/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/product-lines/minepump_spec2_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:53:43,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:53:43,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:53:43,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:53:43,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:53:43,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:53:43,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:53:43,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:53:43,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:53:43,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:53:43,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:53:43,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:53:43,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:53:43,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:53:43,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:53:43,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:53:43,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:53:43,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:53:43,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:53:43,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:53:43,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:53:43,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:53:43,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:53:43,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:53:43,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:53:43,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:53:43,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:53:43,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:53:43,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:53:43,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:53:43,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:53:43,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:53:43,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:53:43,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:53:43,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:53:43,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:53:43,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:53:43,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:53:43,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:53:43,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:53:43,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:53:43,568 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 17:53:43,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:53:43,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:53:43,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:53:43,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:53:43,591 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:53:43,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:53:43,591 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:53:43,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:53:43,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:53:43,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:53:43,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:53:43,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:53:43,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:53:43,592 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:53:43,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:53:43,593 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:53:43,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:53:43,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:53:43,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:53:43,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:53:43,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:53:43,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:53:43,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:53:43,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:53:43,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:53:43,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:53:43,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:53:43,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:53:43,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:53:43,595 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 17:53:43,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:53:43,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:53:43,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:53:43,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:53:43,918 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:53:43,919 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2020-10-12 17:53:43,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e29acac06/6686a6468ab3493f886866658be7d353/FLAGccd02709f [2020-10-12 17:53:44,505 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:53:44,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2020-10-12 17:53:44,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e29acac06/6686a6468ab3493f886866658be7d353/FLAGccd02709f [2020-10-12 17:53:44,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e29acac06/6686a6468ab3493f886866658be7d353 [2020-10-12 17:53:44,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:53:44,840 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:53:44,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:53:44,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:53:44,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:53:44,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:53:44" (1/1) ... [2020-10-12 17:53:44,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697fd79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:44, skipping insertion in model container [2020-10-12 17:53:44,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:53:44" (1/1) ... [2020-10-12 17:53:44,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:53:44,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:53:45,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:53:45,372 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:53:45,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:53:45,491 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:53:45,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:45 WrapperNode [2020-10-12 17:53:45,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:53:45,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:53:45,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:53:45,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:53:45,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:45" (1/1) ... [2020-10-12 17:53:45,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:45" (1/1) ... [2020-10-12 17:53:45,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:45" (1/1) ... [2020-10-12 17:53:45,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:45" (1/1) ... [2020-10-12 17:53:45,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:45" (1/1) ... [2020-10-12 17:53:45,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:45" (1/1) ... [2020-10-12 17:53:45,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:45" (1/1) ... [2020-10-12 17:53:45,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:53:45,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:53:45,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:53:45,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:53:45,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:45" (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 17:53:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:53:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:53:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:53:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:53:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:53:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:53:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:53:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:53:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:53:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:53:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:53:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:53:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:53:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:53:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:53:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:53:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 17:53:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-12 17:53:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:53:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:53:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:53:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:53:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-12 17:53:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-12 17:53:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:53:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:53:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:53:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:53:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:53:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:53:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 17:53:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-12 17:53:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-12 17:53:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-12 17:53:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:53:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:53:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:53:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:53:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:53:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:53:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:53:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:53:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:53:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:53:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:53:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:53:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:53:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:53:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:53:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:53:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:53:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:53:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:53:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:53:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:53:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:53:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:53:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:53:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:53:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:53:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:53:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:53:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:53:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:53:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:53:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:53:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:53:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:53:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:53:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:53:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:53:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 17:53:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-12 17:53:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:53:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:53:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:53:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:53:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:53:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:53:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:53:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-12 17:53:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-12 17:53:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:53:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:53:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 17:53:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-12 17:53:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-12 17:53:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-12 17:53:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:53:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:53:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:53:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:53:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:53:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:53:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:53:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:53:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:53:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:53:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:53:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:53:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:53:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:53:46,781 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:53:46,781 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:53:46,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:53:46 BoogieIcfgContainer [2020-10-12 17:53:46,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:53:46,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:53:46,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:53:46,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:53:46,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:53:44" (1/3) ... [2020-10-12 17:53:46,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a77c1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:53:46, skipping insertion in model container [2020-10-12 17:53:46,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:53:45" (2/3) ... [2020-10-12 17:53:46,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a77c1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:53:46, skipping insertion in model container [2020-10-12 17:53:46,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:53:46" (3/3) ... [2020-10-12 17:53:46,795 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2020-10-12 17:53:46,806 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:53:46,814 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:53:46,828 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:53:46,854 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:53:46,854 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:53:46,854 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:53:46,854 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:53:46,855 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:53:46,855 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:53:46,855 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:53:46,855 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:53:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-10-12 17:53:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 17:53:46,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:53:46,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:46,891 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:53:46,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:53:46,897 INFO L82 PathProgramCache]: Analyzing trace with hash -453171886, now seen corresponding path program 1 times [2020-10-12 17:53:46,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:53:46,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223470080] [2020-10-12 17:53:46,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:53:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:47,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:47,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:48,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:48,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:49,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:52,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:52,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 17:53:52,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:53:52,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 17:53:52,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:53:52,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:52,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 17:53:52,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-12 17:53:52,775 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:53:52,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:53:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:52,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:52,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:52,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:52,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:52,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-12 17:53:52,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:52,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:52,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:52,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:53:52,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:52,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:53:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:52,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:52,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:52,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:52,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:53:52,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:53:52,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:53:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:52,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:52,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:52,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:52,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:52,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:53:52,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:53:52,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:52,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:53:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:52,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:52,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:52,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:52,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:52,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:53:52,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:52,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:52,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:52,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:53:52,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:52,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:53:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:52,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:52,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:52,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:53:52,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:52,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:53:52,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:52,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:52,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:52,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:53:52,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:52,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:53:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:52,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:52,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:52,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:52,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:53:52,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:53:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:53:52,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:52,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:53:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:52,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:52,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:52,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:52,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:52,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:53:53,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:53:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:53:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:53:53,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:53,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:53:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:53,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:53,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:53:53,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:53:53,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:53:53,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:53:53,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:53:53,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:53:53,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:53:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:53:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:53:53,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:53:53,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223470080] [2020-10-12 17:53:53,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:53:53,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:53:53,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026277808] [2020-10-12 17:53:53,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:53:53,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:53:53,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:53:53,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:53:53,076 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 8 states. [2020-10-12 17:53:53,782 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:53:55,024 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:53:55,415 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:53:55,757 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:53:56,441 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:53:58,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:53:58,235 INFO L93 Difference]: Finished difference Result 506 states and 670 transitions. [2020-10-12 17:53:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 17:53:58,237 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-12 17:53:58,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:53:58,254 INFO L225 Difference]: With dead ends: 506 [2020-10-12 17:53:58,254 INFO L226 Difference]: Without dead ends: 328 [2020-10-12 17:53:58,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-12 17:53:58,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-12 17:53:58,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 269. [2020-10-12 17:53:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-12 17:53:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 324 transitions. [2020-10-12 17:53:58,407 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 324 transitions. Word has length 51 [2020-10-12 17:53:58,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:53:58,408 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 324 transitions. [2020-10-12 17:53:58,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:53:58,408 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 324 transitions. [2020-10-12 17:53:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-12 17:53:58,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:53:58,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:58,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:53:58,414 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:53:58,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:53:58,414 INFO L82 PathProgramCache]: Analyzing trace with hash 6293714, now seen corresponding path program 1 times [2020-10-12 17:53:58,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:53:58,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978879908] [2020-10-12 17:53:58,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:53:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:53:58,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:58,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:53:59,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:00,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:03,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:03,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:54:03,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:54:03,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-12 17:54:03,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:03,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:54:03,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 17:54:03,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:03,789 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:54:03,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:54:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:03,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:03,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:03,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:03,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 17:54:03,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:03,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:03,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:54:03,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:03,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:54:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:03,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:03,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:03,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:03,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:03,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:03,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:03,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:03,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:03,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:03,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:03,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:54:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:03,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:03,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:03,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:03,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:54:03,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:03,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:03,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:54:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:03,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:03,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:03,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:03,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:03,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:03,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:03,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:03,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:54:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:03,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:03,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:03,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:03,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:03,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:03,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:03,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:03,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:03,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:54:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:03,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:03,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:03,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:03,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:03,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:03,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:03,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:03,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:54:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:03,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:03,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:03,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:03,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:03,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:03,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:03,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:03,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:54:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:03,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:03,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:03,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:03,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:03,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:03,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:03,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:03,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:54:03,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 17:54:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:03,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:03,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:03,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:03,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:03,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:54:03,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:03,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:54:03,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:03,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:03,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:54:04,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978879908] [2020-10-12 17:54:04,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:54:04,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 17:54:04,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861672146] [2020-10-12 17:54:04,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:54:04,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:54:04,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:54:04,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:54:04,012 INFO L87 Difference]: Start difference. First operand 269 states and 324 transitions. Second operand 9 states. [2020-10-12 17:54:04,504 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:54:05,537 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:54:05,835 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:54:06,106 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:54:06,767 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:54:08,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:54:08,138 INFO L93 Difference]: Finished difference Result 734 states and 985 transitions. [2020-10-12 17:54:08,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 17:54:08,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-12 17:54:08,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:54:08,150 INFO L225 Difference]: With dead ends: 734 [2020-10-12 17:54:08,150 INFO L226 Difference]: Without dead ends: 493 [2020-10-12 17:54:08,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-12 17:54:08,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-10-12 17:54:08,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 410. [2020-10-12 17:54:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-10-12 17:54:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 499 transitions. [2020-10-12 17:54:08,269 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 499 transitions. Word has length 61 [2020-10-12 17:54:08,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:54:08,270 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 499 transitions. [2020-10-12 17:54:08,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:54:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 499 transitions. [2020-10-12 17:54:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 17:54:08,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:54:08,276 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:08,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:54:08,277 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:54:08,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:54:08,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1486847849, now seen corresponding path program 1 times [2020-10-12 17:54:08,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:54:08,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [111221510] [2020-10-12 17:54:08,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:54:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:08,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:08,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:08,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:08,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:08,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:09,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:12,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-12 17:54:13,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:54:13,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 17:54:13,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:54:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-12 17:54:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:13,672 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:54:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:54:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:13,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 17:54:13,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:54:13,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:54:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:13,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:13,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:13,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:54:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:13,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:13,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:13,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:54:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:13,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:13,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:13,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:54:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:13,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:13,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:13,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:54:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:13,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:13,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:13,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:54:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:13,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:13,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:13,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:54:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:54:13,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:54:13,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:54:13,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 17:54:13,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:54:13,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:54:13,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:54:13,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:54:13,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:13,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:13,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:13,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 17:54:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:54:13,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:54:13,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 17:54:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:54:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:54:13,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:54:13,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:54:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:13,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:13,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:13,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 17:54:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:54:13,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:54:13,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 17:54:13,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:54:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 17:54:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:54:13,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:54:13,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:54:13,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:54:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 17:54:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:54:13,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:13,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:13,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:13,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:13,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:54:13,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:13,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:54:13,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:13,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:54:13,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:54:13,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:54:13,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:14,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:14,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:14,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:14,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:54:14,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:14,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:54:14,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:54:14,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:14,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:54:14,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:14,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:14,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:14,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:14,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:54:14,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:14,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:14,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:14,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:14,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:54:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:14,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:14,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:14,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:14,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:14,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:14,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:54:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:14,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:14,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:14,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:14,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:14,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:14,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:54:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:14,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:14,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:14,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:14,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:14,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:14,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:14,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:54:14,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [111221510] [2020-10-12 17:54:14,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:54:14,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 17:54:14,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471933783] [2020-10-12 17:54:14,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:54:14,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:54:14,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:54:14,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:54:14,131 INFO L87 Difference]: Start difference. First operand 410 states and 499 transitions. Second operand 13 states. [2020-10-12 17:54:14,746 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:54:15,608 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:54:16,301 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:54:16,613 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:54:16,933 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:54:17,270 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:54:17,536 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:54:17,868 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:54:18,273 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:54:18,591 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 17:54:21,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:54:21,647 INFO L93 Difference]: Finished difference Result 1467 states and 2042 transitions. [2020-10-12 17:54:21,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 17:54:21,648 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-12 17:54:21,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:54:21,661 INFO L225 Difference]: With dead ends: 1467 [2020-10-12 17:54:21,662 INFO L226 Difference]: Without dead ends: 1085 [2020-10-12 17:54:21,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=329, Invalid=1153, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 17:54:21,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2020-10-12 17:54:21,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 813. [2020-10-12 17:54:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2020-10-12 17:54:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1006 transitions. [2020-10-12 17:54:21,860 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1006 transitions. Word has length 132 [2020-10-12 17:54:21,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:54:21,860 INFO L479 AbstractCegarLoop]: Abstraction has 813 states and 1006 transitions. [2020-10-12 17:54:21,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:54:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1006 transitions. [2020-10-12 17:54:21,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-12 17:54:21,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:54:21,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:21,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:54:21,865 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:54:21,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:54:21,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1413330797, now seen corresponding path program 1 times [2020-10-12 17:54:21,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:54:21,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757741979] [2020-10-12 17:54:21,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:54:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:21,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:22,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:22,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:22,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-12 17:54:22,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:54:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1071 [2020-10-12 17:54:22,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:22,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:54:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 17:54:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 17:54:22,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,226 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:54:23,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:54:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:23,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:54:23,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:23,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:23,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:54:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:23,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:23,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:54:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:23,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:23,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:23,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:23,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:23,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:54:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:23,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:23,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:23,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:54:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:23,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:23,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:23,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:54:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:23,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:23,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:54:23,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:54:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:23,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:23,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:23,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 17:54:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:54:23,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:54:23,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:54:23,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:54:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 17:54:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:23,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:54:23,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:54:23,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:54:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 17:54:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:54:23,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:54:23,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:54:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 17:54:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:23,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:23,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:54:23,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 17:54:23,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:54:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:54:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:54:23,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:23,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:54:23,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:23,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:23,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:23,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:54:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:23,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:23,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:23,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:23,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:23,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:23,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 17:54:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:23,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:54:23,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:23,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:23,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 17:54:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:23,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:23,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:23,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:23,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:23,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:23,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:23,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:23,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:23,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:23,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:54:23,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757741979] [2020-10-12 17:54:23,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:54:23,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 17:54:23,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425416829] [2020-10-12 17:54:23,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 17:54:23,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:54:23,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 17:54:23,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:54:23,562 INFO L87 Difference]: Start difference. First operand 813 states and 1006 transitions. Second operand 10 states. [2020-10-12 17:54:24,252 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:54:25,143 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:54:25,379 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:54:25,630 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:54:27,196 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:54:27,518 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:54:27,805 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:54:29,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:54:29,481 INFO L93 Difference]: Finished difference Result 2771 states and 3998 transitions. [2020-10-12 17:54:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 17:54:29,482 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-10-12 17:54:29,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:54:29,503 INFO L225 Difference]: With dead ends: 2771 [2020-10-12 17:54:29,504 INFO L226 Difference]: Without dead ends: 1986 [2020-10-12 17:54:29,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2020-10-12 17:54:29,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2020-10-12 17:54:29,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1512. [2020-10-12 17:54:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1512 states. [2020-10-12 17:54:29,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 1891 transitions. [2020-10-12 17:54:29,953 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 1891 transitions. Word has length 94 [2020-10-12 17:54:29,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:54:29,954 INFO L479 AbstractCegarLoop]: Abstraction has 1512 states and 1891 transitions. [2020-10-12 17:54:29,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 17:54:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1891 transitions. [2020-10-12 17:54:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-12 17:54:29,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:54:29,965 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:29,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:54:29,965 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:54:29,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:54:29,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1316727918, now seen corresponding path program 1 times [2020-10-12 17:54:29,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:54:29,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138788721] [2020-10-12 17:54:29,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:54:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:30,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:30,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:30,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:30,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:30,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-12 17:54:32,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:54:32,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2449 [2020-10-12 17:54:32,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:54:32,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:32,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-12 17:54:32,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,679 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:54:32,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:54:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:32,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 17:54:32,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:54:32,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:54:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:32,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:32,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:32,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:32,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:32,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:54:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:32,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:32,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:32,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:32,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:32,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:54:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:32,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:32,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:32,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:32,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:32,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:54:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:32,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:32,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:32,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:32,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:32,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:54:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:32,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:32,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:32,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:32,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:32,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:54:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:32,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:32,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:32,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:32,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:32,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:54:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:54:32,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:32,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:32,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:32,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:54:32,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:54:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 17:54:32,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 17:54:32,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:54:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:54:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 17:54:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:54:32,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:54:32,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:54:32,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:32,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 17:54:32,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:32,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:32,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:32,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:54:32,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:32,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:54:32,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:32,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:32,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:32,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:54:32,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:32,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:33,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:33,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:33,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:54:33,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:33,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:54:33,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:33,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:33,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 17:54:33,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:33,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:33,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:33,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:33,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:54:33,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:33,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:54:33,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:33,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:33,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:33,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:54:33,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:33,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:33,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:33,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:33,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:54:33,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:33,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:33,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:33,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:54:33,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:33,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:54:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:33,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:33,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:33,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:33,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:33,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:33,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:33,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:33,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 17:54:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:33,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:33,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:33,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:54:33,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:33,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:54:33,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:33,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 17:54:33,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:33,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:33,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:33,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:33,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:33,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:33,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:33,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:33,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:33,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:33,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:33,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:33,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:54:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:33,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:33,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:33,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:33,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:33,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:33,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:33,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:33,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:33,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:33,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:33,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:54:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:33,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:33,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:33,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:33,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:33,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:33,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:33,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:33,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:33,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:33,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:33,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 17:54:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:33,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:33,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:33,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:33,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:33,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:33,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:33,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:33,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:54:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:33,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:33,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:33,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:33,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:33,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:33,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:33,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:33,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:33,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:33,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:33,137 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 17:54:33,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138788721] [2020-10-12 17:54:33,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:54:33,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 17:54:33,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491898965] [2020-10-12 17:54:33,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:54:33,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:54:33,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:54:33,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:54:33,140 INFO L87 Difference]: Start difference. First operand 1512 states and 1891 transitions. Second operand 12 states. [2020-10-12 17:54:33,765 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:54:34,543 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-10-12 17:54:40,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:54:40,863 INFO L93 Difference]: Finished difference Result 5049 states and 7453 transitions. [2020-10-12 17:54:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 17:54:40,864 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 129 [2020-10-12 17:54:40,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:54:40,893 INFO L225 Difference]: With dead ends: 5049 [2020-10-12 17:54:40,894 INFO L226 Difference]: Without dead ends: 3546 [2020-10-12 17:54:40,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 53 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=494, Invalid=2158, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 17:54:40,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2020-10-12 17:54:41,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 2811. [2020-10-12 17:54:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2811 states. [2020-10-12 17:54:41,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 3702 transitions. [2020-10-12 17:54:41,522 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 3702 transitions. Word has length 129 [2020-10-12 17:54:41,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:54:41,522 INFO L479 AbstractCegarLoop]: Abstraction has 2811 states and 3702 transitions. [2020-10-12 17:54:41,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:54:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 3702 transitions. [2020-10-12 17:54:41,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 17:54:41,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:54:41,529 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:41,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:54:41,530 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:54:41,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:54:41,530 INFO L82 PathProgramCache]: Analyzing trace with hash -2089531417, now seen corresponding path program 1 times [2020-10-12 17:54:41,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:54:41,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276480102] [2020-10-12 17:54:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:54:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:41,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:41,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:41,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:41,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:41,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:42,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:43,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:44,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:46,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:46,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 17:54:46,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:54:46,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-12 17:54:46,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:46,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:54:46,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-12 17:54:46,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 17:54:46,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:46,970 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:54:46,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:54:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:46,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:54:47,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:54:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:47,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:47,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:54:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:47,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:47,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:47,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:54:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:47,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:54:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:47,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:47,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:54:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:47,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:54:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:47,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:54:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:47,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:54:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:54:47,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:47,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:54:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:54:47,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:54:47,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:54:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:54:47,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:54:47,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:54:47,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:54:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:54:47,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:47,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:54:47,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:54:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:47,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 17:54:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 17:54:47,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 17:54:47,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:54:47,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:54:47,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:54:47,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:54:47,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:54:47,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:54:47,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:54:47,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:54:47,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:54:47,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:54:47,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:47,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:54:47,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:47,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:54:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:47,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:47,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 17:54:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:54:47,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:54:47,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:54:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:54:47,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:54:47,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:54:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:54:47,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:54:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:47,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:47,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:47,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:47,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:54:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:47,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:47,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 17:54:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:47,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 17:54:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:47,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:47,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:47,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:47,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:47,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:47,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:47,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 17:54:47,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276480102] [2020-10-12 17:54:47,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:54:47,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 17:54:47,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187439823] [2020-10-12 17:54:47,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 17:54:47,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:54:47,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 17:54:47,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-10-12 17:54:47,698 INFO L87 Difference]: Start difference. First operand 2811 states and 3702 transitions. Second operand 16 states. [2020-10-12 17:54:48,351 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:54:49,204 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:54:49,903 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:54:50,483 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-10-12 17:54:50,985 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-10-12 17:54:51,299 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:54:51,833 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-10-12 17:54:52,384 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-10-12 17:54:57,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:54:57,770 INFO L93 Difference]: Finished difference Result 6179 states and 8907 transitions. [2020-10-12 17:54:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-12 17:54:57,770 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 152 [2020-10-12 17:54:57,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:54:57,803 INFO L225 Difference]: With dead ends: 6179 [2020-10-12 17:54:57,803 INFO L226 Difference]: Without dead ends: 3396 [2020-10-12 17:54:57,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 72 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=652, Invalid=2654, Unknown=0, NotChecked=0, Total=3306 [2020-10-12 17:54:57,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2020-10-12 17:54:58,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 2803. [2020-10-12 17:54:58,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2803 states. [2020-10-12 17:54:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 3652 transitions. [2020-10-12 17:54:58,423 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 3652 transitions. Word has length 152 [2020-10-12 17:54:58,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:54:58,423 INFO L479 AbstractCegarLoop]: Abstraction has 2803 states and 3652 transitions. [2020-10-12 17:54:58,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 17:54:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3652 transitions. [2020-10-12 17:54:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 17:54:58,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:54:58,429 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:58,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 17:54:58,430 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:54:58,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:54:58,430 INFO L82 PathProgramCache]: Analyzing trace with hash -419615948, now seen corresponding path program 1 times [2020-10-12 17:54:58,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:54:58,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348758023] [2020-10-12 17:54:58,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:54:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:58,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:58,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:58,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:58,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 17:54:59,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:54:59,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 921 [2020-10-12 17:54:59,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:59,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 17:54:59,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 17:54:59,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:54:59,624 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:54:59,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:54:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:54:59,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:54:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:59,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:59,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:54:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:59,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:59,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:54:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:59,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:54:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:54:59,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:59,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:54:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:59,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:54:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:59,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:54:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:59,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:54:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:54:59,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:59,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 17:54:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 17:54:59,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:54:59,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:59,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:54:59,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:54:59,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:54:59,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:59,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 17:54:59,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:54:59,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:59,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:54:59,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:59,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:54:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:54:59,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:59,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:54:59,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:59,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:54:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:59,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 17:54:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:54:59,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:54:59,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 17:54:59,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:54:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:59,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:54:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:54:59,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 17:54:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:54:59,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:54:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:54:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:54:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 17:54:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:54:59,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:59,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:54:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:54:59,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:54:59,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:54:59,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:54:59,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:54:59,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:54:59,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:54:59,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:54:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:54:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:54:59,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:54:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 17:54:59,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348758023] [2020-10-12 17:54:59,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:54:59,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 17:54:59,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177496158] [2020-10-12 17:54:59,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 17:54:59,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:54:59,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 17:54:59,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:54:59,905 INFO L87 Difference]: Start difference. First operand 2803 states and 3652 transitions. Second operand 10 states. [2020-10-12 17:55:00,350 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:55:03,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:55:03,685 INFO L93 Difference]: Finished difference Result 6578 states and 9083 transitions. [2020-10-12 17:55:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 17:55:03,685 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2020-10-12 17:55:03,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:55:03,713 INFO L225 Difference]: With dead ends: 6578 [2020-10-12 17:55:03,713 INFO L226 Difference]: Without dead ends: 3803 [2020-10-12 17:55:03,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=362, Invalid=1198, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 17:55:03,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2020-10-12 17:55:04,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3095. [2020-10-12 17:55:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3095 states. [2020-10-12 17:55:04,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 3994 transitions. [2020-10-12 17:55:04,365 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 3994 transitions. Word has length 133 [2020-10-12 17:55:04,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:55:04,366 INFO L479 AbstractCegarLoop]: Abstraction has 3095 states and 3994 transitions. [2020-10-12 17:55:04,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 17:55:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 3994 transitions. [2020-10-12 17:55:04,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 17:55:04,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:55:04,376 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:55:04,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 17:55:04,377 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:55:04,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:55:04,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1115432797, now seen corresponding path program 1 times [2020-10-12 17:55:04,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:55:04,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256944356] [2020-10-12 17:55:04,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:55:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:04,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:04,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:04,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:04,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:05,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:05,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:05,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:06,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:07,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:07,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-12 17:55:07,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:55:07,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3303 [2020-10-12 17:55:07,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:07,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:55:07,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-12 17:55:07,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 17:55:07,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:08,045 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:55:08,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:55:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 17:55:08,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:55:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:08,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:08,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:55:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:08,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:08,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:08,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:55:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:08,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:08,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:55:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:08,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:08,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:55:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:08,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:08,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:55:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:08,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:08,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:55:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:08,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:55:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 17:55:08,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:55:08,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 17:55:08,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:08,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 17:55:08,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:55:08,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:55:08,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:55:08,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:55:08,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:55:08,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:55:08,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:55:08,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:08,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:55:08,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:08,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:55:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:08,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:08,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 17:55:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:55:08,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:55:08,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:55:08,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:08,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:55:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:08,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:55:08,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:55:08,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 17:55:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:55:08,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:55:08,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-12 17:55:08,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:55:08,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:55:08,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 17:55:08,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:55:08,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:55:08,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 17:55:08,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:55:08,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:55:08,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:55:08,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:08,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:55:08,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:55:08,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:55:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 17:55:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:55:08,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:55:08,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:08,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:55:08,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:55:08,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:08,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:55:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:08,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:08,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:08,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:55:08,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 17:55:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:08,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:55:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:08,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 17:55:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:08,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:08,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:08,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:08,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:08,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:08,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:08,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:08,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:55:08,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:08,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:08,705 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-12 17:55:08,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256944356] [2020-10-12 17:55:08,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:55:08,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 17:55:08,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492771100] [2020-10-12 17:55:08,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:55:08,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:55:08,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:55:08,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:55:08,708 INFO L87 Difference]: Start difference. First operand 3095 states and 3994 transitions. Second operand 13 states. [2020-10-12 17:55:09,900 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:55:10,756 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:55:11,065 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:55:11,311 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:55:12,210 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:55:12,765 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:55:13,024 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:55:13,273 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:55:14,531 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:55:14,805 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:55:15,054 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:55:17,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:55:17,195 INFO L93 Difference]: Finished difference Result 6026 states and 8255 transitions. [2020-10-12 17:55:17,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 17:55:17,196 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 162 [2020-10-12 17:55:17,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:55:17,216 INFO L225 Difference]: With dead ends: 6026 [2020-10-12 17:55:17,217 INFO L226 Difference]: Without dead ends: 3315 [2020-10-12 17:55:17,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=566, Invalid=2190, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 17:55:17,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3315 states. [2020-10-12 17:55:17,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3315 to 2671. [2020-10-12 17:55:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2671 states. [2020-10-12 17:55:17,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 3092 transitions. [2020-10-12 17:55:17,849 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 3092 transitions. Word has length 162 [2020-10-12 17:55:17,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:55:17,851 INFO L479 AbstractCegarLoop]: Abstraction has 2671 states and 3092 transitions. [2020-10-12 17:55:17,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:55:17,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3092 transitions. [2020-10-12 17:55:17,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-12 17:55:17,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:55:17,861 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:17,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 17:55:17,861 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:55:17,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:55:17,861 INFO L82 PathProgramCache]: Analyzing trace with hash 177222806, now seen corresponding path program 1 times [2020-10-12 17:55:17,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:55:17,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150290350] [2020-10-12 17:55:17,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:55:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:17,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:17,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:18,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:18,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:22,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:22,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-12 17:55:22,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:55:22,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:55:22,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 17:55:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:55:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 17:55:22,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,196 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:55:23,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:55:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 17:55:23,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:55:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:55:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:23,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:23,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:23,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:55:23,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:55:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:23,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:23,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:55:23,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:55:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:23,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:23,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:55:23,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:55:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:23,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:23,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:23,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:55:23,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:55:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:23,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:23,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:55:23,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:55:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:23,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:55:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:55:23,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:55:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:23,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:55:23,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:23,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:55:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 17:55:23,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:55:23,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 17:55:23,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:55:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:55:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 17:55:23,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:55:23,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:55:23,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 17:55:23,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:55:23,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:55:23,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:55:23,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:23,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:55:23,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:23,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:55:23,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:23,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:55:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:23,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 17:55:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:55:23,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:55:23,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 17:55:23,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:23,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:55:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:23,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 17:55:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:55:23,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:23,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:55:23,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:55:23,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 17:55:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 17:55:23,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 17:55:23,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 17:55:23,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:55:23,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:55:23,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:23,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:23,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 17:55:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:55:23,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:55:23,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:55:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:55:23,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:55:23,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:23,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:55:23,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:55:23,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:55:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:55:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 17:55:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:55:23,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:23,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:55:23,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:23,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:23,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:23,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 17:55:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:23,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:55:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 17:55:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:23,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:23,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:23,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:23,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:23,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:23,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:23,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:55:23,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:23,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 17:55:23,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150290350] [2020-10-12 17:55:23,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:55:23,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 17:55:23,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817523921] [2020-10-12 17:55:23,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 17:55:23,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:55:23,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 17:55:23,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:55:23,800 INFO L87 Difference]: Start difference. First operand 2671 states and 3092 transitions. Second operand 17 states. [2020-10-12 17:55:24,284 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:55:25,038 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:55:27,744 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:55:28,539 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-10-12 17:55:29,049 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-10-12 17:55:29,531 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-10-12 17:55:31,640 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 17:55:31,930 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 17:55:32,184 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:55:32,519 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:55:35,045 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 17:55:35,344 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 17:55:38,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:55:38,680 INFO L93 Difference]: Finished difference Result 10002 states and 13483 transitions. [2020-10-12 17:55:38,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-10-12 17:55:38,681 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 175 [2020-10-12 17:55:38,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:55:38,722 INFO L225 Difference]: With dead ends: 10002 [2020-10-12 17:55:38,722 INFO L226 Difference]: Without dead ends: 7604 [2020-10-12 17:55:38,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2114 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1062, Invalid=5258, Unknown=0, NotChecked=0, Total=6320 [2020-10-12 17:55:38,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7604 states. [2020-10-12 17:55:39,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7604 to 5541. [2020-10-12 17:55:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5541 states. [2020-10-12 17:55:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5541 states to 5541 states and 6512 transitions. [2020-10-12 17:55:39,568 INFO L78 Accepts]: Start accepts. Automaton has 5541 states and 6512 transitions. Word has length 175 [2020-10-12 17:55:39,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:55:39,569 INFO L479 AbstractCegarLoop]: Abstraction has 5541 states and 6512 transitions. [2020-10-12 17:55:39,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 17:55:39,569 INFO L276 IsEmpty]: Start isEmpty. Operand 5541 states and 6512 transitions. [2020-10-12 17:55:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-12 17:55:39,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:55:39,577 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:39,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 17:55:39,577 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:55:39,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:55:39,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1169907588, now seen corresponding path program 1 times [2020-10-12 17:55:39,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:55:39,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738411961] [2020-10-12 17:55:39,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:55:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:39,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:39,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:39,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:39,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:40,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:42,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-12 17:55:44,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:55:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 17:55:44,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:55:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 17:55:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 17:55:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,858 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:55:44,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:55:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:44,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:55:44,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:55:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:44,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:44,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:55:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:44,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:44,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:55:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:44,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:44,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:55:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:44,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:44,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:55:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:44,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:44,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:55:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:44,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:44,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:55:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:44,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:44,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:55:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 17:55:44,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:55:44,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 17:55:44,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:55:44,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:44,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:55:44,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:44,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:44,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:44,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:44,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:44,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:55:44,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:44,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:55:45,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:45,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:45,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:55:45,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:45,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:45,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:45,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:55:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:45,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:45,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:45,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 17:55:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:55:45,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:55:45,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:55:45,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:45,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:45,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:55:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:55:45,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:55:45,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:55:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:45,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:45,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:45,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:55:45,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:55:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:45,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:45,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:45,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:55:45,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 17:55:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 17:55:45,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:55:45,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 17:55:45,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:55:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:55:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 17:55:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:55:45,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:55:45,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:55:45,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:45,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:45,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:55:45,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:55:45,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 17:55:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 17:55:45,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:55:45,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:55:45,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:55:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 17:55:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:55:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:55:45,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:55:45,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:55:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:55:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:45,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:45,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:45,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:45,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 17:55:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:55:45,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:45,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:55:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:45,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:45,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:45,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:45,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:45,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 17:55:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:45,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:45,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:55:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:45,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 17:55:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:45,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:45,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:45,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:45,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:45,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:45,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:55:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:55:45,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738411961] [2020-10-12 17:55:45,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:55:45,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 17:55:45,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684589896] [2020-10-12 17:55:45,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 17:55:45,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:55:45,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 17:55:45,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2020-10-12 17:55:45,526 INFO L87 Difference]: Start difference. First operand 5541 states and 6512 transitions. Second operand 21 states. [2020-10-12 17:55:46,172 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:55:47,232 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:55:48,061 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:55:48,649 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-10-12 17:55:49,142 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-10-12 17:55:49,498 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:55:52,430 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:55:52,713 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:55:53,026 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:55:53,290 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:55:53,571 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:55:53,855 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:55:54,158 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:55:54,440 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:55:54,951 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:55:55,279 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 17:55:55,558 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:55:55,814 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:55:57,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:55:57,133 INFO L93 Difference]: Finished difference Result 7764 states and 9308 transitions. [2020-10-12 17:55:57,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-12 17:55:57,134 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 170 [2020-10-12 17:55:57,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:55:57,146 INFO L225 Difference]: With dead ends: 7764 [2020-10-12 17:55:57,146 INFO L226 Difference]: Without dead ends: 2496 [2020-10-12 17:55:57,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=708, Invalid=3452, Unknown=0, NotChecked=0, Total=4160 [2020-10-12 17:55:57,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-12 17:55:57,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1940. [2020-10-12 17:55:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1940 states. [2020-10-12 17:55:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1940 states and 2180 transitions. [2020-10-12 17:55:57,453 INFO L78 Accepts]: Start accepts. Automaton has 1940 states and 2180 transitions. Word has length 170 [2020-10-12 17:55:57,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:55:57,453 INFO L479 AbstractCegarLoop]: Abstraction has 1940 states and 2180 transitions. [2020-10-12 17:55:57,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 17:55:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2180 transitions. [2020-10-12 17:55:57,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 17:55:57,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:55:57,459 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:57,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 17:55:57,459 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:55:57,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:55:57,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1460495039, now seen corresponding path program 1 times [2020-10-12 17:55:57,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:55:57,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191963214] [2020-10-12 17:55:57,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:55:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-12 17:55:57,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-12 17:55:57,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:57,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-10-12 17:55:57,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:55:57,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,833 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:55:57,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:55:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:57,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:55:57,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:55:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:57,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:55:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:57,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:55:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:57,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:55:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:55:57,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:55:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:57,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:55:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:57,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:55:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:57,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:55:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 17:55:57,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:55:57,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:55:57,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:57,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:55:57,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:57,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:55:57,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:57,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:55:57,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:57,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:55:57,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:55:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:57,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 17:55:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:55:57,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:57,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:57,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:55:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:57,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:55:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:55:57,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:57,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:55:57,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:55:57,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:57,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:57,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:57,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:57,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:57,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:57,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:57,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:55:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:57,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:58,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:58,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 17:55:58,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:58,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:55:58,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:58,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:58,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 17:55:58,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:58,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:58,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:58,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:58,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:58,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:55:58,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:58,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:58,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:58,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:58,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:58,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:55:58,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:58,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:58,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:58,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:55:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:58,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:58,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:58,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:55:58,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:58,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:55:58,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:58,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:58,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:58,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:58,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:58,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:55:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:58,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:58,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:58,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:55:58,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:58,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:58,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:58,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:58,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:58,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:55:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:58,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:58,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:58,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:58,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:58,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:58,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:58,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:55:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:58,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:58,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 17:55:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:58,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:58,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:58,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:58,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:58,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:58,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:55:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:58,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:58,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 17:55:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:55:58,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:55:58,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:55:58,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:55:58,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:55:58,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:55:58,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:55:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:55:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:55:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:55:58,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:55:58,045 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-12 17:55:58,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191963214] [2020-10-12 17:55:58,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:55:58,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 17:55:58,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133811269] [2020-10-12 17:55:58,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 17:55:58,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:55:58,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 17:55:58,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:55:58,047 INFO L87 Difference]: Start difference. First operand 1940 states and 2180 transitions. Second operand 10 states. [2020-10-12 17:55:58,929 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:56:01,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:56:01,339 INFO L93 Difference]: Finished difference Result 3432 states and 4091 transitions. [2020-10-12 17:56:01,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 17:56:01,339 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-10-12 17:56:01,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:56:01,340 INFO L225 Difference]: With dead ends: 3432 [2020-10-12 17:56:01,341 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 17:56:01,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=354, Invalid=1128, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 17:56:01,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 17:56:01,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 17:56:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 17:56:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 17:56:01,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2020-10-12 17:56:01,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:56:01,349 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 17:56:01,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 17:56:01,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 17:56:01,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 17:56:01,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 17:56:01,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 17:56:05,342 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 721 DAG size of output: 538 [2020-10-12 17:56:06,163 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 268 [2020-10-12 17:56:06,275 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 267 [2020-10-12 17:56:06,447 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 267 [2020-10-12 17:56:06,556 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2020-10-12 17:56:06,720 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 255 [2020-10-12 17:56:07,203 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 267 [2020-10-12 17:56:07,917 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 271 [2020-10-12 17:56:08,029 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 254 [2020-10-12 17:56:08,157 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 271 [2020-10-12 17:56:08,267 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 254 [2020-10-12 17:56:09,490 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-10-12 17:56:09,810 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:10,200 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:10,531 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:10,721 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:10,999 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:11,256 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-10-12 17:56:11,416 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:11,566 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:11,743 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-10-12 17:56:11,958 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:12,067 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2020-10-12 17:56:12,227 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:12,378 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-10-12 17:56:12,614 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-10-12 17:56:12,725 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2020-10-12 17:56:12,888 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-10-12 17:56:13,039 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:13,190 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:18,416 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 219 [2020-10-12 17:56:19,891 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-10-12 17:56:20,595 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 219 [2020-10-12 17:56:23,898 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 562 DAG size of output: 430 [2020-10-12 17:56:24,903 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 268 [2020-10-12 17:56:25,016 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 267 [2020-10-12 17:56:25,296 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 267 [2020-10-12 17:56:25,556 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2020-10-12 17:56:25,857 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 255 [2020-10-12 17:56:26,350 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 267 [2020-10-12 17:56:27,103 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 271 [2020-10-12 17:56:27,218 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 254 [2020-10-12 17:56:27,332 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 271 [2020-10-12 17:56:27,440 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 254 [2020-10-12 17:56:29,382 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 430 [2020-10-12 17:56:30,835 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 585 DAG size of output: 428 [2020-10-12 17:56:32,984 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 582 DAG size of output: 468 [2020-10-12 17:56:37,526 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 537 DAG size of output: 460 [2020-10-12 17:56:38,179 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-10-12 17:56:38,331 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:38,647 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-10-12 17:56:39,115 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:39,301 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:39,771 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:39,924 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:40,080 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:40,583 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-10-12 17:56:40,794 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:40,926 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-10-12 17:56:41,081 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:41,235 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:41,392 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:41,621 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-10-12 17:56:41,771 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-10-12 17:56:41,939 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-10-12 17:56:43,744 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 182 DAG size of output: 25 [2020-10-12 17:56:43,930 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-12 17:56:44,145 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-10-12 17:56:47,991 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 463 DAG size of output: 37 [2020-10-12 17:56:48,181 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-12 17:56:49,622 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 173 DAG size of output: 27 [2020-10-12 17:56:53,375 WARN L193 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 346 DAG size of output: 63 [2020-10-12 17:56:54,370 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 29 [2020-10-12 17:56:55,033 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 20 [2020-10-12 17:56:55,844 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 28 [2020-10-12 17:56:56,187 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 28 [2020-10-12 17:56:56,427 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 23 [2020-10-12 17:56:58,635 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 338 DAG size of output: 33 [2020-10-12 17:56:59,032 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 17 [2020-10-12 17:56:59,251 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:56:59,469 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-10-12 17:57:01,147 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 246 DAG size of output: 41 [2020-10-12 17:57:01,362 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-10-12 17:57:05,323 WARN L193 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 266 DAG size of output: 59 [2020-10-12 17:57:05,478 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-10-12 17:57:06,834 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 200 DAG size of output: 34 [2020-10-12 17:57:07,820 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 35 [2020-10-12 17:57:09,421 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 203 DAG size of output: 38 [2020-10-12 17:57:10,006 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 18 [2020-10-12 17:57:12,469 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 356 DAG size of output: 43