/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_spec4_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:48:41,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:48:41,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:48:41,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:48:41,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:48:41,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:48:41,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:48:41,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:48:41,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:48:41,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:48:41,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:48:41,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:48:41,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:48:41,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:48:41,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:48:41,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:48:41,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:48:41,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:48:41,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:48:41,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:48:41,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:48:41,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:48:41,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:48:41,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:48:41,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:48:41,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:48:41,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:48:41,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:48:41,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:48:41,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:48:41,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:48:41,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:48:41,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:48:41,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:48:41,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:48:41,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:48:41,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:48:41,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:48:41,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:48:41,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:48:41,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:48:41,780 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 12:48:41,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:48:41,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:48:41,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:48:41,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:48:41,805 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:48:41,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:48:41,805 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:48:41,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:48:41,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:48:41,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:48:41,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:48:41,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:48:41,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:48:41,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:48:41,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:48:41,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:48:41,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:48:41,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:48:41,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:48:41,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:48:41,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:48:41,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:48:41,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:48:41,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:48:41,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:48:41,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:48:41,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:48:41,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:48:41,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:48:41,810 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 12:48:42,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:48:42,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:48:42,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:48:42,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:48:42,118 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:48:42,119 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product60.cil.c [2020-10-13 12:48:42,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09c1a3b76/904c313a6fb648b8a95a06090c7bc13f/FLAG9bcebe32c [2020-10-13 12:48:42,751 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:48:42,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product60.cil.c [2020-10-13 12:48:42,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09c1a3b76/904c313a6fb648b8a95a06090c7bc13f/FLAG9bcebe32c [2020-10-13 12:48:43,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09c1a3b76/904c313a6fb648b8a95a06090c7bc13f [2020-10-13 12:48:43,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:48:43,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:48:43,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:48:43,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:48:43,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:48:43,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:48:43" (1/1) ... [2020-10-13 12:48:43,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c71f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43, skipping insertion in model container [2020-10-13 12:48:43,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:48:43" (1/1) ... [2020-10-13 12:48:43,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:48:43,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:48:43,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:48:43,658 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:48:43,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:48:43,773 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:48:43,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43 WrapperNode [2020-10-13 12:48:43,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:48:43,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:48:43,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:48:43,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:48:43,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43" (1/1) ... [2020-10-13 12:48:43,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43" (1/1) ... [2020-10-13 12:48:43,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43" (1/1) ... [2020-10-13 12:48:43,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43" (1/1) ... [2020-10-13 12:48:43,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43" (1/1) ... [2020-10-13 12:48:43,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43" (1/1) ... [2020-10-13 12:48:43,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43" (1/1) ... [2020-10-13 12:48:43,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:48:43,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:48:43,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:48:43,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:48:43,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43" (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 12:48:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:48:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:48:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:48:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:48:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:48:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:48:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:48:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:48:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:48:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:48:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:48:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:48:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:48:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:48:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:48:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:48:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:48:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:48:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:48:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:48:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:48:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:48:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:48:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:48:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:48:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:48:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:48:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:48:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:48:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:48:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:48:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:48:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:48:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:48:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:48:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:48:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:48:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:48:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:48:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:48:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:48:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:48:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:48:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:48:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:48:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:48:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:48:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:48:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:48:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:48:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:48:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:48:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:48:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:48:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:48:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:48:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:48:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:48:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:48:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:48:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:48:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:48:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:48:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:48:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:48:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:48:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:48:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:48:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:48:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:48:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:48:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:48:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:48:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:48:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:48:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:48:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:48:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:48:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:48:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:48:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:48:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:48:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:48:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:48:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:48:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:48:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:48:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:48:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:48:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:48:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:48:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:48:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:48:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:48:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:48:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:48:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:48:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:48:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:48:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:48:45,047 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:48:45,047 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:48:45,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:48:45 BoogieIcfgContainer [2020-10-13 12:48:45,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:48:45,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:48:45,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:48:45,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:48:45,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:48:43" (1/3) ... [2020-10-13 12:48:45,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8478df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:48:45, skipping insertion in model container [2020-10-13 12:48:45,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:48:43" (2/3) ... [2020-10-13 12:48:45,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8478df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:48:45, skipping insertion in model container [2020-10-13 12:48:45,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:48:45" (3/3) ... [2020-10-13 12:48:45,069 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2020-10-13 12:48:45,079 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:48:45,090 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:48:45,103 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:48:45,124 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:48:45,124 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:48:45,124 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:48:45,125 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:48:45,125 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:48:45,125 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:48:45,125 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:48:45,125 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:48:45,150 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-10-13 12:48:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:48:45,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:45,161 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] [2020-10-13 12:48:45,162 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:45,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:45,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2134554421, now seen corresponding path program 1 times [2020-10-13 12:48:45,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:45,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194754454] [2020-10-13 12:48:45,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:45,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:45,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:46,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:47,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:49,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:50,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:50,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:48:50,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:48:50,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 12:48:50,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:48:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:50,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:48:50,879 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:50,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:50,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:50,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:50,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:50,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:50,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 12:48:50,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:50,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:50,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:50,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:50,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:50,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:50,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:50,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:50,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:50,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:50,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:50,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:50,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:50,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:50,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:50,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:50,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:50,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:50,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:50,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:50,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:50,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:50,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:50,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:50,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:50,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:50,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:50,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:50,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:50,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:50,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:50,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:50,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:50,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:50,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:50,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:50,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:50,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:50,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:50,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:50,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:50,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:50,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:48:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:50,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:50,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:50,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:50,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:50,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:50,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:50,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:50,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:50,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:50,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:50,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:48:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:50,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:50,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:50,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:50,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:50,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:50,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:50,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:50,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:50,984 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 12:48:50,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194754454] [2020-10-13 12:48:50,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:48:50,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:48:50,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540602781] [2020-10-13 12:48:50,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:48:50,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:51,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:48:51,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:48:51,011 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 3 states. [2020-10-13 12:48:52,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:48:52,511 INFO L93 Difference]: Finished difference Result 352 states and 451 transitions. [2020-10-13 12:48:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:48:52,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:48:52,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:48:52,533 INFO L225 Difference]: With dead ends: 352 [2020-10-13 12:48:52,534 INFO L226 Difference]: Without dead ends: 190 [2020-10-13 12:48:52,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:48:52,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-13 12:48:52,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 153. [2020-10-13 12:48:52,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-13 12:48:52,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2020-10-13 12:48:52,652 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 46 [2020-10-13 12:48:52,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:48:52,652 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2020-10-13 12:48:52,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:48:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2020-10-13 12:48:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:48:52,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:52,656 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] [2020-10-13 12:48:52,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:48:52,657 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:52,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:52,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1258335028, now seen corresponding path program 1 times [2020-10-13 12:48:52,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:52,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598420512] [2020-10-13 12:48:52,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:52,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:52,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:53,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:54,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:55,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:48:57,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:48:57,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 12:48:57,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:48:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:48:57,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:57,991 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:57,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:58,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:58,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:58,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:58,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:58,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 12:48:58,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:58,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:58,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:58,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:58,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:58,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:58,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:58,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:58,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:58,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:58,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:58,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:58,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:58,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:58,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:58,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:58,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:58,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:58,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:58,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:58,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:58,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:58,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:58,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:58,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:58,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:58,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:58,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:58,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:58,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:58,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:58,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:58,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:58,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:58,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:58,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:58,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:58,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:58,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:58,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:58,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:58,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:48:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:58,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:58,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:58,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:58,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:58,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:58,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:58,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:58,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:58,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:58,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:48:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:58,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:58,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:58,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:58,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:58,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:48:58,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:58,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:58,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:58,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:58,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:58,130 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 12:48:58,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598420512] [2020-10-13 12:48:58,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:48:58,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:48:58,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984754717] [2020-10-13 12:48:58,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:48:58,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:58,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:48:58,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:48:58,137 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 4 states. [2020-10-13 12:48:58,579 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:48:59,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:48:59,558 INFO L93 Difference]: Finished difference Result 275 states and 330 transitions. [2020-10-13 12:48:59,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:48:59,561 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:48:59,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:48:59,567 INFO L225 Difference]: With dead ends: 275 [2020-10-13 12:48:59,567 INFO L226 Difference]: Without dead ends: 174 [2020-10-13 12:48:59,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:48:59,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-13 12:48:59,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 144. [2020-10-13 12:48:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-13 12:48:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2020-10-13 12:48:59,645 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 47 [2020-10-13 12:48:59,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:48:59,645 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2020-10-13 12:48:59,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:48:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2020-10-13 12:48:59,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:48:59,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:59,655 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 12:48:59,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:48:59,655 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:59,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:59,656 INFO L82 PathProgramCache]: Analyzing trace with hash 598975815, now seen corresponding path program 1 times [2020-10-13 12:48:59,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:59,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067768341] [2020-10-13 12:48:59,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:59,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:59,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:00,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:01,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:03,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:03,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 12:49:03,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:49:03,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3810 [2020-10-13 12:49:03,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:03,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:03,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 12:49:03,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:49:03,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:03,792 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:49:03,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:03,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:03,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:03,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:03,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:03,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 12:49:03,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:03,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:03,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:03,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:03,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:03,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:03,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:03,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:03,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:03,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:03,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:03,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:03,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:03,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:03,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:03,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:03,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:03,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:03,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:03,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:03,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:03,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:03,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:03,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:03,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:03,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:03,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:03,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:03,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:03,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:03,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:03,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:03,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:03,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:03,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:03,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:03,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:03,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:49:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:03,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:03,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:03,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:03,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:03,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:03,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:03,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:03,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:49:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:03,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:03,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:03,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:03,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 12:49:03,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:03,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:03,913 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 12:49:03,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067768341] [2020-10-13 12:49:03,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:49:03,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:49:03,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805242583] [2020-10-13 12:49:03,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:49:03,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:03,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:49:03,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:49:03,919 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand 7 states. [2020-10-13 12:49:04,272 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:05,037 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:49:05,359 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:49:05,613 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:49:06,169 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:49:06,416 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:49:07,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:07,142 INFO L93 Difference]: Finished difference Result 360 states and 451 transitions. [2020-10-13 12:49:07,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:49:07,143 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-13 12:49:07,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:07,146 INFO L225 Difference]: With dead ends: 360 [2020-10-13 12:49:07,146 INFO L226 Difference]: Without dead ends: 240 [2020-10-13 12:49:07,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:49:07,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-13 12:49:07,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 217. [2020-10-13 12:49:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-13 12:49:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 259 transitions. [2020-10-13 12:49:07,225 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 259 transitions. Word has length 52 [2020-10-13 12:49:07,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:07,225 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 259 transitions. [2020-10-13 12:49:07,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:49:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 259 transitions. [2020-10-13 12:49:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 12:49:07,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:07,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:49:07,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:49:07,228 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:07,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:07,228 INFO L82 PathProgramCache]: Analyzing trace with hash -268041626, now seen corresponding path program 1 times [2020-10-13 12:49:07,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:07,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465169003] [2020-10-13 12:49:07,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:08,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:08,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 12:49:08,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:49:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1476 [2020-10-13 12:49:08,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-13 12:49:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:49:08,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:08,967 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:49:08,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:08,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:09,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 12:49:09,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:09,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:09,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:09,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:09,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:09,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:09,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:09,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:09,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:09,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:09,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:09,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:49:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:49:09,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 12:49:09,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:09,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:49:09,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:49:09,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:49:09,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 12:49:09,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:49:09,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:49:09,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:49:09,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:49:09,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:49:09,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:49:09,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:09,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:09,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:49:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:49:09,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:49:09,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:49:09,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:49:09,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:09,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:09,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:09,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:09,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:09,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:09,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:09,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:09,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:09,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 12:49:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:09,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:09,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:09,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:49:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:09,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:09,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:09,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:09,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:09,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:09,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:09,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:09,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:09,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:09,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:09,288 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 12:49:09,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465169003] [2020-10-13 12:49:09,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:49:09,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:49:09,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205481267] [2020-10-13 12:49:09,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:49:09,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:09,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:49:09,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:49:09,294 INFO L87 Difference]: Start difference. First operand 217 states and 259 transitions. Second operand 8 states. [2020-10-13 12:49:10,482 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:10,700 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:49:10,948 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:49:11,197 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:49:12,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:12,072 INFO L93 Difference]: Finished difference Result 458 states and 587 transitions. [2020-10-13 12:49:12,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:49:12,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-13 12:49:12,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:12,081 INFO L225 Difference]: With dead ends: 458 [2020-10-13 12:49:12,081 INFO L226 Difference]: Without dead ends: 265 [2020-10-13 12:49:12,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:49:12,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-10-13 12:49:12,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 225. [2020-10-13 12:49:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-13 12:49:12,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 267 transitions. [2020-10-13 12:49:12,164 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 267 transitions. Word has length 95 [2020-10-13 12:49:12,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:12,166 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 267 transitions. [2020-10-13 12:49:12,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:49:12,166 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 267 transitions. [2020-10-13 12:49:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 12:49:12,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:12,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:49:12,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:49:12,170 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:12,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:12,171 INFO L82 PathProgramCache]: Analyzing trace with hash 625444712, now seen corresponding path program 1 times [2020-10-13 12:49:12,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:12,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608662262] [2020-10-13 12:49:12,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:12,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:12,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:13,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:13,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 12:49:13,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:49:13,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1292 [2020-10-13 12:49:13,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 12:49:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:13,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:13,740 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:49:13,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:13,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:13,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:13,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:13,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:13,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 12:49:13,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:13,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:13,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:13,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:13,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:13,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:13,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:13,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:13,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:13,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:13,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:13,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:13,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:13,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:13,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:13,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:13,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:13,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:13,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:13,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:13,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:13,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:13,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:13,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:13,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:13,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:13,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:13,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:13,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:13,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:13,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:13,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:13,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:13,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:13,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:13,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:13,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:13,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:13,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:13,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:13,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:13,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:13,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:49:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:13,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:13,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:13,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:49:13,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:13,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 12:49:13,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:49:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:13,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:13,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:13,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:13,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:13,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:49:13,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:13,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 12:49:13,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:13,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:13,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:49:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:13,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:13,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:13,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:13,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:49:13,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:13,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 12:49:13,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:13,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:13,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:49:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:13,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:13,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:13,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:13,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:13,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:49:13,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:13,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:49:13,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:49:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:14,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:49:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:14,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:14,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:14,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:49:14,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:14,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:49:14,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:14,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:14,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:49:14,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:14,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:14,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:14,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:14,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:14,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:49:14,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:14,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:14,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:14,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:14,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:14,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:14,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:14,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:14,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:14,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:14,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:14,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:14,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:14,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:14,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:14,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:14,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:14,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:14,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:14,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:14,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:14,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:14,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:14,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:14,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:14,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:14,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 12:49:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:14,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:14,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:14,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:14,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:14,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:14,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:14,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:14,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:14,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:14,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:14,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:49:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:14,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:14,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:14,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:14,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:14,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:14,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:14,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:14,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:14,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:14,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:14,094 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 12:49:14,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608662262] [2020-10-13 12:49:14,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:49:14,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:49:14,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314595397] [2020-10-13 12:49:14,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:49:14,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:14,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:49:14,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:49:14,098 INFO L87 Difference]: Start difference. First operand 225 states and 267 transitions. Second operand 7 states. [2020-10-13 12:49:14,987 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:15,279 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:15,520 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:16,360 INFO L93 Difference]: Finished difference Result 471 states and 600 transitions. [2020-10-13 12:49:16,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:49:16,360 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2020-10-13 12:49:16,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:16,363 INFO L225 Difference]: With dead ends: 471 [2020-10-13 12:49:16,363 INFO L226 Difference]: Without dead ends: 270 [2020-10-13 12:49:16,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:49:16,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-13 12:49:16,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 229. [2020-10-13 12:49:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-10-13 12:49:16,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 271 transitions. [2020-10-13 12:49:16,412 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 271 transitions. Word has length 95 [2020-10-13 12:49:16,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:16,412 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 271 transitions. [2020-10-13 12:49:16,413 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:49:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 271 transitions. [2020-10-13 12:49:16,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 12:49:16,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:16,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:49:16,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:49:16,414 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:16,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:16,415 INFO L82 PathProgramCache]: Analyzing trace with hash 617685353, now seen corresponding path program 1 times [2020-10-13 12:49:16,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:16,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716493355] [2020-10-13 12:49:16,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:16,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:16,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:17,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:17,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:17,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 12:49:17,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:49:17,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1319 [2020-10-13 12:49:17,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 12:49:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 12:49:17,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,000 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:49:18,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:18,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 12:49:18,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:18,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:18,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:18,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:18,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:18,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:18,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:18,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:18,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:18,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:18,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:18,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:18,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:18,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:18,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:18,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:49:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:49:18,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:49:18,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:18,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:49:18,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:49:18,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:49:18,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:49:18,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:18,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:49:18,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:49:18,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:18,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:49:18,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:49:18,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:18,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:49:18,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:49:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:49:18,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:49:18,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:49:18,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:18,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:49:18,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:18,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:18,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:18,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:18,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:18,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:18,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:18,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:18,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:18,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 12:49:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:18,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:18,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:18,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:18,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:18,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:49:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:18,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:18,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:18,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:18,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:18,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:18,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:18,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:18,216 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 12:49:18,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [716493355] [2020-10-13 12:49:18,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:49:18,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:49:18,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807904596] [2020-10-13 12:49:18,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:49:18,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:18,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:49:18,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:49:18,219 INFO L87 Difference]: Start difference. First operand 229 states and 271 transitions. Second operand 8 states. [2020-10-13 12:49:18,763 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:49:19,445 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:49:19,783 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:49:20,084 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:49:20,346 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:49:22,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:22,034 INFO L93 Difference]: Finished difference Result 606 states and 809 transitions. [2020-10-13 12:49:22,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 12:49:22,035 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-13 12:49:22,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:22,040 INFO L225 Difference]: With dead ends: 606 [2020-10-13 12:49:22,040 INFO L226 Difference]: Without dead ends: 401 [2020-10-13 12:49:22,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:49:22,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-13 12:49:22,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 342. [2020-10-13 12:49:22,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-10-13 12:49:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 420 transitions. [2020-10-13 12:49:22,105 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 420 transitions. Word has length 95 [2020-10-13 12:49:22,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:22,106 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 420 transitions. [2020-10-13 12:49:22,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:49:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 420 transitions. [2020-10-13 12:49:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-13 12:49:22,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:22,108 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:49:22,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:49:22,109 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:22,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:22,109 INFO L82 PathProgramCache]: Analyzing trace with hash -539152300, now seen corresponding path program 1 times [2020-10-13 12:49:22,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:22,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335625002] [2020-10-13 12:49:22,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:22,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:22,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:22,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:22,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:26,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:26,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-13 12:49:26,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:49:26,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4565 [2020-10-13 12:49:26,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:49:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 12:49:26,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:26,925 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:49:26,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:26,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:26,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:26,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:26,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:26,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 12:49:26,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:26,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:26,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:26,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:49:26,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:27,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:27,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:49:27,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:27,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:27,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:49:27,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:27,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:27,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:27,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:27,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:27,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:27,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:49:27,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:49:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:49:27,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:49:27,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:49:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 12:49:27,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:49:27,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:49:27,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:49:27,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 12:49:27,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:49:27,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:49:27,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:49:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:49:27,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:27,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:49:27,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:49:27,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:27,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:49:27,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:49:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:49:27,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:27,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:49:27,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:49:27,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:27,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:27,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:27,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:49:27,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:27,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:27,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:27,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:27,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:27,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:27,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:49:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:49:27,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:49:27,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:49:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:27,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:27,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:27,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:27,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:27,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:27,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:27,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 12:49:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:27,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:27,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:27,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:27,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:27,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:27,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 12:49:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:27,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:27,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:27,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 12:49:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:27,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:27,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:27,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:27,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:27,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:27,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:27,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:27,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:49:27,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335625002] [2020-10-13 12:49:27,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:49:27,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:49:27,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225017803] [2020-10-13 12:49:27,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:49:27,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:27,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:49:27,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:49:27,365 INFO L87 Difference]: Start difference. First operand 342 states and 420 transitions. Second operand 9 states. [2020-10-13 12:49:27,898 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:49:28,631 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-10-13 12:49:30,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:30,868 INFO L93 Difference]: Finished difference Result 846 states and 1078 transitions. [2020-10-13 12:49:30,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 12:49:30,869 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 123 [2020-10-13 12:49:30,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:30,874 INFO L225 Difference]: With dead ends: 846 [2020-10-13 12:49:30,874 INFO L226 Difference]: Without dead ends: 528 [2020-10-13 12:49:30,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-13 12:49:30,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-13 12:49:30,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 475. [2020-10-13 12:49:30,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-13 12:49:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 575 transitions. [2020-10-13 12:49:30,972 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 575 transitions. Word has length 123 [2020-10-13 12:49:30,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:30,972 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 575 transitions. [2020-10-13 12:49:30,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:49:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 575 transitions. [2020-10-13 12:49:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 12:49:30,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:30,975 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 12:49:30,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:49:30,975 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:30,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:30,976 INFO L82 PathProgramCache]: Analyzing trace with hash -961036007, now seen corresponding path program 1 times [2020-10-13 12:49:30,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:30,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [3075457] [2020-10-13 12:49:30,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:31,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:31,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:31,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:31,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:31,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:31,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:32,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-13 12:49:36,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 12:49:36,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 12:49:36,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:36,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 12:49:36,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:49:36,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:36,328 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:49:36,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 12:49:36,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:36,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:36,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:36,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:36,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:49:36,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:36,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:36,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:49:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:36,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:49:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 12:49:36,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:49:36,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:49:36,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:49:36,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:49:36,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:49:36,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:36,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 12:49:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:36,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:36,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 12:49:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:49:36,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:49:36,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 12:49:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 12:49:36,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:49:36,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:49:36,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:36,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 12:49:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:49:36,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:49:36,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:49:36,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:36,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:36,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:49:36,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:36,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:36,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:49:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:49:36,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:36,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:36,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:49:36,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:36,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:36,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:36,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:49:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:49:36,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:49:36,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:49:36,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:36,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 12:49:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:36,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:36,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 12:49:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:36,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 12:49:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:36,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:36,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:36,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:36,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:36,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:36,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:36,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:36,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 12:49:36,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [3075457] [2020-10-13 12:49:36,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:49:36,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 12:49:36,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240898457] [2020-10-13 12:49:36,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:49:36,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:36,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:49:36,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:49:36,736 INFO L87 Difference]: Start difference. First operand 475 states and 575 transitions. Second operand 8 states. [2020-10-13 12:49:37,163 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:37,734 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:49:39,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:39,042 INFO L93 Difference]: Finished difference Result 1128 states and 1411 transitions. [2020-10-13 12:49:39,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 12:49:39,044 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-10-13 12:49:39,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:39,048 INFO L225 Difference]: With dead ends: 1128 [2020-10-13 12:49:39,049 INFO L226 Difference]: Without dead ends: 677 [2020-10-13 12:49:39,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-13 12:49:39,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2020-10-13 12:49:39,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 598. [2020-10-13 12:49:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 12:49:39,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 712 transitions. [2020-10-13 12:49:39,194 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 712 transitions. Word has length 155 [2020-10-13 12:49:39,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:39,195 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 712 transitions. [2020-10-13 12:49:39,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:49:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 712 transitions. [2020-10-13 12:49:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 12:49:39,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:39,199 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:49:39,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:49:39,199 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:39,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:39,199 INFO L82 PathProgramCache]: Analyzing trace with hash 838725238, now seen corresponding path program 1 times [2020-10-13 12:49:39,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:39,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638374807] [2020-10-13 12:49:39,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:39,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:39,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:39,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:40,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-13 12:49:44,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:49:44,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 12:49:44,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:49:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 12:49:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-13 12:49:44,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,559 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:49:44,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 12:49:44,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:44,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:44,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 12:49:44,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:44,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:44,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:49:44,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:49:44,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:44,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:44,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:49:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:44,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:49:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:49:44,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:49:44,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:44,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:49:44,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:49:44,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 12:49:44,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:49:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:44,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:49:44,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:49:44,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:49:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:49:44,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:44,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:49:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:49:44,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:49:44,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:49:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:49:44,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:49:44,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:49:44,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:49:44,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:49:44,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:44,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:44,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:49:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:49:44,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:44,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:49:44,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:44,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:44,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 12:49:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:49:44,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:49:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:49:44,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 12:49:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:49:44,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 12:49:44,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:49:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:49:44,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:49:44,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:49:44,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:49:44,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:44,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:49:44,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:44,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:49:44,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:44,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:49:44,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:44,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:49:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:44,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:44,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:49:44,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:44,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:49:45,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:45,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:45,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:45,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:45,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:45,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:45,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:45,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:45,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 12:49:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:45,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:45,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:45,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:45,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:45,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:45,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:45,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:45,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 12:49:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:45,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:45,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:45,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:45,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:45,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:45,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:45,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:45,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:45,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 12:49:45,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638374807] [2020-10-13 12:49:45,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:49:45,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 12:49:45,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920172159] [2020-10-13 12:49:45,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 12:49:45,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:45,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 12:49:45,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:49:45,054 INFO L87 Difference]: Start difference. First operand 598 states and 712 transitions. Second operand 13 states. [2020-10-13 12:49:45,449 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:46,563 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:49:48,483 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-13 12:49:48,975 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-13 12:49:49,484 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-10-13 12:49:50,260 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:49:50,577 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:49:50,839 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:49:51,074 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:49:52,734 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-13 12:49:53,214 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-13 12:49:53,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:53,880 INFO L93 Difference]: Finished difference Result 1543 states and 1994 transitions. [2020-10-13 12:49:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-13 12:49:53,881 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 153 [2020-10-13 12:49:53,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:53,889 INFO L225 Difference]: With dead ends: 1543 [2020-10-13 12:49:53,889 INFO L226 Difference]: Without dead ends: 1129 [2020-10-13 12:49:53,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=298, Invalid=1034, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 12:49:53,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2020-10-13 12:49:54,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1006. [2020-10-13 12:49:54,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2020-10-13 12:49:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1219 transitions. [2020-10-13 12:49:54,132 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1219 transitions. Word has length 153 [2020-10-13 12:49:54,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:54,133 INFO L479 AbstractCegarLoop]: Abstraction has 1006 states and 1219 transitions. [2020-10-13 12:49:54,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 12:49:54,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1219 transitions. [2020-10-13 12:49:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 12:49:54,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:54,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:49:54,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:49:54,138 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:54,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:54,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1113484852, now seen corresponding path program 1 times [2020-10-13 12:49:54,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:54,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118472881] [2020-10-13 12:49:54,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:54,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:54,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:54,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:54,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-13 12:49:59,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:49:59,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 12:49:59,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 12:49:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:49:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:59,485 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:49:59,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:59,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:49:59,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:59,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:59,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:59,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:49:59,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:59,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:49:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:59,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:59,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:49:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:49:59,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:49:59,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:49:59,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:49:59,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:49:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:49:59,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:59,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:49:59,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:49:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:49:59,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:59,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:49:59,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:59,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:59,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:49:59,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:59,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:49:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:49:59,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:59,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:59,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 12:49:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:59,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 12:49:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:49:59,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:49:59,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 12:49:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:49:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:49:59,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:49:59,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:59,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:49:59,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:59,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:59,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:49:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:49:59,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:59,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:49:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:59,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 12:49:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:59,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 12:49:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:59,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:59,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:59,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:59,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:59,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:59,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:59,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:59,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:59,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:59,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 12:49:59,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118472881] [2020-10-13 12:49:59,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:49:59,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 12:49:59,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826943424] [2020-10-13 12:49:59,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 12:49:59,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:59,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 12:49:59,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:49:59,768 INFO L87 Difference]: Start difference. First operand 1006 states and 1219 transitions. Second operand 10 states. [2020-10-13 12:50:01,525 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:01,757 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:50:01,997 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:02,226 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:02,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:50:02,456 INFO L93 Difference]: Finished difference Result 1491 states and 1819 transitions. [2020-10-13 12:50:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 12:50:02,457 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 153 [2020-10-13 12:50:02,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:50:02,458 INFO L225 Difference]: With dead ends: 1491 [2020-10-13 12:50:02,458 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:50:02,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:50:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:50:02,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:50:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:50:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:50:02,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2020-10-13 12:50:02,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:50:02,464 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:50:02,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 12:50:02,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:50:02,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:50:02,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 12:50:02,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:50:03,728 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-10-13 12:50:04,233 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-10-13 12:50:05,780 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 231 [2020-10-13 12:50:06,580 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 231 [2020-10-13 12:50:07,087 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-10-13 12:50:07,406 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 235 [2020-10-13 12:50:08,127 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 233 [2020-10-13 12:50:09,095 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-13 12:50:09,551 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 20 [2020-10-13 12:50:09,702 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-13 12:50:09,868 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-10-13 12:50:10,533 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 26 [2020-10-13 12:50:11,020 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 18 [2020-10-13 12:50:11,194 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-13 12:50:11,337 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-10-13 12:50:11,515 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-10-13 12:50:12,130 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 18 [2020-10-13 12:50:12,309 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-10-13 12:50:12,814 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2020-10-13 12:50:13,030 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:50:13,748 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 26 [2020-10-13 12:50:13,873 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-13 12:50:14,680 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 20 [2020-10-13 12:50:14,823 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-13 12:50:15,602 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-10-13 12:50:15,760 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-13 12:50:16,215 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-10-13 12:50:16,799 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 26 [2020-10-13 12:50:17,562 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 19 [2020-10-13 12:50:17,698 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-13 12:50:18,040 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-13 12:50:18,216 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 15 [2020-10-13 12:50:18,393 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-10-13 12:50:18,798 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 10 [2020-10-13 12:50:19,414 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 26 [2020-10-13 12:50:19,610 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-13 12:50:19,722 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-10-13 12:50:19,896 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-10-13 12:50:20,482 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 26 [2020-10-13 12:50:20,903 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-10-13 12:50:21,352 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-10-13 12:50:21,807 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 26 [2020-10-13 12:50:21,963 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-13 12:50:22,141 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-10-13 12:50:22,332 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 15 [2020-10-13 12:50:22,770 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-10-13 12:50:22,881 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-10-13 12:50:23,012 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-13 12:50:23,339 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-13 12:50:23,553 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-10-13 12:50:23,840 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 9 [2020-10-13 12:50:24,018 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-10-13 12:50:24,451 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 26 [2020-10-13 12:50:25,095 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 15 [2020-10-13 12:50:25,980 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 31 [2020-10-13 12:50:26,786 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2020-10-13 12:50:27,255 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 15 [2020-10-13 12:50:27,274 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-10-13 12:50:27,274 INFO L268 CegarLoopResult]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2020-10-13 12:50:27,274 INFO L268 CegarLoopResult]: For program point L278(lines 255 279) no Hoare annotation was computed. [2020-10-13 12:50:27,274 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2020-10-13 12:50:27,274 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2020-10-13 12:50:27,274 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-10-13 12:50:27,275 INFO L268 CegarLoopResult]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2020-10-13 12:50:27,275 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2020-10-13 12:50:27,275 INFO L268 CegarLoopResult]: For program point L319(lines 319 323) no Hoare annotation was computed. [2020-10-13 12:50:27,275 INFO L268 CegarLoopResult]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2020-10-13 12:50:27,275 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-10-13 12:50:27,275 INFO L268 CegarLoopResult]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2020-10-13 12:50:27,275 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2020-10-13 12:50:27,275 INFO L268 CegarLoopResult]: For program point L339(lines 312 340) no Hoare annotation was computed. [2020-10-13 12:50:27,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2020-10-13 12:50:27,276 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-10-13 12:50:27,276 INFO L268 CegarLoopResult]: For program point L332-1(line 332) no Hoare annotation was computed. [2020-10-13 12:50:27,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2020-10-13 12:50:27,276 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-10-13 12:50:27,276 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-10-13 12:50:27,277 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-10-13 12:50:27,277 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-10-13 12:50:27,277 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-10-13 12:50:27,277 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2020-10-13 12:50:27,277 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2020-10-13 12:50:27,278 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (and (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0))) (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)))) [2020-10-13 12:50:27,278 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-10-13 12:50:27,278 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) .cse0) (or (= 0 ~systemActive~0) .cse0))) [2020-10-13 12:50:27,278 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-10-13 12:50:27,278 INFO L268 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-10-13 12:50:27,278 INFO L268 CegarLoopResult]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2020-10-13 12:50:27,279 INFO L271 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: true [2020-10-13 12:50:27,279 INFO L268 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-10-13 12:50:27,279 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:27,279 INFO L264 CegarLoopResult]: At program point L161-1(line 161) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:27,279 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 155 177) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:27,279 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2020-10-13 12:50:27,280 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2020-10-13 12:50:27,280 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:27,280 INFO L264 CegarLoopResult]: At program point L167-1(line 167) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:27,280 INFO L268 CegarLoopResult]: For program point L165(lines 165 172) no Hoare annotation was computed. [2020-10-13 12:50:27,280 INFO L268 CegarLoopResult]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2020-10-13 12:50:27,280 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-13 12:50:27,281 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 12:50:27,282 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 12:50:27,282 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-13 12:50:27,282 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 12:50:27,282 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-13 12:50:27,282 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 12:50:27,282 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 806 820) no Hoare annotation was computed. [2020-10-13 12:50:27,282 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) (or (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)))) [2020-10-13 12:50:27,282 INFO L268 CegarLoopResult]: For program point L810(lines 810 816) no Hoare annotation was computed. [2020-10-13 12:50:27,282 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 806 820) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~systemActive~0)| 0) .cse0 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:50:27,282 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 806 820) no Hoare annotation was computed. [2020-10-13 12:50:27,282 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L271 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: true [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point L751(lines 751 759) no Hoare annotation was computed. [2020-10-13 12:50:27,283 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 732 767) no Hoare annotation was computed. [2020-10-13 12:50:27,284 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2020-10-13 12:50:27,284 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 732 767) no Hoare annotation was computed. [2020-10-13 12:50:27,284 INFO L268 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-10-13 12:50:27,284 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 732 767) no Hoare annotation was computed. [2020-10-13 12:50:27,284 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-10-13 12:50:27,284 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-10-13 12:50:27,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2020-10-13 12:50:27,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2020-10-13 12:50:27,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2020-10-13 12:50:27,284 INFO L268 CegarLoopResult]: For program point L512(lines 512 532) no Hoare annotation was computed. [2020-10-13 12:50:27,285 INFO L268 CegarLoopResult]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2020-10-13 12:50:27,285 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2020-10-13 12:50:27,285 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2020-10-13 12:50:27,285 INFO L268 CegarLoopResult]: For program point L518(lines 518 525) no Hoare annotation was computed. [2020-10-13 12:50:27,285 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2020-10-13 12:50:27,285 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 145 154) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:27,285 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2020-10-13 12:50:27,285 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2020-10-13 12:50:27,285 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2020-10-13 12:50:27,285 INFO L271 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: true [2020-10-13 12:50:27,285 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-10-13 12:50:27,286 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2020-10-13 12:50:27,286 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2020-10-13 12:50:27,286 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 0)) [2020-10-13 12:50:27,286 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2020-10-13 12:50:27,286 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2020-10-13 12:50:27,286 INFO L268 CegarLoopResult]: For program point L982(lines 982 988) no Hoare annotation was computed. [2020-10-13 12:50:27,286 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 978 991) no Hoare annotation was computed. [2020-10-13 12:50:27,286 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 978 991) the Hoare annotation is: true [2020-10-13 12:50:27,286 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 978 991) no Hoare annotation was computed. [2020-10-13 12:50:27,286 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (and .cse1 (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (= ~waterLevel~0 0)) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:50:27,286 INFO L268 CegarLoopResult]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2020-10-13 12:50:27,286 INFO L264 CegarLoopResult]: At program point L667(line 667) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (= ~waterLevel~0 0)))) [2020-10-13 12:50:27,287 INFO L264 CegarLoopResult]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (= ~waterLevel~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~6))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0))) [2020-10-13 12:50:27,287 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2020-10-13 12:50:27,287 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-10-13 12:50:27,287 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~waterLevel~0 0)))) [2020-10-13 12:50:27,287 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 0)))) [2020-10-13 12:50:27,287 INFO L268 CegarLoopResult]: For program point L659-1(line 659) no Hoare annotation was computed. [2020-10-13 12:50:27,287 INFO L268 CegarLoopResult]: For program point L657(lines 657 674) no Hoare annotation was computed. [2020-10-13 12:50:27,287 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2020-10-13 12:50:27,287 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2020-10-13 12:50:27,287 INFO L264 CegarLoopResult]: At program point testENTRY(lines 830 897) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:50:27,287 INFO L264 CegarLoopResult]: At program point L890(lines 839 891) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:50:27,287 INFO L268 CegarLoopResult]: For program point testFINAL(lines 830 897) no Hoare annotation was computed. [2020-10-13 12:50:27,288 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (and .cse0 (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)))) [2020-10-13 12:50:27,288 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-10-13 12:50:27,288 INFO L264 CegarLoopResult]: At program point L878-1(lines 870 885) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (and .cse0 (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)))) [2020-10-13 12:50:27,288 INFO L268 CegarLoopResult]: For program point L841(lines 840 889) no Hoare annotation was computed. [2020-10-13 12:50:27,288 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (and .cse0 (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)))) [2020-10-13 12:50:27,288 INFO L268 CegarLoopResult]: For program point L870(lines 870 885) no Hoare annotation was computed. [2020-10-13 12:50:27,288 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (and .cse0 (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)))) [2020-10-13 12:50:27,288 INFO L268 CegarLoopResult]: For program point L860(lines 860 866) no Hoare annotation was computed. [2020-10-13 12:50:27,288 INFO L268 CegarLoopResult]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2020-10-13 12:50:27,288 INFO L264 CegarLoopResult]: At program point L887(lines 840 889) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (and .cse0 (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)))) [2020-10-13 12:50:27,289 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)) (and .cse0 (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)))) [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point L842(lines 842 846) no Hoare annotation was computed. [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point testEXIT(lines 830 897) no Hoare annotation was computed. [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point L472(lines 472 479) no Hoare annotation was computed. [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point L466(lines 466 486) no Hoare annotation was computed. [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2020-10-13 12:50:27,289 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:50:27,289 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2020-10-13 12:50:27,290 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2020-10-13 12:50:27,290 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 992 1000) no Hoare annotation was computed. [2020-10-13 12:50:27,290 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 992 1000) the Hoare annotation is: true [2020-10-13 12:50:27,290 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 992 1000) no Hoare annotation was computed. [2020-10-13 12:50:27,290 INFO L268 CegarLoopResult]: For program point L954(lines 954 962) no Hoare annotation was computed. [2020-10-13 12:50:27,290 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 946 968) no Hoare annotation was computed. [2020-10-13 12:50:27,290 INFO L268 CegarLoopResult]: For program point L954-2(lines 954 962) no Hoare annotation was computed. [2020-10-13 12:50:27,290 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 946 968) no Hoare annotation was computed. [2020-10-13 12:50:27,290 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 946 968) no Hoare annotation was computed. [2020-10-13 12:50:27,290 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:50:27,291 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:50:27,291 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:50:27,291 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2020-10-13 12:50:27,291 INFO L268 CegarLoopResult]: For program point L378(lines 378 394) no Hoare annotation was computed. [2020-10-13 12:50:27,291 INFO L268 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-10-13 12:50:27,291 INFO L268 CegarLoopResult]: For program point L399(lines 398 418) no Hoare annotation was computed. [2020-10-13 12:50:27,291 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-13 12:50:27,291 INFO L268 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-10-13 12:50:27,291 INFO L268 CegarLoopResult]: For program point L395(lines 395 436) no Hoare annotation was computed. [2020-10-13 12:50:27,292 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2020-10-13 12:50:27,292 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-10-13 12:50:27,292 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-10-13 12:50:27,292 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-10-13 12:50:27,292 INFO L268 CegarLoopResult]: For program point L437(lines 437 448) no Hoare annotation was computed. [2020-10-13 12:50:27,292 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2020-10-13 12:50:27,292 INFO L268 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-10-13 12:50:27,292 INFO L268 CegarLoopResult]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2020-10-13 12:50:27,292 INFO L268 CegarLoopResult]: For program point L419(lines 397 420) no Hoare annotation was computed. [2020-10-13 12:50:27,293 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:50:27,293 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#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~string34.offset| |old(#t~string34.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string74.base| |old(#t~string74.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~string24.base| |old(#t~string24.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:50:27,293 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:50:27,293 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2020-10-13 12:50:27,293 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:50:27,293 INFO L268 CegarLoopResult]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2020-10-13 12:50:27,294 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:50:27,294 INFO L268 CegarLoopResult]: For program point L694(lines 694 700) no Hoare annotation was computed. [2020-10-13 12:50:27,294 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:50:27,294 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-10-13 12:50:27,294 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 969 977) the Hoare annotation is: true [2020-10-13 12:50:27,294 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 969 977) no Hoare annotation was computed. [2020-10-13 12:50:27,294 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 969 977) no Hoare annotation was computed. [2020-10-13 12:50:27,294 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2020-10-13 12:50:27,295 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-10-13 12:50:27,295 INFO L271 CegarLoopResult]: At program point L775(line 775) the Hoare annotation is: true [2020-10-13 12:50:27,295 INFO L268 CegarLoopResult]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2020-10-13 12:50:27,295 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-10-13 12:50:27,295 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2020-10-13 12:50:27,295 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2020-10-13 12:50:27,295 INFO L268 CegarLoopResult]: For program point L929-1(lines 925 936) no Hoare annotation was computed. [2020-10-13 12:50:27,295 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 925 936) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (= 0 ~systemActive~0) .cse0 (not (<= 2 ~waterLevel~0))) (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) .cse0))) [2020-10-13 12:50:27,295 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 925 936) no Hoare annotation was computed. [2020-10-13 12:50:27,296 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:50:27,296 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:50:27,296 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:50:27,296 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or (and .cse0 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse2 .cse3 (not .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse2 .cse3))) [2020-10-13 12:50:27,296 INFO L264 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse0 (<= 2 |old(~waterLevel~0)|)) (.cse5 (not (<= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (let ((.cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not .cse0) .cse1 (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0) .cse2) (and (<= 2 ~waterLevel~0) .cse2))) (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse3 .cse4) .cse5 .cse6 (and .cse3 .cse0))) (or .cse5 .cse6 .cse4 (not .cse1)))) [2020-10-13 12:50:27,296 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0))) [2020-10-13 12:50:27,296 INFO L268 CegarLoopResult]: For program point L599(lines 598 617) no Hoare annotation was computed. [2020-10-13 12:50:27,297 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)))) [2020-10-13 12:50:27,297 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2020-10-13 12:50:27,297 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2020-10-13 12:50:27,297 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2020-10-13 12:50:27,297 INFO L268 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-10-13 12:50:27,297 INFO L271 CegarLoopResult]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2020-10-13 12:50:27,297 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2020-10-13 12:50:27,297 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 12:50:27,297 INFO L271 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2020-10-13 12:50:27,298 INFO L271 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: true [2020-10-13 12:50:27,298 INFO L268 CegarLoopResult]: For program point L86-1(line 86) no Hoare annotation was computed. [2020-10-13 12:50:27,298 INFO L271 CegarLoopResult]: At program point L105(lines 80 109) the Hoare annotation is: true [2020-10-13 12:50:27,298 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-13 12:50:27,298 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 937 945) the Hoare annotation is: true [2020-10-13 12:50:27,298 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 937 945) no Hoare annotation was computed. [2020-10-13 12:50:27,298 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 937 945) no Hoare annotation was computed. [2020-10-13 12:50:27,298 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 901 912) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2020-10-13 12:50:27,299 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 901 912) no Hoare annotation was computed. [2020-10-13 12:50:27,299 INFO L268 CegarLoopResult]: For program point L905-1(lines 901 912) no Hoare annotation was computed. [2020-10-13 12:50:27,299 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2020-10-13 12:50:27,299 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2020-10-13 12:50:27,299 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:50:27,299 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:50:27,299 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:50:27,299 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:50:27,299 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 821 828) no Hoare annotation was computed. [2020-10-13 12:50:27,300 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 821 828) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0))) (or .cse0 (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))))) [2020-10-13 12:50:27,300 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 821 828) no Hoare annotation was computed. [2020-10-13 12:50:27,300 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= processEnvironment__wrappee__highWaterSensor_~tmp~5 0) (<= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-13 12:50:27,300 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:50:27,300 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0)) [2020-10-13 12:50:27,300 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2020-10-13 12:50:27,300 INFO L268 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2020-10-13 12:50:27,300 INFO L264 CegarLoopResult]: At program point L633(line 633) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:50:27,301 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-10-13 12:50:27,301 INFO L268 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2020-10-13 12:50:27,301 INFO L264 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-13 12:50:27,301 INFO L268 CegarLoopResult]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2020-10-13 12:50:27,301 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 913 924) no Hoare annotation was computed. [2020-10-13 12:50:27,301 INFO L268 CegarLoopResult]: For program point L917-1(lines 913 924) no Hoare annotation was computed. [2020-10-13 12:50:27,301 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 913 924) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)))) [2020-10-13 12:50:27,301 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2020-10-13 12:50:27,302 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2020-10-13 12:50:27,302 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2020-10-13 12:50:27,302 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2020-10-13 12:50:27,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:50:27 BoogieIcfgContainer [2020-10-13 12:50:27,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:50:27,322 INFO L168 Benchmark]: Toolchain (without parser) took 104262.34 ms. Allocated memory was 147.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 103.0 MB in the beginning and 765.9 MB in the end (delta: -662.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-13 12:50:27,322 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:50:27,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.24 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 102.8 MB in the beginning and 169.6 MB in the end (delta: -66.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:27,324 INFO L168 Benchmark]: Boogie Preprocessor took 93.97 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:27,324 INFO L168 Benchmark]: RCFGBuilder took 1187.91 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.6 MB in the beginning and 187.5 MB in the end (delta: -21.8 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:50:27,325 INFO L168 Benchmark]: TraceAbstraction took 102259.66 ms. Allocated memory was 234.9 MB in the beginning and 1.2 GB in the end (delta: 954.7 MB). Free memory was 187.5 MB in the beginning and 765.9 MB in the end (delta: -578.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-13 12:50:27,327 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.24 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 102.8 MB in the beginning and 169.6 MB in the end (delta: -66.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.97 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1187.91 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.6 MB in the beginning and 187.5 MB in the end (delta: -21.8 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 102259.66 ms. Allocated memory was 234.9 MB in the beginning and 1.2 GB in the end (delta: 954.7 MB). Free memory was 187.5 MB in the beginning and 765.9 MB in the end (delta: -578.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 840]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) <= 0) || !(\old(waterLevel) == 1)) || \old(systemActive) == 0) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && !(0 == systemActive)) && 2 <= waterLevel)) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) <= 0) || !(\old(waterLevel) == 1)) || \old(systemActive) == 0) || !(0 <= \old(pumpRunning)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 77.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 32.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1574 SDtfs, 2971 SDslu, 1473 SDs, 0 SdLazy, 7590 SolverSat, 2113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 479 GetRequests, 343 SyntacticMatches, 13 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1006occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 485 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1536 PreInvPairs, 1649 NumberOfFragments, 1344 HoareAnnotationTreeSize, 1536 FomulaSimplifications, 9389414 FormulaSimplificationTreeSizeReduction, 6.1s HoareSimplificationTime, 69 FomulaSimplificationsInter, 141575 FormulaSimplificationTreeSizeReductionInter, 18.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 43.0s InterpolantComputationTime, 1014 NumberOfCodeBlocks, 1014 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1004 ConstructedInterpolants, 0 QuantifiedInterpolants, 365990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 137/146 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...