/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=NARROWEST --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_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:36:50,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:36:50,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:36:50,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:36:50,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:36:50,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:36:50,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:36:50,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:36:50,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:36:50,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:36:50,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:36:50,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:36:50,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:36:50,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:36:50,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:36:50,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:36:50,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:36:50,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:36:50,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:36:50,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:36:50,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:36:50,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:36:50,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:36:50,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:36:50,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:36:50,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:36:50,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:36:50,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:36:50,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:36:50,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:36:50,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:36:50,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:36:50,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:36:50,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:36:50,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:36:50,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:36:50,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:36:50,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:36:50,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:36:50,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:36:50,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:36:50,799 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 [2020-10-13 12:36:50,843 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:36:50,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:36:50,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:36:50,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:36:50,847 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:36:50,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:36:50,847 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:36:50,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:36:50,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:36:50,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:36:50,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:36:50,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:36:50,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:36:50,850 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:36:50,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:36:50,851 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:36:50,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:36:50,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:36:50,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:36:50,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:36:50,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:36:50,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:36:50,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:36:50,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:36:50,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:36:50,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:36:50,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:36:50,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:36:50,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:36:50,853 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:36:51,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:36:51,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:36:51,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:36:51,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:36:51,150 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:36:51,151 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-10-13 12:36:51,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b6f3c8fb/f3818acfb4ab47628c9d90ac6378732d/FLAGeba2e0376 [2020-10-13 12:36:51,735 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:36:51,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-10-13 12:36:51,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b6f3c8fb/f3818acfb4ab47628c9d90ac6378732d/FLAGeba2e0376 [2020-10-13 12:36:52,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b6f3c8fb/f3818acfb4ab47628c9d90ac6378732d [2020-10-13 12:36:52,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:36:52,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:36:52,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:36:52,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:36:52,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:36:52,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:36:52" (1/1) ... [2020-10-13 12:36:52,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3798bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52, skipping insertion in model container [2020-10-13 12:36:52,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:36:52" (1/1) ... [2020-10-13 12:36:52,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:36:52,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:36:52,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:36:52,648 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:36:52,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:36:52,759 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:36:52,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52 WrapperNode [2020-10-13 12:36:52,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:36:52,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:36:52,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:36:52,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:36:52,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52" (1/1) ... [2020-10-13 12:36:52,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52" (1/1) ... [2020-10-13 12:36:52,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52" (1/1) ... [2020-10-13 12:36:52,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52" (1/1) ... [2020-10-13 12:36:52,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52" (1/1) ... [2020-10-13 12:36:52,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52" (1/1) ... [2020-10-13 12:36:52,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52" (1/1) ... [2020-10-13 12:36:52,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:36:52,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:36:52,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:36:52,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:36:52,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52" (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 [2020-10-13 12:36:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:36:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:36:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:36:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:36:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:36:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:36:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:36:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:36:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:36:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:36:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:36:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:36:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:36:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:36:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:36:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 12:36:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 12:36:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:36:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:36:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:36:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:36:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:36:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:36:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:36:52,920 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:36:52,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:36:52,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:36:52,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:36:52,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:36:52,920 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:36:52,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:36:52,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:36:52,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:36:52,921 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:36:52,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:36:52,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:36:52,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:36:52,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:36:52,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:36:52,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:36:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:36:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:36:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:36:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:36:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:36:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:36:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:36:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:36:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:36:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:36:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:36:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:36:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:36:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:36:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:36:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:36:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 12:36:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:36:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:36:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:36:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:36:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:36:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:36:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:36:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:36:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 12:36:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:36:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:36:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:36:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:36:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:36:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:36:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:36:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:36:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:36:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:36:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:36:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:36:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:36:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:36:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:36:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:36:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:36:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:36:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:36:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:36:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:36:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:36:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:36:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:36:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:36:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:36:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:36:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:36:53,944 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:36:53,944 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:36:53,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:36:53 BoogieIcfgContainer [2020-10-13 12:36:53,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:36:53,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:36:53,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:36:53,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:36:53,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:36:52" (1/3) ... [2020-10-13 12:36:53,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3950dc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:36:53, skipping insertion in model container [2020-10-13 12:36:53,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:52" (2/3) ... [2020-10-13 12:36:53,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3950dc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:36:53, skipping insertion in model container [2020-10-13 12:36:53,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:36:53" (3/3) ... [2020-10-13 12:36:53,964 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-10-13 12:36:53,974 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:36:53,983 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:36:53,996 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:36:54,020 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:36:54,021 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:36:54,021 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:36:54,021 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:36:54,021 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:36:54,022 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:36:54,022 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:36:54,022 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:36:54,044 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-10-13 12:36:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:36:54,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:36:54,056 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] [2020-10-13 12:36:54,057 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:36:54,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:36:54,063 INFO L82 PathProgramCache]: Analyzing trace with hash 652232891, now seen corresponding path program 1 times [2020-10-13 12:36:54,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:36:54,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625442607] [2020-10-13 12:36:54,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:36:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:54,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:54,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:55,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:55,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:56,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:59,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:59,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 12:36:59,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:36:59,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 12:36:59,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:36:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:36:59,844 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:36:59,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:36:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:59,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:59,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:59,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:59,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:59,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 12:36:59,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:59,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:59,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:36:59,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:36:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:59,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:59,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:59,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:36:59,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:59,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:59,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:59,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:36:59,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:36:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:59,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:59,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:59,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:36:59,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:59,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:59,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:59,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:59,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:59,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:59,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:36:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:59,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:59,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:59,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:59,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:59,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:59,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:59,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:36:59,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:36:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:59,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:59,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:59,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:36:59,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:59,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:59,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:59,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:59,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:36:59,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:36:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:59,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:59,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:59,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:59,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:59,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:59,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:59,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:59,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:36:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:59,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:59,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:59,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:59,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:59,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:59,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:36:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:59,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:36:59,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 12:36:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:59,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:59,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:59,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:59,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:59,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:36:59,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:36:59,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:59,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:37:00,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625442607] [2020-10-13 12:37:00,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:37:00,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:37:00,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243817186] [2020-10-13 12:37:00,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:37:00,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:37:00,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:37:00,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:37:00,050 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-10-13 12:37:01,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:37:01,926 INFO L93 Difference]: Finished difference Result 301 states and 396 transitions. [2020-10-13 12:37:01,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:37:01,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-13 12:37:01,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:37:01,951 INFO L225 Difference]: With dead ends: 301 [2020-10-13 12:37:01,953 INFO L226 Difference]: Without dead ends: 168 [2020-10-13 12:37:01,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:37:01,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-10-13 12:37:02,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 134. [2020-10-13 12:37:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-13 12:37:02,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-10-13 12:37:02,062 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-10-13 12:37:02,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:37:02,063 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-10-13 12:37:02,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:37:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-10-13 12:37:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:37:02,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:37:02,071 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] [2020-10-13 12:37:02,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:37:02,072 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:37:02,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:37:02,072 INFO L82 PathProgramCache]: Analyzing trace with hash -564528421, now seen corresponding path program 1 times [2020-10-13 12:37:02,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:37:02,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779139405] [2020-10-13 12:37:02,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:37:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:02,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:02,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:02,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:03,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:03,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:05,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:07,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:07,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 12:37:07,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:37:07,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 12:37:07,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:37:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:37:07,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:07,409 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:37:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:37:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:07,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:07,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:07,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:07,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:07,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 12:37:07,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:07,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:07,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:07,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:07,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:07,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:37:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:07,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:07,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:07,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:07,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:07,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:07,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:07,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:07,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:07,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:07,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:07,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:37:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:07,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:07,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:07,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:07,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:07,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:07,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:07,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:07,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:07,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:07,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:07,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:37:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:07,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:07,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:07,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:07,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:07,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:37:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:07,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:07,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:07,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:07,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:07,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:07,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:07,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:07,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:07,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:07,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:37:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:07,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:07,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:07,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:07,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:07,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:07,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:07,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:07,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:07,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:07,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:07,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:37:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:07,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:07,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:07,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:07,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:07,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:07,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:37:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:07,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:07,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:07,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:07,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:07,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:07,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:07,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:07,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:07,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:07,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:37:07,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779139405] [2020-10-13 12:37:07,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:37:07,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:37:07,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341236726] [2020-10-13 12:37:07,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:37:07,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:37:07,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:37:07,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:37:07,525 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 5 states. [2020-10-13 12:37:08,058 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:37:09,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:37:09,005 INFO L93 Difference]: Finished difference Result 240 states and 299 transitions. [2020-10-13 12:37:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:37:09,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-13 12:37:09,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:37:09,009 INFO L225 Difference]: With dead ends: 240 [2020-10-13 12:37:09,009 INFO L226 Difference]: Without dead ends: 158 [2020-10-13 12:37:09,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:37:09,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-13 12:37:09,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 125. [2020-10-13 12:37:09,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-13 12:37:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-10-13 12:37:09,055 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-10-13 12:37:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:37:09,055 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-10-13 12:37:09,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:37:09,055 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-10-13 12:37:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-13 12:37:09,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:37:09,058 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] [2020-10-13 12:37:09,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:37:09,058 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:37:09,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:37:09,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1211879035, now seen corresponding path program 1 times [2020-10-13 12:37:09,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:37:09,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836280132] [2020-10-13 12:37:09,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:37:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:09,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:09,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:09,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:09,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:11,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:14,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:14,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 12:37:14,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:37:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 12:37:14,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:37:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-13 12:37:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:37:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:14,407 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:37:14,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:37:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:14,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:14,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:14,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:14,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:14,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 12:37:14,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:14,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:14,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:14,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:14,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:14,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:37:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:14,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:14,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:14,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:14,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:14,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:14,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:14,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:14,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:37:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:14,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:14,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:14,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:14,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:14,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:14,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:14,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:14,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:14,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:14,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:14,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:37:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:14,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:14,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:14,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:14,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:14,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:14,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:14,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:14,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:14,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:14,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:14,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:37:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:14,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:14,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:14,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:14,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:14,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:14,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:14,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:14,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:14,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:37:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:14,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:14,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:14,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:14,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:14,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:14,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:14,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:14,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:14,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:14,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 12:37:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:14,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:14,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:14,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:14,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:14,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:37:14,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:14,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:14,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:14,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:14,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:14,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:37:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:14,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:14,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:14,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:14,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:14,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:37:14,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:14,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:37:14,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:14,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:14,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:37:14,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836280132] [2020-10-13 12:37:14,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:37:14,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:37:14,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061566267] [2020-10-13 12:37:14,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:37:14,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:37:14,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:37:14,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:37:14,582 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 8 states. [2020-10-13 12:37:14,957 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:37:16,118 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-10-13 12:37:16,402 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:37:16,647 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:37:17,213 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 12:37:18,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:37:18,191 INFO L93 Difference]: Finished difference Result 324 states and 434 transitions. [2020-10-13 12:37:18,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 12:37:18,194 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-13 12:37:18,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:37:18,199 INFO L225 Difference]: With dead ends: 324 [2020-10-13 12:37:18,199 INFO L226 Difference]: Without dead ends: 227 [2020-10-13 12:37:18,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-13 12:37:18,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-13 12:37:18,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 190. [2020-10-13 12:37:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-13 12:37:18,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 227 transitions. [2020-10-13 12:37:18,256 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 227 transitions. Word has length 56 [2020-10-13 12:37:18,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:37:18,256 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 227 transitions. [2020-10-13 12:37:18,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:37:18,256 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 227 transitions. [2020-10-13 12:37:18,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 12:37:18,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:37:18,260 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] [2020-10-13 12:37:18,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:37:18,260 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:37:18,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:37:18,260 INFO L82 PathProgramCache]: Analyzing trace with hash 138966558, now seen corresponding path program 1 times [2020-10-13 12:37:18,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:37:18,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [242208151] [2020-10-13 12:37:18,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:37:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:18,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:18,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:18,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:18,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 12:37:23,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:37:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 12:37:23,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:37:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 12:37:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:23,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,561 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:37:23,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:37:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:23,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:37:23,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:23,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:23,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:23,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:37:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:23,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:23,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:23,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:23,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:37:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:23,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:23,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:23,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:37:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:23,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:23,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:23,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:23,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:23,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:37:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:23,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:23,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:23,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:37:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:23,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:23,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:23,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:37:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:37:23,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:37:23,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 12:37:23,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:37:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:37:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:23,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:37:23,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:37:23,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 12:37:23,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:37:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:37:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:23,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:37:23,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:37:23,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:37:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:37:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:37:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:37:23,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:37:23,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:37:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:37:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:23,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:23,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:23,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:23,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:23,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 12:37:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:23,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:23,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:23,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:23,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:37:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:23,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:23,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:23,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:23,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:23,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:23,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:37:23,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [242208151] [2020-10-13 12:37:23,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:37:23,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:37:23,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523709162] [2020-10-13 12:37:23,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:37:23,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:37:23,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:37:23,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:37:23,862 INFO L87 Difference]: Start difference. First operand 190 states and 227 transitions. Second operand 8 states. [2020-10-13 12:37:24,820 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:37:25,120 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:37:25,374 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:37:26,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:37:26,054 INFO L93 Difference]: Finished difference Result 409 states and 544 transitions. [2020-10-13 12:37:26,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:37:26,057 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-13 12:37:26,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:37:26,060 INFO L225 Difference]: With dead ends: 409 [2020-10-13 12:37:26,061 INFO L226 Difference]: Without dead ends: 247 [2020-10-13 12:37:26,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:37:26,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-13 12:37:26,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 195. [2020-10-13 12:37:26,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-13 12:37:26,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 232 transitions. [2020-10-13 12:37:26,107 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 232 transitions. Word has length 84 [2020-10-13 12:37:26,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:37:26,107 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 232 transitions. [2020-10-13 12:37:26,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:37:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 232 transitions. [2020-10-13 12:37:26,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 12:37:26,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:37:26,109 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] [2020-10-13 12:37:26,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:37:26,110 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:37:26,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:37:26,110 INFO L82 PathProgramCache]: Analyzing trace with hash 840566432, now seen corresponding path program 1 times [2020-10-13 12:37:26,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:37:26,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942698371] [2020-10-13 12:37:26,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:37:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:26,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:26,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:27,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 12:37:29,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:37:29,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3075 [2020-10-13 12:37:29,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:37:29,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 12:37:29,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,436 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:37:29,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:37:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:29,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 12:37:29,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:37:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:37:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:29,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:29,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:37:29,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:37:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:29,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:29,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:29,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:37:29,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:37:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:29,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:29,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:29,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:29,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:37:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:29,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:29,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:29,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:37:29,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:37:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:29,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:29,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:29,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:29,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:37:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:37:29,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:37:29,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:37:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 12:37:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:37:29,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:37:29,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:29,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:37:29,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:37:29,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:37:29,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:37:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:37:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:37:29,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:29,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:29,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:37:29,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:37:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:29,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:29,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:29,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:29,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:29,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 12:37:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:29,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:29,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:29,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:37:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:29,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:29,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:29,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:29,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:29,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:29,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:29,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:29,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:29,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:37:29,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942698371] [2020-10-13 12:37:29,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:37:29,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:37:29,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079627705] [2020-10-13 12:37:29,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:37:29,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:37:29,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:37:29,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:37:29,633 INFO L87 Difference]: Start difference. First operand 195 states and 232 transitions. Second operand 8 states. [2020-10-13 12:37:29,980 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:37:30,549 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:37:32,132 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:37:33,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:37:33,960 INFO L93 Difference]: Finished difference Result 818 states and 1133 transitions. [2020-10-13 12:37:33,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 12:37:33,961 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-13 12:37:33,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:37:33,967 INFO L225 Difference]: With dead ends: 818 [2020-10-13 12:37:33,968 INFO L226 Difference]: Without dead ends: 651 [2020-10-13 12:37:33,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-10-13 12:37:33,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-10-13 12:37:34,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 586. [2020-10-13 12:37:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 12:37:34,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 743 transitions. [2020-10-13 12:37:34,100 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 743 transitions. Word has length 84 [2020-10-13 12:37:34,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:37:34,100 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 743 transitions. [2020-10-13 12:37:34,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:37:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 743 transitions. [2020-10-13 12:37:34,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 12:37:34,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:37:34,103 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] [2020-10-13 12:37:34,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:37:34,103 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:37:34,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:37:34,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1586514339, now seen corresponding path program 1 times [2020-10-13 12:37:34,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:37:34,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557620350] [2020-10-13 12:37:34,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:37:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:34,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:34,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:35,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 12:37:39,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:37:39,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 12:37:39,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:37:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 12:37:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:37:39,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:39,439 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:37:39,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:37:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:39,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 12:37:39,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:39,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:39,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:37:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:39,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:39,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:39,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:37:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:39,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:39,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:39,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:39,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:37:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:39,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:39,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:39,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:39,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:37:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:39,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:39,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:39,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:39,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:37:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:39,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:39,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:39,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:37:39,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:37:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:37:39,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:37:39,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:37:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:37:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:37:39,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:39,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:37:39,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:37:39,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:37:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:37:39,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:37:39,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:39,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:37:39,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:37:39,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:37:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:37:39,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:39,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:37:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:37:39,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:39,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:39,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:39,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:37:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:39,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:39,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:39,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:39,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:39,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:39,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 12:37:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:39,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:37:39,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:39,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:39,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:37:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:39,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:39,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:39,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:39,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:39,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:39,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:39,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:37:39,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557620350] [2020-10-13 12:37:39,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:37:39,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:37:39,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612601182] [2020-10-13 12:37:39,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:37:39,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:37:39,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:37:39,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:37:39,727 INFO L87 Difference]: Start difference. First operand 586 states and 743 transitions. Second operand 9 states. [2020-10-13 12:37:40,811 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:37:41,082 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:37:41,341 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:37:41,603 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:37:42,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:37:42,378 INFO L93 Difference]: Finished difference Result 1210 states and 1596 transitions. [2020-10-13 12:37:42,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:37:42,381 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-13 12:37:42,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:37:42,388 INFO L225 Difference]: With dead ends: 1210 [2020-10-13 12:37:42,389 INFO L226 Difference]: Without dead ends: 652 [2020-10-13 12:37:42,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:37:42,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2020-10-13 12:37:42,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 596. [2020-10-13 12:37:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-13 12:37:42,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 754 transitions. [2020-10-13 12:37:42,522 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 754 transitions. Word has length 84 [2020-10-13 12:37:42,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:37:42,522 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 754 transitions. [2020-10-13 12:37:42,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:37:42,523 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 754 transitions. [2020-10-13 12:37:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 12:37:42,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:37:42,524 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] [2020-10-13 12:37:42,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:37:42,525 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:37:42,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:37:42,525 INFO L82 PathProgramCache]: Analyzing trace with hash -884914465, now seen corresponding path program 1 times [2020-10-13 12:37:42,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:37:42,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596315922] [2020-10-13 12:37:42,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:37:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:42,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:42,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:43,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 12:37:46,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:37:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4048 [2020-10-13 12:37:46,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:37:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 12:37:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:46,849 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:37:46,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:37:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:46,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:46,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:37:46,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:46,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:37:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:46,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:46,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:46,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:46,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:46,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:37:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:46,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:46,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:46,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:46,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:37:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:46,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:46,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:46,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:46,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:46,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:37:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:46,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:46,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:46,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:46,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:37:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:46,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:46,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:37:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:37:46,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:46,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:37:46,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:37:46,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:37:46,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:46,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:46,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:37:46,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:46,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:37:46,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:37:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:37:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:46,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:37:46,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:37:46,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:37:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:37:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:37:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:46,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:46,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:37:46,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:46,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:37:46,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:37:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:46,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:37:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:46,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:47,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:47,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:47,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:47,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:47,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:47,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:47,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:47,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:47,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:47,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 12:37:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:47,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:47,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:47,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:47,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:47,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:47,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:47,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:47,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:47,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:47,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:47,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:37:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:47,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:47,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:47,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:47,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:47,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:47,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:47,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:47,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:47,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:37:47,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596315922] [2020-10-13 12:37:47,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:37:47,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:37:47,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663001088] [2020-10-13 12:37:47,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:37:47,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:37:47,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:37:47,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:37:47,025 INFO L87 Difference]: Start difference. First operand 596 states and 754 transitions. Second operand 8 states. [2020-10-13 12:37:47,887 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:37:48,143 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:37:48,365 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:37:49,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:37:49,130 INFO L93 Difference]: Finished difference Result 1129 states and 1494 transitions. [2020-10-13 12:37:49,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:37:49,130 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-13 12:37:49,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:37:49,135 INFO L225 Difference]: With dead ends: 1129 [2020-10-13 12:37:49,135 INFO L226 Difference]: Without dead ends: 561 [2020-10-13 12:37:49,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:37:49,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-13 12:37:49,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 518. [2020-10-13 12:37:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-13 12:37:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 642 transitions. [2020-10-13 12:37:49,234 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 642 transitions. Word has length 84 [2020-10-13 12:37:49,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:37:49,235 INFO L479 AbstractCegarLoop]: Abstraction has 518 states and 642 transitions. [2020-10-13 12:37:49,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:37:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 642 transitions. [2020-10-13 12:37:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-13 12:37:49,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:37:49,237 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] [2020-10-13 12:37:49,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:37:49,237 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:37:49,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:37:49,238 INFO L82 PathProgramCache]: Analyzing trace with hash 199418042, now seen corresponding path program 1 times [2020-10-13 12:37:49,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:37:49,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806199288] [2020-10-13 12:37:49,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:37:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:49,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:49,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:50,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:50,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 12:37:50,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:37:50,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1523 [2020-10-13 12:37:50,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:50,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:37:50,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:37:50,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 12:37:50,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:51,033 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:37:51,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:37:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:51,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 12:37:51,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:51,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:51,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:51,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:37:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:51,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:51,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:51,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:51,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:37:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:51,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:51,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:51,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:51,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:37:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:51,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:51,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:51,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:51,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:51,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:37:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:51,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:51,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:51,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:51,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:51,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:37:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:51,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:37:51,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:51,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:37:51,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:51,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:37:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:51,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:37:51,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:51,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:51,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:51,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:37:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:37:51,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:37:51,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:51,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:37:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:51,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:37:51,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:37:51,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:51,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:51,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:37:51,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:37:51,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:51,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:51,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:51,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:37:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:37:51,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:37:51,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:51,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:51,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:51,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:37:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:51,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:51,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:51,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:51,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 12:37:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:51,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:37:51,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:51,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:51,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 12:37:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:51,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:51,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:51,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:51,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:51,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:37:51,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:51,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:37:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:37:51,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806199288] [2020-10-13 12:37:51,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:37:51,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:37:51,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053678568] [2020-10-13 12:37:51,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:37:51,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:37:51,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:37:51,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:37:51,278 INFO L87 Difference]: Start difference. First operand 518 states and 642 transitions. Second operand 7 states. [2020-10-13 12:37:51,592 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:37:53,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:37:53,682 INFO L93 Difference]: Finished difference Result 1031 states and 1406 transitions. [2020-10-13 12:37:53,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 12:37:53,683 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-10-13 12:37:53,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:37:53,692 INFO L225 Difference]: With dead ends: 1031 [2020-10-13 12:37:53,692 INFO L226 Difference]: Without dead ends: 1028 [2020-10-13 12:37:53,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-13 12:37:53,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-10-13 12:37:53,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 909. [2020-10-13 12:37:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-10-13 12:37:53,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1169 transitions. [2020-10-13 12:37:53,880 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1169 transitions. Word has length 88 [2020-10-13 12:37:53,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:37:53,880 INFO L479 AbstractCegarLoop]: Abstraction has 909 states and 1169 transitions. [2020-10-13 12:37:53,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:37:53,881 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1169 transitions. [2020-10-13 12:37:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 12:37:53,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:37:53,886 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:37:53,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:37:53,886 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:37:53,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:37:53,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1106577132, now seen corresponding path program 1 times [2020-10-13 12:37:53,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:37:53,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033665259] [2020-10-13 12:37:53,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:37:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:53,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:54,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:54,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:54,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:55,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:55,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 12:37:55,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:37:55,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1722 [2020-10-13 12:37:55,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:55,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:55,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-13 12:37:55,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 12:37:55,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:55,908 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:37:55,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:37:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:55,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:55,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:55,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:55,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:55,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:37:55,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:55,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:55,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:37:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:55,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:55,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:55,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:55,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:55,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:55,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:37:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:55,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:55,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:55,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:55,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:55,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:55,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:55,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:55,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:37:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:55,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:55,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:55,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:55,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:55,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:55,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:55,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:55,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:37:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:55,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:55,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:55,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:37:55,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:55,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:55,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:55,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:55,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:55,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:37:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:55,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:55,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:55,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:55,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:55,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:55,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:55,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:55,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:55,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:55,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:55,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:37:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:55,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:55,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:55,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:55,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:55,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:55,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:55,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:55,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:55,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:55,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:55,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:37:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:55,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:55,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:55,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 12:37:55,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:37:55,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:37:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:37:56,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:37:56,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:37:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:37:56,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:37:56,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:56,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:56,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:56,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:37:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:37:56,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:56,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:56,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:37:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:37:56,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:56,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:56,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:56,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:56,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:37:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:56,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:56,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:56,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:37:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 12:37:56,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:37:56,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:37:56,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:37:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:56,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:56,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 12:37:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:56,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:56,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 12:37:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:56,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:56,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:37:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:37:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:37:56,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 12:37:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:56,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:37:56,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:56,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:56,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:56,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 12:37:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:56,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:56,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:37:56,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:37:56,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:37:56,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:37:56,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:37:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:37:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:37:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:37:56,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:37:56,094 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 12:37:56,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033665259] [2020-10-13 12:37:56,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:37:56,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 12:37:56,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133527454] [2020-10-13 12:37:56,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:37:56,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:37:56,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:37:56,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:37:56,096 INFO L87 Difference]: Start difference. First operand 909 states and 1169 transitions. Second operand 8 states. [2020-10-13 12:37:56,403 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:37:58,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:37:58,096 INFO L93 Difference]: Finished difference Result 2072 states and 2723 transitions. [2020-10-13 12:37:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 12:37:58,097 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-10-13 12:37:58,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:37:58,108 INFO L225 Difference]: With dead ends: 2072 [2020-10-13 12:37:58,109 INFO L226 Difference]: Without dead ends: 1191 [2020-10-13 12:37:58,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-13 12:37:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2020-10-13 12:37:58,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1110. [2020-10-13 12:37:58,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2020-10-13 12:37:58,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1399 transitions. [2020-10-13 12:37:58,341 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1399 transitions. Word has length 122 [2020-10-13 12:37:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:37:58,345 INFO L479 AbstractCegarLoop]: Abstraction has 1110 states and 1399 transitions. [2020-10-13 12:37:58,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:37:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1399 transitions. [2020-10-13 12:37:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 12:37:58,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:37:58,351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:37:58,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:37:58,352 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:37:58,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:37:58,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1908577461, now seen corresponding path program 1 times [2020-10-13 12:37:58,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:37:58,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383790157] [2020-10-13 12:37:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:37:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:37:58,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:58,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:58,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:37:59,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:02,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:02,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-13 12:38:03,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:38:03,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 12:38:03,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 12:38:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:38:03,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,627 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:03,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:38:03,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:03,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:03,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:03,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:03,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:38:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:03,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 12:38:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:38:03,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:03,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:38:03,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 12:38:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 12:38:03,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:38:03,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 12:38:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 12:38:03,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:38:03,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:38:03,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:38:03,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:38:03,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:03,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:38:03,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:03,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:38:03,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:38:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:38:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 12:38:03,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:03,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:38:03,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 12:38:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 12:38:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:03,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 12:38:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 12:38:03,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:03,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 12:38:03,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:38:03,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:03,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 12:38:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:38:03,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:03,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:03,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 12:38:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 12:38:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:03,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:03,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:03,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:03,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:03,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:03,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:03,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:03,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:03,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:03,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 12:38:03,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383790157] [2020-10-13 12:38:03,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:38:03,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 12:38:03,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265923900] [2020-10-13 12:38:03,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 12:38:03,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:03,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 12:38:03,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:38:03,861 INFO L87 Difference]: Start difference. First operand 1110 states and 1399 transitions. Second operand 10 states. [2020-10-13 12:38:04,244 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:04,905 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:38:06,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:06,661 INFO L93 Difference]: Finished difference Result 2281 states and 2910 transitions. [2020-10-13 12:38:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 12:38:06,662 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2020-10-13 12:38:06,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:06,667 INFO L225 Difference]: With dead ends: 2281 [2020-10-13 12:38:06,668 INFO L226 Difference]: Without dead ends: 876 [2020-10-13 12:38:06,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-10-13 12:38:06,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2020-10-13 12:38:06,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 827. [2020-10-13 12:38:06,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-10-13 12:38:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1034 transitions. [2020-10-13 12:38:06,869 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1034 transitions. Word has length 152 [2020-10-13 12:38:06,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:06,869 INFO L479 AbstractCegarLoop]: Abstraction has 827 states and 1034 transitions. [2020-10-13 12:38:06,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 12:38:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1034 transitions. [2020-10-13 12:38:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 12:38:06,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:06,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:06,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 12:38:06,874 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:06,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:06,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1035770798, now seen corresponding path program 1 times [2020-10-13 12:38:06,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:06,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819794977] [2020-10-13 12:38:06,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:06,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:07,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:08,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:09,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:11,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:11,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 12:38:11,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:38:11,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 12:38:11,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:38:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-13 12:38:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 12:38:11,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,190 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 12:38:12,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:12,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:12,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:12,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:38:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:12,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:38:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 12:38:12,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:38:12,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:38:12,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:12,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:38:12,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:12,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:38:12,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:12,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:38:12,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:38:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:38:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 12:38:12,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:12,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 12:38:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 12:38:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 12:38:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 12:38:12,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:38:12,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:38:12,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 12:38:12,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:38:12,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:38:12,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:38:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:38:12,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:12,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:38:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:38:12,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 12:38:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:38:12,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:12,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:38:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:12,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 12:38:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:38:12,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:38:12,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:12,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:38:12,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 12:38:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:12,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:12,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:12,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:12,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:12,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:12,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-13 12:38:12,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819794977] [2020-10-13 12:38:12,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:38:12,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 12:38:12,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755180305] [2020-10-13 12:38:12,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 12:38:12,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:12,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 12:38:12,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:38:12,554 INFO L87 Difference]: Start difference. First operand 827 states and 1034 transitions. Second operand 15 states. [2020-10-13 12:38:13,081 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:14,474 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:38:14,789 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:38:15,070 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:38:15,316 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:38:16,400 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:38:16,669 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:38:16,958 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:38:17,217 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:38:17,500 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:38:17,758 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:18,058 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:18,328 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:38:19,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:19,051 INFO L93 Difference]: Finished difference Result 1991 states and 2628 transitions. [2020-10-13 12:38:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-13 12:38:19,052 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 146 [2020-10-13 12:38:19,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:19,060 INFO L225 Difference]: With dead ends: 1991 [2020-10-13 12:38:19,060 INFO L226 Difference]: Without dead ends: 1192 [2020-10-13 12:38:19,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=361, Invalid=1361, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 12:38:19,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2020-10-13 12:38:19,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1115. [2020-10-13 12:38:19,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1115 states. [2020-10-13 12:38:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1359 transitions. [2020-10-13 12:38:19,257 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1359 transitions. Word has length 146 [2020-10-13 12:38:19,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:19,257 INFO L479 AbstractCegarLoop]: Abstraction has 1115 states and 1359 transitions. [2020-10-13 12:38:19,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 12:38:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1359 transitions. [2020-10-13 12:38:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-13 12:38:19,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:38:19,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:38:19,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 12:38:19,267 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:38:19,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:38:19,267 INFO L82 PathProgramCache]: Analyzing trace with hash -936503095, now seen corresponding path program 1 times [2020-10-13 12:38:19,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:38:19,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968171345] [2020-10-13 12:38:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:38:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:19,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:19,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:19,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:19,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:19,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:20,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-13 12:38:21,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:38:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1806 [2020-10-13 12:38:21,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:38:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 12:38:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:38:21,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,358 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:21,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:38:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:38:21,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:38:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:21,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:38:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:21,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:38:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:38:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:38:21,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:38:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:38:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:38:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:38:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 12:38:21,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:38:21,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 12:38:21,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 12:38:21,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:38:21,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:38:21,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 12:38:21,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:38:21,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:38:21,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:21,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:38:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:38:21,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:38:21,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:38:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:38:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:38:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 12:38:21,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:38:21,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:38:21,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:38:21,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 12:38:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 12:38:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:38:21,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:38:21,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 12:38:21,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:38:21,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:38:21,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:38:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:38:21,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:38:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:38:21,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:38:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:38:21,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 12:38:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:38:21,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:21,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 12:38:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:38:21,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:38:21,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:38:21,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:38:21,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:38:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:38:21,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:38:21,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:38:21,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:38:21,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:38:21,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:38:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-13 12:38:21,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968171345] [2020-10-13 12:38:21,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:38:21,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 12:38:21,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082262710] [2020-10-13 12:38:21,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 12:38:21,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:38:21,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 12:38:21,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:38:21,612 INFO L87 Difference]: Start difference. First operand 1115 states and 1359 transitions. Second operand 10 states. [2020-10-13 12:38:22,581 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:38:23,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:38:23,576 INFO L93 Difference]: Finished difference Result 1933 states and 2491 transitions. [2020-10-13 12:38:23,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 12:38:23,577 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-10-13 12:38:23,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:38:23,577 INFO L225 Difference]: With dead ends: 1933 [2020-10-13 12:38:23,577 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:38:23,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2020-10-13 12:38:23,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:38:23,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:38:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:38:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:38:23,585 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2020-10-13 12:38:23,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:38:23,585 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:38:23,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 12:38:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:38:23,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:38:23,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 12:38:23,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:38:26,065 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 245 [2020-10-13 12:38:27,319 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 255 [2020-10-13 12:38:28,194 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 255 [2020-10-13 12:38:30,313 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 268 [2020-10-13 12:38:30,867 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 271 [2020-10-13 12:38:32,508 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 32 [2020-10-13 12:38:32,847 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 37 [2020-10-13 12:38:33,983 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 19 [2020-10-13 12:38:34,184 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-13 12:38:34,395 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2020-10-13 12:38:34,611 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2020-10-13 12:38:34,797 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-13 12:38:35,100 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-13 12:38:35,512 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2020-10-13 12:38:36,194 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 34 [2020-10-13 12:38:36,406 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:38:36,621 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2020-10-13 12:38:36,835 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2020-10-13 12:38:38,041 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 205 DAG size of output: 30 [2020-10-13 12:38:38,233 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-13 12:38:38,843 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 40 [2020-10-13 12:38:39,590 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 31 [2020-10-13 12:38:39,990 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 24 [2020-10-13 12:38:40,184 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-13 12:38:40,842 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 30 [2020-10-13 12:38:41,479 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 40 [2020-10-13 12:38:42,466 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 29 [2020-10-13 12:38:43,105 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 35 [2020-10-13 12:38:43,446 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-10-13 12:38:44,163 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 28 [2020-10-13 12:38:44,809 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 26 [2020-10-13 12:38:45,213 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 19 [2020-10-13 12:38:45,770 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 24 [2020-10-13 12:38:46,884 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 192 DAG size of output: 28 [2020-10-13 12:38:47,313 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-10-13 12:38:47,843 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 20 [2020-10-13 12:38:48,821 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 41 [2020-10-13 12:38:49,033 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2020-10-13 12:38:49,208 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-13 12:38:49,419 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2020-10-13 12:38:50,816 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 223 DAG size of output: 39 [2020-10-13 12:38:51,639 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2020-10-13 12:38:51,819 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-10-13 12:38:52,000 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-13 12:38:52,198 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2020-10-13 12:38:52,810 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 28 [2020-10-13 12:38:52,989 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 1 [2020-10-13 12:38:53,349 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 7 [2020-10-13 12:38:53,559 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2020-10-13 12:38:54,318 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2020-10-13 12:38:54,719 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 19 [2020-10-13 12:38:54,930 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2020-10-13 12:38:56,043 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 192 DAG size of output: 28 [2020-10-13 12:38:57,024 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-13 12:38:59,041 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 208 DAG size of output: 51 [2020-10-13 12:38:59,045 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-10-13 12:38:59,045 INFO L268 CegarLoopResult]: For program point L670-2(lines 670 691) no Hoare annotation was computed. [2020-10-13 12:38:59,045 INFO L268 CegarLoopResult]: For program point L692(lines 669 693) no Hoare annotation was computed. [2020-10-13 12:38:59,045 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 645 700) no Hoare annotation was computed. [2020-10-13 12:38:59,045 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 645 700) no Hoare annotation was computed. [2020-10-13 12:38:59,046 INFO L268 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-10-13 12:38:59,046 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 680) no Hoare annotation was computed. [2020-10-13 12:38:59,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 645 700) no Hoare annotation was computed. [2020-10-13 12:38:59,046 INFO L268 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-10-13 12:38:59,046 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2020-10-13 12:38:59,046 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-10-13 12:38:59,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 701 760) no Hoare annotation was computed. [2020-10-13 12:38:59,046 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 752) no Hoare annotation was computed. [2020-10-13 12:38:59,047 INFO L268 CegarLoopResult]: For program point L753(lines 726 754) no Hoare annotation was computed. [2020-10-13 12:38:59,047 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 701 760) no Hoare annotation was computed. [2020-10-13 12:38:59,047 INFO L268 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-10-13 12:38:59,047 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 701 760) no Hoare annotation was computed. [2020-10-13 12:38:59,047 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-10-13 12:38:59,048 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2020-10-13 12:38:59,048 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2020-10-13 12:38:59,048 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2020-10-13 12:38:59,048 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2020-10-13 12:38:59,048 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2020-10-13 12:38:59,048 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:38:59,049 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2020-10-13 12:38:59,049 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2020-10-13 12:38:59,049 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:38:59,049 INFO L264 CegarLoopResult]: At program point L233-1(line 233) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:38:59,049 INFO L268 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2020-10-13 12:38:59,049 INFO L268 CegarLoopResult]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2020-10-13 12:38:59,050 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-10-13 12:38:59,050 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:38:59,050 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:38:59,050 INFO L264 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:38:59,050 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 12:38:59,050 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-10-13 12:38:59,050 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-13 12:38:59,051 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 12:38:59,051 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-13 12:38:59,051 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-10-13 12:38:59,051 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-13 12:38:59,051 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-10-13 12:38:59,051 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 12:38:59,051 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 12:38:59,051 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-13 12:38:59,052 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 12:38:59,052 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 12:38:59,052 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-13 12:38:59,052 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 12:38:59,052 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-13 12:38:59,052 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-13 12:38:59,052 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2020-10-13 12:38:59,052 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (= |old(~systemActive~0)| 0) .cse0) (or (not (<= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 0 ~methAndRunningLastTime~0))))) [2020-10-13 12:38:59,052 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2020-10-13 12:38:59,052 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (and (or (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (or (= |isPumpRunning_#res| 0) (<= 1 ~pumpRunning~0) (<= (+ ~pumpRunning~0 1) 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (<= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0)))) [2020-10-13 12:38:59,052 INFO L268 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 487 522) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point L494(lines 494 502) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point L494-2(lines 494 502) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 487 522) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point L517-1(line 517) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 487 522) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2020-10-13 12:38:59,053 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 599 644) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 599 644) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 599 644) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point L926(lines 926 946) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point L926-1(lines 926 946) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 912 957) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 912 957) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 912 957) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point L932(lines 932 939) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2020-10-13 12:38:59,054 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:38:59,055 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2020-10-13 12:38:59,055 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2020-10-13 12:38:59,055 INFO L271 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: true [2020-10-13 12:38:59,055 INFO L268 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-10-13 12:38:59,055 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2020-10-13 12:38:59,055 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-10-13 12:38:59,056 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2020-10-13 12:38:59,056 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2020-10-13 12:38:59,056 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-10-13 12:38:59,056 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-10-13 12:38:59,056 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-10-13 12:38:59,056 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-10-13 12:38:59,056 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (<= ~methAndRunningLastTime~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))))) [2020-10-13 12:38:59,057 INFO L268 CegarLoopResult]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2020-10-13 12:38:59,057 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (and (<= ~methaneLevelCritical~0 0) (<= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2020-10-13 12:38:59,057 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2020-10-13 12:38:59,057 INFO L264 CegarLoopResult]: At program point L436(line 436) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or .cse1 .cse0 (and (<= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse1 (not (<= 0 ~methaneLevelCritical~0)) .cse0 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:38:59,057 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2020-10-13 12:38:59,057 INFO L268 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2020-10-13 12:38:59,057 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:38:59,057 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-10-13 12:38:59,057 INFO L268 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2020-10-13 12:38:59,057 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2020-10-13 12:38:59,057 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2020-10-13 12:38:59,058 INFO L264 CegarLoopResult]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:38:59,058 INFO L264 CegarLoopResult]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (<= ~methAndRunningLastTime~0 0))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 (< 1 ~waterLevel~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse3 .cse4 (= ~pumpRunning~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) .cse1 .cse3 .cse2 .cse4))) [2020-10-13 12:38:59,058 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (<= ~methAndRunningLastTime~0 0))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 (< 1 ~waterLevel~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse3 .cse4 (= ~pumpRunning~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) .cse1 .cse3 .cse2 .cse4))) [2020-10-13 12:38:59,058 INFO L268 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-10-13 12:38:59,058 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2020-10-13 12:38:59,058 INFO L268 CegarLoopResult]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2020-10-13 12:38:59,058 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-10-13 12:38:59,058 INFO L264 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-13 12:38:59,058 INFO L264 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (<= |old(~methAndRunningLastTime~0)| 0)))) [2020-10-13 12:38:59,059 INFO L268 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2020-10-13 12:38:59,059 INFO L264 CegarLoopResult]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 0 ~methAndRunningLastTime~0)) (.cse4 (not .cse1)) (.cse6 (<= ~methAndRunningLastTime~0 0))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (and .cse0 .cse1 .cse2) (= |old(~systemActive~0)| 0) (and .cse3 .cse0 .cse4 (< 1 ~waterLevel~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse6 .cse2) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0)) (and .cse3 .cse0 .cse5 .cse4 .cse6)))) [2020-10-13 12:38:59,059 INFO L268 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2020-10-13 12:38:59,059 INFO L268 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2020-10-13 12:38:59,059 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (<= ~methAndRunningLastTime~0 0))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 (< 1 ~waterLevel~0)) (not (<= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse3 .cse4 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) .cse1 .cse3 .cse2 .cse4))) [2020-10-13 12:38:59,059 INFO L268 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-10-13 12:38:59,059 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2020-10-13 12:38:59,059 INFO L268 CegarLoopResult]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2020-10-13 12:38:59,059 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 866 911) no Hoare annotation was computed. [2020-10-13 12:38:59,059 INFO L268 CegarLoopResult]: For program point L886(lines 886 893) no Hoare annotation was computed. [2020-10-13 12:38:59,060 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 866 911) no Hoare annotation was computed. [2020-10-13 12:38:59,060 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 866 911) no Hoare annotation was computed. [2020-10-13 12:38:59,060 INFO L268 CegarLoopResult]: For program point L880(lines 880 900) no Hoare annotation was computed. [2020-10-13 12:38:59,060 INFO L268 CegarLoopResult]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2020-10-13 12:38:59,060 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse1 (not (<= 0 ~methaneLevelCritical~0)) .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0))) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse1 .cse2 .cse0 (not (<= |old(~methAndRunningLastTime~0)| 0)) (not (< 1 ~waterLevel~0))))) [2020-10-13 12:38:59,060 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse1 (not (<= ~methaneLevelCritical~0 0))) (not (= ~pumpRunning~0 0)) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 .cse1 (not (<= |old(~methAndRunningLastTime~0)| 0)) (not (< 1 ~waterLevel~0))))) [2020-10-13 12:38:59,060 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-10-13 12:38:59,060 INFO L268 CegarLoopResult]: For program point L268(lines 268 278) no Hoare annotation was computed. [2020-10-13 12:38:59,060 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse6 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (not (<= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~systemActive~0)) (.cse7 (not (<= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (<= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse4 .cse1 .cse7 (not (< 1 ~waterLevel~0))) (or .cse6 .cse0 .cse3 .cse4 .cse7 .cse5))) [2020-10-13 12:38:59,060 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-10-13 12:38:59,060 INFO L268 CegarLoopResult]: For program point L264(lines 264 281) no Hoare annotation was computed. [2020-10-13 12:38:59,060 INFO L268 CegarLoopResult]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse1 (not (<= 0 ~methaneLevelCritical~0)) .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0))) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse1 .cse2 .cse0 (not (<= |old(~methAndRunningLastTime~0)| 0)) (not (< 1 ~waterLevel~0))))) [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (<= 0 ~methaneLevelCritical~0)) (= 0 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~methaneLevelCritical~0 0))) [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 559 568) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 559 568) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 559 568) no Hoare annotation was computed. [2020-10-13 12:38:59,061 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 763 865) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point L851(lines 851 862) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point L814(lines 814 818) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point L812-2(lines 812 832) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 763 865) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point L833(lines 811 834) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point L792(lines 792 808) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 763 865) no Hoare annotation was computed. [2020-10-13 12:38:59,062 INFO L268 CegarLoopResult]: For program point L813(lines 812 832) no Hoare annotation was computed. [2020-10-13 12:38:59,063 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-10-13 12:38:59,063 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-10-13 12:38:59,063 INFO L268 CegarLoopResult]: For program point L809(lines 809 850) no Hoare annotation was computed. [2020-10-13 12:38:59,063 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:38:59,063 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-13 12:38:59,063 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:38:59,063 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2020-10-13 12:38:59,063 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2020-10-13 12:38:59,063 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (or (not (<= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0)) (not (< 1 ~waterLevel~0))) [2020-10-13 12:38:59,064 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-10-13 12:38:59,064 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-10-13 12:38:59,064 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-10-13 12:38:59,064 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-10-13 12:38:59,064 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-10-13 12:38:59,064 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-10-13 12:38:59,064 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-10-13 12:38:59,064 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-10-13 12:38:59,064 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-10-13 12:38:59,064 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-10-13 12:38:59,064 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-10-13 12:38:59,064 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (not (<= ~methAndRunningLastTime~0 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (<= 0 ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) .cse0 .cse3 (not (<= |old(~methaneLevelCritical~0)| 0)) .cse1 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0)) .cse4) (or .cse3 (not (= ~pumpRunning~0 0)) .cse2 .cse4))) [2020-10-13 12:38:59,065 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-10-13 12:38:59,065 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:38:59,065 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:38:59,065 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:38:59,065 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-10-13 12:38:59,065 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-10-13 12:38:59,065 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-10-13 12:38:59,065 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse4 .cse5)) (.cse3 (not (<= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= 0 ~systemActive~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse3) (or .cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5) .cse6 .cse3) (or (not (< 1 |old(~waterLevel~0)|)) .cse1 .cse2 .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse3) (or (not .cse2) .cse6)))) [2020-10-13 12:38:59,065 INFO L264 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (not .cse6)) (.cse12 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse16 (<= ~methaneLevelCritical~0 0)) (.cse17 (<= 0 ~methaneLevelCritical~0))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not .cse17)) (.cse10 (not .cse16)) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse8 (and .cse16 .cse17 .cse11 .cse13 .cse12)) (.cse1 (and .cse15 .cse11 .cse12)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~methAndRunningLastTime~0)| 0))) (.cse14 (and (= ~pumpRunning~0 0) .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (<= ~waterLevel~0 1) .cse5 .cse6 .cse2 .cse4) (or .cse7 .cse8 .cse5 .cse9 .cse6 .cse10) (or .cse0 .cse5 .cse9 .cse6 (and .cse11 .cse12) .cse4 .cse10) (or .cse1 .cse13 .cse3) (or .cse7 .cse8 .cse5 .cse6 .cse14) (or .cse0 .cse1 .cse3 (and (<= 1 ~pumpRunning~0) .cse15 .cse12) .cse4) (or .cse0 .cse5 .cse6 (and .cse16 .cse17) .cse4 .cse14))))) [2020-10-13 12:38:59,066 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse3 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (< 1 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or .cse3 .cse5 .cse4) (or (not .cse1) .cse5))) [2020-10-13 12:38:59,066 INFO L268 CegarLoopResult]: For program point L372(lines 371 390) no Hoare annotation was computed. [2020-10-13 12:38:59,066 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (= 0 ~systemActive~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (< 1 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or .cse3 .cse2 .cse5 .cse4) (or .cse2 (not .cse1) .cse5))) [2020-10-13 12:38:59,066 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2020-10-13 12:38:59,066 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2020-10-13 12:38:59,066 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-10-13 12:38:59,066 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-10-13 12:38:59,066 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2020-10-13 12:38:59,066 INFO L271 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2020-10-13 12:38:59,066 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 12:38:59,066 INFO L271 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2020-10-13 12:38:59,067 INFO L271 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-10-13 12:38:59,067 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-10-13 12:38:59,067 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-10-13 12:38:59,067 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-13 12:38:59,067 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (< 1 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= ~methAndRunningLastTime~0 0)) .cse2 (not (<= 0 ~methAndRunningLastTime~0))))) [2020-10-13 12:38:59,067 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-10-13 12:38:59,067 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-10-13 12:38:59,067 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-10-13 12:38:59,067 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-10-13 12:38:59,067 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:38:59,068 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-13 12:38:59,068 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:38:59,068 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:38:59,068 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:38:59,068 INFO L264 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0)) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~3 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:38:59,068 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2020-10-13 12:38:59,068 INFO L264 CegarLoopResult]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (not (<= ~methAndRunningLastTime~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 0 ~methAndRunningLastTime~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= 0 ~methaneLevelCritical~0)) .cse1 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:38:59,068 INFO L268 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-10-13 12:38:59,068 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= ~methAndRunningLastTime~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:38:59,068 INFO L268 CegarLoopResult]: For program point L406-1(line 406) no Hoare annotation was computed. [2020-10-13 12:38:59,068 INFO L268 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2020-10-13 12:38:59,069 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0))) (or (not (<= ~methAndRunningLastTime~0 0)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methAndRunningLastTime~0))))) [2020-10-13 12:38:59,069 INFO L268 CegarLoopResult]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2020-10-13 12:38:59,069 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-10-13 12:38:59,069 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-10-13 12:38:59,069 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse2 (not (<= ~methAndRunningLastTime~0 0))) (.cse4 (not (<= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= 0 ~methaneLevelCritical~0)) .cse3 .cse4 (not (<= ~methaneLevelCritical~0 0))) (or .cse1 .cse2 (not (= ~pumpRunning~0 0)) .cse4) (or (not (< 1 |old(~waterLevel~0)|)) .cse0 .cse1 .cse3))) [2020-10-13 12:38:59,069 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2020-10-13 12:38:59,069 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2020-10-13 12:38:59,069 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2020-10-13 12:38:59,069 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2020-10-13 12:38:59,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:38:59 BoogieIcfgContainer [2020-10-13 12:38:59,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:38:59,102 INFO L168 Benchmark]: Toolchain (without parser) took 127019.87 ms. Allocated memory was 140.5 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 101.5 MB in the beginning and 514.8 MB in the end (delta: -413.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-13 12:38:59,104 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:38:59,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.01 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 172.0 MB in the end (delta: -70.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:38:59,108 INFO L168 Benchmark]: Boogie Preprocessor took 87.90 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:38:59,108 INFO L168 Benchmark]: RCFGBuilder took 1105.01 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 167.3 MB in the beginning and 195.8 MB in the end (delta: -28.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:38:59,109 INFO L168 Benchmark]: TraceAbstraction took 125144.67 ms. Allocated memory was 236.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 195.8 MB in the beginning and 514.8 MB in the end (delta: -319.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-13 12:38:59,115 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.01 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 172.0 MB in the end (delta: -70.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.90 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1105.01 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 167.3 MB in the beginning and 195.8 MB in the end (delta: -28.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 125144.67 ms. Allocated memory was 236.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 195.8 MB in the beginning and 514.8 MB in the end (delta: -319.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((((!(0 <= \old(methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(0 <= \old(methAndRunningLastTime))) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) <= 0)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) <= 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((((((((!(0 <= \old(methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(0 <= \old(methAndRunningLastTime))) || \old(systemActive) == 0) || (((1 <= pumpRunning && splverifierCounter <= 0) && !(0 == systemActive)) && 1 < waterLevel)) || !(\old(methaneLevelCritical) <= 0)) || !(\old(pumpRunning) == 0)) || (((splverifierCounter <= 0 && 0 <= methAndRunningLastTime) && methAndRunningLastTime <= 0) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) <= 0)) || ((((((1 <= pumpRunning && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && splverifierCounter <= 0) && 0 <= methAndRunningLastTime) && !(0 == systemActive)) && methAndRunningLastTime <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 89.5s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 34.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 35.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1508 SDtfs, 4302 SDslu, 1559 SDs, 0 SdLazy, 6921 SolverSat, 3171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 620 GetRequests, 422 SyntacticMatches, 1 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1115occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 646 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2998 PreInvPairs, 3239 NumberOfFragments, 2430 HoareAnnotationTreeSize, 2998 FomulaSimplifications, 151136098 FormulaSimplificationTreeSizeReduction, 9.7s HoareSimplificationTime, 62 FomulaSimplificationsInter, 2387343 FormulaSimplificationTreeSizeReductionInter, 25.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 53.1s InterpolantComputationTime, 1153 NumberOfCodeBlocks, 1153 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1141 ConstructedInterpolants, 0 QuantifiedInterpolants, 410651 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 152/162 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...