:34,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:34,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 15:44:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 15:44:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 15:44:34,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:36,713 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 151 DAG size of output: 113 [2020-10-12 15:44:37,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:37,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:37,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:37,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:44:37,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:37,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-12 15:44:37,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 15:44:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 15:44:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 15:44:37,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1