/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_spec3_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:43:50,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:43:50,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:43:50,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:43:50,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:43:50,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:43:50,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:43:50,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:43:50,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:43:50,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:43:50,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:43:50,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:43:50,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:43:50,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:43:50,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:43:50,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:43:50,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:43:50,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:43:50,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:43:50,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:43:50,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:43:50,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:43:50,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:43:50,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:43:50,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:43:50,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:43:50,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:43:50,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:43:50,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:43:50,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:43:50,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:43:50,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:43:50,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:43:50,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:43:50,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:43:50,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:43:50,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:43:50,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:43:50,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:43:50,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:43:50,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:43:50,803 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 12:43:50,824 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:43:50,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:43:50,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:43:50,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:43:50,826 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:43:50,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:43:50,827 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:43:50,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:43:50,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:43:50,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:43:50,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:43:50,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:43:50,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:43:50,828 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:43:50,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:43:50,828 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:43:50,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:43:50,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:43:50,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:43:50,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:43:50,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:43:50,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:43:50,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:43:50,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:43:50,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:43:50,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:43:50,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:43:50,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:43:50,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:43:50,831 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 12:43:51,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:43:51,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:43:51,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:43:51,157 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:43:51,158 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:43:51,159 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2020-10-13 12:43:51,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6948359f3/4cdb69b71d834252870e2e2947f4e30a/FLAG7074f556b [2020-10-13 12:43:51,730 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:43:51,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2020-10-13 12:43:51,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6948359f3/4cdb69b71d834252870e2e2947f4e30a/FLAG7074f556b [2020-10-13 12:43:52,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6948359f3/4cdb69b71d834252870e2e2947f4e30a [2020-10-13 12:43:52,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:43:52,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:43:52,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:43:52,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:43:52,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:43:52,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:43:52" (1/1) ... [2020-10-13 12:43:52,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8bcff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52, skipping insertion in model container [2020-10-13 12:43:52,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:43:52" (1/1) ... [2020-10-13 12:43:52,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:43:52,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:43:52,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:43:52,554 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:43:52,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:43:52,733 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:43:52,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52 WrapperNode [2020-10-13 12:43:52,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:43:52,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:43:52,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:43:52,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:43:52,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52" (1/1) ... [2020-10-13 12:43:52,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52" (1/1) ... [2020-10-13 12:43:52,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52" (1/1) ... [2020-10-13 12:43:52,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52" (1/1) ... [2020-10-13 12:43:52,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52" (1/1) ... [2020-10-13 12:43:52,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52" (1/1) ... [2020-10-13 12:43:52,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52" (1/1) ... [2020-10-13 12:43:52,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:43:52,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:43:52,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:43:52,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:43:52,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:43:52,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:43:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:43:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:43:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:43:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:43:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:43:52,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:43:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:43:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:43:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:43:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:43:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:43:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:43:52,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:43:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:43:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:43:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:43:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:43:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:43:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:43:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:43:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-13 12:43:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:43:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:43:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:43:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:43:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:43:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:43:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:43:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:43:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:43:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:43:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:43:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:43:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:43:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:43:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:43:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:43:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:43:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:43:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:43:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:43:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:43:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:43:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:43:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:43:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:43:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:43:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:43:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:43:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:43:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:43:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:43:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:43:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:43:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:43:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:43:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:43:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:43:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:43:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:43:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:43:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:43:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:43:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:43:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:43:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:43:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:43:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:43:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:43:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:43:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:43:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:43:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:43:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:43:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-13 12:43:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:43:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:43:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:43:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:43:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:43:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:43:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:43:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:43:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:43:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:43:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:43:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:43:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:43:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:43:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:43:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:43:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:43:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:43:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:43:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:43:54,173 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:43:54,173 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:43:54,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:43:54 BoogieIcfgContainer [2020-10-13 12:43:54,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:43:54,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:43:54,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:43:54,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:43:54,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:43:52" (1/3) ... [2020-10-13 12:43:54,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301720f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:43:54, skipping insertion in model container [2020-10-13 12:43:54,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:52" (2/3) ... [2020-10-13 12:43:54,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301720f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:43:54, skipping insertion in model container [2020-10-13 12:43:54,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:43:54" (3/3) ... [2020-10-13 12:43:54,187 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2020-10-13 12:43:54,198 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:43:54,207 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:43:54,222 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:43:54,248 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:43:54,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:43:54,249 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:43:54,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:43:54,250 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:43:54,250 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:43:54,250 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:43:54,250 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:43:54,273 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-10-13 12:43:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:43:54,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:54,286 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 12:43:54,286 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:54,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:54,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1038310593, now seen corresponding path program 1 times [2020-10-13 12:43:54,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:54,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066858770] [2020-10-13 12:43:54,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:54,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:54,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:55,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:56,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:56,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 12:43:56,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:43:56,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2183 [2020-10-13 12:43:56,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:43:56,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:56,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 12:43:57,279 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:43:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:43:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:57,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:57,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:57,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:57,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:57,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 12:43:57,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:57,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:43:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:57,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:57,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:57,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:57,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:57,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:57,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:57,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:43:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:57,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:57,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:57,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:57,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:57,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:57,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:57,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:57,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:57,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:57,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:43:57,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:43:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:57,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:57,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:57,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:57,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:57,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:57,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:57,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:57,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:43:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:57,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:57,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:57,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:43:57,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:57,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:43:57,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:43:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:57,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:57,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:43:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:57,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:57,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:57,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:57,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:57,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:57,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:57,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:57,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:57,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:57,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:57,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:43:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:57,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:57,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:57,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:57,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:57,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:43:57,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:57,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:57,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:43:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:57,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:57,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:43:57,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:43:57,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:43:57,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:43:57,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:43:57,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:43:57,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:43:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:43:57,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:43:57,435 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 12:43:57,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066858770] [2020-10-13 12:43:57,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:43:57,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:43:57,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103948090] [2020-10-13 12:43:57,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:43:57,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:43:57,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:43:57,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:43:57,465 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 3 states. [2020-10-13 12:43:58,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:43:58,790 INFO L93 Difference]: Finished difference Result 335 states and 432 transitions. [2020-10-13 12:43:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:43:58,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-10-13 12:43:58,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:43:58,809 INFO L225 Difference]: With dead ends: 335 [2020-10-13 12:43:58,809 INFO L226 Difference]: Without dead ends: 180 [2020-10-13 12:43:58,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:43:58,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-13 12:43:58,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 146. [2020-10-13 12:43:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-13 12:43:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2020-10-13 12:43:58,922 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 52 [2020-10-13 12:43:58,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:43:58,923 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2020-10-13 12:43:58,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:43:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2020-10-13 12:43:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-13 12:43:58,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:43:58,927 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] [2020-10-13 12:43:58,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:43:58,927 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:43:58,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:43:58,928 INFO L82 PathProgramCache]: Analyzing trace with hash 2043760100, now seen corresponding path program 1 times [2020-10-13 12:43:58,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:43:58,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815785351] [2020-10-13 12:43:58,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:43:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:43:59,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:59,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:43:59,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:00,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:00,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 12:44:00,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:44:00,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1606 [2020-10-13 12:44:00,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:44:00,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:44:00,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:00,933 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:44:00,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:44:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:00,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:00,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:00,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:00,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:00,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 12:44:00,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:00,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:00,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:00,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:00,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:00,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:44:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:00,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:00,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:00,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:00,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:00,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:00,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:00,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:44:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:00,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:00,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:00,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:00,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:00,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:00,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:00,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:00,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:00,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:00,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:00,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:00,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:00,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:44:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:00,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:00,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:00,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:00,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:01,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:01,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:01,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:44:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:01,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:01,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:01,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:01,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:01,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:01,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:01,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:01,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:01,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:01,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:01,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:44:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:01,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:01,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:01,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:01,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:01,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:01,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:01,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:44:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:01,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:01,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:01,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:01,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:01,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:01,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:01,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:01,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:01,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:01,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:01,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:44:01,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815785351] [2020-10-13 12:44:01,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:44:01,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:44:01,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839203738] [2020-10-13 12:44:01,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:44:01,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:44:01,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:44:01,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:44:01,027 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 4 states. [2020-10-13 12:44:01,446 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:44:02,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:44:02,399 INFO L93 Difference]: Finished difference Result 268 states and 323 transitions. [2020-10-13 12:44:02,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:44:02,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-10-13 12:44:02,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:44:02,409 INFO L225 Difference]: With dead ends: 268 [2020-10-13 12:44:02,409 INFO L226 Difference]: Without dead ends: 164 [2020-10-13 12:44:02,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:44:02,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-13 12:44:02,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 137. [2020-10-13 12:44:02,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-13 12:44:02,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2020-10-13 12:44:02,480 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 53 [2020-10-13 12:44:02,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:44:02,480 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2020-10-13 12:44:02,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:44:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2020-10-13 12:44:02,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-13 12:44:02,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:44:02,490 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] [2020-10-13 12:44:02,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:44:02,490 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:44:02,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:44:02,491 INFO L82 PathProgramCache]: Analyzing trace with hash -69539003, now seen corresponding path program 1 times [2020-10-13 12:44:02,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:44:02,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585022603] [2020-10-13 12:44:02,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:44:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:02,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:02,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:03,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:03,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 12:44:03,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:44:03,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1178 [2020-10-13 12:44:03,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 12:44:03,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:04,057 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:44:04,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:44:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:04,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:04,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:04,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:04,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:04,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-13 12:44:04,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:04,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:04,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:44:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:04,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:44:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:04,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:04,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:04,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:04,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:04,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:04,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:04,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:04,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:04,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:44:04,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:04,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:44:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:04,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:04,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:04,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:04,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:04,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:04,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:44:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:04,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:04,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:04,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:04,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:04,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:04,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:04,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:04,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:04,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:44:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:04,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:04,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:04,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:04,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:04,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:04,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:04,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:04,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:04,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:44:04,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:04,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:44:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:04,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:04,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:04,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:04,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:04,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:04,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:04,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:04,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:04,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:04,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:04,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:44:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:04,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:04,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:04,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:04,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:04,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:04,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:04,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:04,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:04,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:04,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 12:44:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:04,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:04,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:04,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:04,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:04,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:04,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:04,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:04,313 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 12:44:04,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585022603] [2020-10-13 12:44:04,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:44:04,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:44:04,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632121024] [2020-10-13 12:44:04,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:44:04,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:44:04,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:44:04,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:44:04,316 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 4 states. [2020-10-13 12:44:04,622 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:44:05,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:44:05,483 INFO L93 Difference]: Finished difference Result 277 states and 337 transitions. [2020-10-13 12:44:05,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:44:05,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2020-10-13 12:44:05,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:44:05,489 INFO L225 Difference]: With dead ends: 277 [2020-10-13 12:44:05,489 INFO L226 Difference]: Without dead ends: 164 [2020-10-13 12:44:05,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:44:05,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-13 12:44:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 137. [2020-10-13 12:44:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-13 12:44:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2020-10-13 12:44:05,556 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 57 [2020-10-13 12:44:05,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:44:05,557 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2020-10-13 12:44:05,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:44:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2020-10-13 12:44:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-13 12:44:05,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:44:05,559 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] [2020-10-13 12:44:05,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:44:05,560 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:44:05,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:44:05,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1758854223, now seen corresponding path program 1 times [2020-10-13 12:44:05,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:44:05,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839692009] [2020-10-13 12:44:05,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:44:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:05,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:05,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:05,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:06,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:09,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:10,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:10,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-13 12:44:10,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:44:10,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 12:44:10,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-13 12:44:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:44:10,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:10,871 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:44:10,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:44:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:10,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:10,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:10,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:10,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:44:10,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:10,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:10,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:10,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:10,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:10,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:44:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:10,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:10,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:10,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:10,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:10,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:10,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:10,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:10,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:10,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:10,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:44:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:10,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:10,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:10,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:10,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:10,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:10,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:10,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:10,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:10,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:10,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:10,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:10,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:10,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:10,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:10,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:10,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:10,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:10,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:10,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:44:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:10,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:10,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:10,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:10,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:10,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:10,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:10,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:10,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:10,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:10,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:10,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 12:44:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:10,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:10,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:10,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 12:44:10,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:10,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:44:10,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:10,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:10,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 12:44:10,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:44:10,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:10,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:10,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:10,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:10,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:44:10,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:10,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:44:10,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:44:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:44:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:11,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:11,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:11,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:11,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:11,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:11,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:44:11,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:11,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:11,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:11,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:44:11,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:11,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:44:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:11,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:11,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:11,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:11,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:44:11,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:11,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:44:11,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 12:44:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:11,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:11,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:11,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:11,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:44:11,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:11,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 12:44:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:11,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:11,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:11,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:11,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:44:11,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:11,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:11,094 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 12:44:11,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839692009] [2020-10-13 12:44:11,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:44:11,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:44:11,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070900143] [2020-10-13 12:44:11,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:44:11,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:44:11,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:44:11,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:44:11,098 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand 7 states. [2020-10-13 12:44:11,384 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:44:12,509 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:44:13,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:44:13,351 INFO L93 Difference]: Finished difference Result 381 states and 467 transitions. [2020-10-13 12:44:13,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:44:13,352 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-10-13 12:44:13,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:44:13,355 INFO L225 Difference]: With dead ends: 381 [2020-10-13 12:44:13,356 INFO L226 Difference]: Without dead ends: 268 [2020-10-13 12:44:13,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:44:13,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-13 12:44:13,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 227. [2020-10-13 12:44:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-13 12:44:13,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2020-10-13 12:44:13,432 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 70 [2020-10-13 12:44:13,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:44:13,432 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2020-10-13 12:44:13,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:44:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2020-10-13 12:44:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 12:44:13,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:44:13,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:44:13,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:44:13,434 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:44:13,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:44:13,435 INFO L82 PathProgramCache]: Analyzing trace with hash 19039556, now seen corresponding path program 1 times [2020-10-13 12:44:13,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:44:13,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879886973] [2020-10-13 12:44:13,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:44:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:13,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:13,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:14,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:14,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 12:44:14,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:44:14,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1099 [2020-10-13 12:44:14,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:14,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:44:14,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-13 12:44:14,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 12:44:14,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:14,843 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:44:14,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:44:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:14,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:14,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:14,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:14,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:14,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 12:44:14,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:14,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:14,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:44:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:14,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:14,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:14,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:14,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:14,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:14,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:14,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:14,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:44:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:14,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:14,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:14,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:14,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:14,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:14,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:14,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:14,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:14,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:14,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:14,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:14,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:14,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:14,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:14,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:14,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:14,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:14,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:14,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:14,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:44:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:14,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:14,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:14,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:14,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:14,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:14,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:14,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:14,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 12:44:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:14,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:14,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:14,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 12:44:14,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:14,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:44:14,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:14,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:14,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:14,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:44:14,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:14,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:14,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:14,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:14,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:44:14,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:14,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:44:14,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:14,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:14,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:14,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:44:14,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:14,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:14,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:14,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:14,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:44:14,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:14,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:44:14,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:14,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:14,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:14,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:44:14,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:15,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:15,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:15,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:15,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:44:15,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:15,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:15,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:44:15,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:15,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:44:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:15,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:15,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:15,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:15,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:15,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:15,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:44:15,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:15,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 12:44:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:15,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:15,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:15,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:15,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:15,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:44:15,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:15,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:15,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 12:44:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:15,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:15,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:15,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:15,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:15,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:44:15,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:15,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:15,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 12:44:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:15,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:15,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:15,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:15,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:15,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:15,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:15,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:15,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:15,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:15,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:15,074 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 12:44:15,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1879886973] [2020-10-13 12:44:15,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:44:15,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:44:15,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410067426] [2020-10-13 12:44:15,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:44:15,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:44:15,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:44:15,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:44:15,079 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 8 states. [2020-10-13 12:44:15,454 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:44:17,059 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:17,318 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:44:17,562 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:44:17,785 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:44:18,122 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:19,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:44:19,261 INFO L93 Difference]: Finished difference Result 667 states and 842 transitions. [2020-10-13 12:44:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 12:44:19,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-13 12:44:19,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:44:19,267 INFO L225 Difference]: With dead ends: 667 [2020-10-13 12:44:19,267 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 12:44:19,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:44:19,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 12:44:19,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 416. [2020-10-13 12:44:19,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-13 12:44:19,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 490 transitions. [2020-10-13 12:44:19,347 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 490 transitions. Word has length 84 [2020-10-13 12:44:19,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:44:19,348 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 490 transitions. [2020-10-13 12:44:19,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:44:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 490 transitions. [2020-10-13 12:44:19,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-13 12:44:19,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:44:19,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:44:19,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:44:19,351 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:44:19,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:44:19,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2011268159, now seen corresponding path program 1 times [2020-10-13 12:44:19,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:44:19,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645084527] [2020-10-13 12:44:19,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:44:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 12:44:19,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-13 12:44:19,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:19,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 12:44:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:19,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:19,811 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:44:19,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:44:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:19,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:44:19,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:19,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:19,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:19,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:19,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:44:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:19,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:19,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:19,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:19,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:44:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:19,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:19,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:19,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:19,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:19,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:19,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:19,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:19,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:44:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:19,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:19,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:19,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:19,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:44:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:19,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:19,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:19,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:19,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:44:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 12:44:19,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:44:19,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:44:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:19,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:19,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:44:19,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:44:19,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:44:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:19,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:19,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:44:19,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:44:19,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:44:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:19,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:19,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:19,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:19,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:19,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:44:19,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:19,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:44:19,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:44:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:20,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:44:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:20,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:20,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:20,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:20,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:20,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:20,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:20,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:20,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 12:44:20,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:20,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:20,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 12:44:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:20,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:20,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:20,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:20,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:20,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:20,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 12:44:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:20,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:20,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:20,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:20,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:20,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:20,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:20,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:20,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:20,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:20,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:20,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 12:44:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:20,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:20,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:20,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:20,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:20,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:20,045 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 12:44:20,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645084527] [2020-10-13 12:44:20,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:44:20,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:44:20,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801556027] [2020-10-13 12:44:20,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:44:20,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:44:20,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:44:20,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:44:20,048 INFO L87 Difference]: Start difference. First operand 416 states and 490 transitions. Second operand 8 states. [2020-10-13 12:44:20,806 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:21,023 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:21,276 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:22,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:44:22,332 INFO L93 Difference]: Finished difference Result 886 states and 1102 transitions. [2020-10-13 12:44:22,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:44:22,334 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-10-13 12:44:22,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:44:22,339 INFO L225 Difference]: With dead ends: 886 [2020-10-13 12:44:22,339 INFO L226 Difference]: Without dead ends: 494 [2020-10-13 12:44:22,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:44:22,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-10-13 12:44:22,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 419. [2020-10-13 12:44:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-10-13 12:44:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 493 transitions. [2020-10-13 12:44:22,411 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 493 transitions. Word has length 88 [2020-10-13 12:44:22,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:44:22,411 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 493 transitions. [2020-10-13 12:44:22,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:44:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 493 transitions. [2020-10-13 12:44:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-13 12:44:22,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:44:22,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:44:22,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:44:22,414 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:44:22,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:44:22,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1167262657, now seen corresponding path program 1 times [2020-10-13 12:44:22,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:44:22,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1504994813] [2020-10-13 12:44:22,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:44:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:22,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:22,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:22,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 12:44:22,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:22,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-13 12:44:22,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:44:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 12:44:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:44:22,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:22,943 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:44:22,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:44:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:22,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:22,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:22,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:22,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:22,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:44:22,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:22,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:22,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:44:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:22,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:22,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:22,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:22,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:22,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:22,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:22,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:22,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:22,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:22,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:44:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:22,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:22,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:22,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:22,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:22,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:22,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:22,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:22,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:22,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:22,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:23,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:23,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:23,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:23,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:23,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:44:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:23,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:23,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:23,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:23,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:44:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:23,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:23,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:23,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:23,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:23,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:23,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:44:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 12:44:23,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:44:23,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:44:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:44:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:44:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:23,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:44:23,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 12:44:23,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:44:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:44:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:44:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:23,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:44:23,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:44:23,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:23,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:44:23,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:23,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:44:23,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:23,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:23,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:23,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:44:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:23,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:23,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:23,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 12:44:23,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:23,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:23,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 12:44:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:23,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:23,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:23,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:23,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 12:44:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:23,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:23,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:23,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:23,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 12:44:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:23,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:23,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:23,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:23,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:23,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:23,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:23,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:23,195 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 12:44:23,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1504994813] [2020-10-13 12:44:23,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:44:23,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:44:23,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667240936] [2020-10-13 12:44:23,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:44:23,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:44:23,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:44:23,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:44:23,198 INFO L87 Difference]: Start difference. First operand 419 states and 493 transitions. Second operand 9 states. [2020-10-13 12:44:23,981 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:24,209 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:44:24,451 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:44:24,661 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:44:25,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:44:25,752 INFO L93 Difference]: Finished difference Result 893 states and 1121 transitions. [2020-10-13 12:44:25,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 12:44:25,760 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-13 12:44:25,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:44:25,768 INFO L225 Difference]: With dead ends: 893 [2020-10-13 12:44:25,768 INFO L226 Difference]: Without dead ends: 498 [2020-10-13 12:44:25,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:44:25,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-13 12:44:25,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 421. [2020-10-13 12:44:25,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-13 12:44:25,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 495 transitions. [2020-10-13 12:44:25,872 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 495 transitions. Word has length 88 [2020-10-13 12:44:25,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:44:25,872 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 495 transitions. [2020-10-13 12:44:25,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:44:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 495 transitions. [2020-10-13 12:44:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-13 12:44:25,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:44:25,875 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:44:25,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:44:25,875 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:44:25,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:44:25,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1269276973, now seen corresponding path program 1 times [2020-10-13 12:44:25,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:44:25,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [505114520] [2020-10-13 12:44:25,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:44:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:25,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:26,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:28,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:28,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 12:44:28,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:44:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2744 [2020-10-13 12:44:28,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:44:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-13 12:44:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:44:28,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:28,905 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:44:28,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:44:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:28,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:28,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:28,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:28,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:44:28,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:28,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:28,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:44:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:28,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:28,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:28,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:28,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:28,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:28,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:28,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:28,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:28,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:28,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:28,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:44:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:28,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:28,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:28,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:28,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:28,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:28,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:28,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:28,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:28,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:28,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:28,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:28,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:28,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:28,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:28,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:28,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:28,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:28,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:28,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:44:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:28,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:28,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:28,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:28,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:28,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:28,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:28,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:28,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:28,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:28,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:28,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:44:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:28,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:28,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:28,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:28,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:28,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:28,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:28,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:28,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:28,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:28,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:44:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:28,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:29,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:29,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 12:44:29,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:29,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 12:44:29,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:44:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:29,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 12:44:29,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:29,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:29,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:29,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:29,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 12:44:29,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:29,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 12:44:29,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:44:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 12:44:29,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:29,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:29,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:29,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:29,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:44:29,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:29,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:29,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:29,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:29,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:29,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:29,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:29,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:29,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:29,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:29,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:44:29,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:29,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:29,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:29,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:29,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:29,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:29,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:29,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:44:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:29,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:29,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:29,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 12:44:29,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:44:29,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:44:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:44:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:29,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:29,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:29,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:29,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:44:29,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:44:29,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:44:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:44:29,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:29,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:29,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:29,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:29,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:29,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:29,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:29,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:44:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:44:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:29,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 12:44:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:29,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:29,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:29,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:29,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:29,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:44:29,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:29,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:29,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:29,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:29,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:29,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 12:44:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:29,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:29,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:29,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:29,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:29,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:29,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:29,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 12:44:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:29,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:29,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:29,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:29,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:29,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:29,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:29,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:44:29,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [505114520] [2020-10-13 12:44:29,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:44:29,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 12:44:29,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826556153] [2020-10-13 12:44:29,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 12:44:29,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:44:29,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 12:44:29,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:44:29,308 INFO L87 Difference]: Start difference. First operand 421 states and 495 transitions. Second operand 13 states. [2020-10-13 12:44:30,263 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:44:31,155 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:44:31,479 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:44:31,761 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:44:32,031 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:44:32,331 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:44:32,590 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:44:32,852 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:44:33,117 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:44:33,426 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 12:44:33,740 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:44:34,333 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:44:34,612 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 12:44:34,897 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 12:44:37,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:44:37,002 INFO L93 Difference]: Finished difference Result 1298 states and 1724 transitions. [2020-10-13 12:44:37,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 12:44:37,003 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 100 [2020-10-13 12:44:37,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:44:37,011 INFO L225 Difference]: With dead ends: 1298 [2020-10-13 12:44:37,012 INFO L226 Difference]: Without dead ends: 901 [2020-10-13 12:44:37,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=202, Invalid=854, Unknown=0, NotChecked=0, Total=1056 [2020-10-13 12:44:37,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-13 12:44:37,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 750. [2020-10-13 12:44:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-10-13 12:44:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 899 transitions. [2020-10-13 12:44:37,148 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 899 transitions. Word has length 100 [2020-10-13 12:44:37,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:44:37,148 INFO L479 AbstractCegarLoop]: Abstraction has 750 states and 899 transitions. [2020-10-13 12:44:37,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 12:44:37,149 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 899 transitions. [2020-10-13 12:44:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-13 12:44:37,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:44:37,151 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:44:37,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:44:37,152 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:44:37,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:44:37,152 INFO L82 PathProgramCache]: Analyzing trace with hash 877116949, now seen corresponding path program 1 times [2020-10-13 12:44:37,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:44:37,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215101273] [2020-10-13 12:44:37,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:44:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-13 12:44:37,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-13 12:44:37,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:44:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-13 12:44:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:44:37,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,723 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:44:37,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:44:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:37,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 12:44:37,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:37,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:37,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:44:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:37,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:37,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:37,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:37,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:44:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:37,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:37,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:37,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:37,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:37,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:37,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:44:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:37,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:37,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:44:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:37,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:37,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:44:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:44:37,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 12:44:37,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:37,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 12:44:37,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:44:37,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:44:37,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 12:44:37,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:44:37,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:37,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:37,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:37,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:44:37,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:37,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:37,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:44:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:44:37,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:44:37,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:37,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 12:44:37,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:44:37,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:37,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:37,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:37,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:37,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:37,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:37,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:37,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:44:37,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 12:44:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:37,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:37,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:37,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 12:44:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:37,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:37,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 12:44:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:37,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:37,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:37,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:37,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:37,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:44:37,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215101273] [2020-10-13 12:44:37,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:44:37,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:44:37,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36297197] [2020-10-13 12:44:37,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:44:37,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:44:37,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:44:37,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:44:37,999 INFO L87 Difference]: Start difference. First operand 750 states and 899 transitions. Second operand 9 states. [2020-10-13 12:44:38,644 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:44:39,359 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:44:39,981 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-10-13 12:44:40,269 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:40,515 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:41,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:44:41,565 INFO L93 Difference]: Finished difference Result 1619 states and 2036 transitions. [2020-10-13 12:44:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 12:44:41,566 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 104 [2020-10-13 12:44:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:44:41,572 INFO L225 Difference]: With dead ends: 1619 [2020-10-13 12:44:41,572 INFO L226 Difference]: Without dead ends: 893 [2020-10-13 12:44:41,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2020-10-13 12:44:41,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-13 12:44:41,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 750. [2020-10-13 12:44:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-10-13 12:44:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 879 transitions. [2020-10-13 12:44:41,714 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 879 transitions. Word has length 104 [2020-10-13 12:44:41,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:44:41,716 INFO L479 AbstractCegarLoop]: Abstraction has 750 states and 879 transitions. [2020-10-13 12:44:41,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:44:41,716 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 879 transitions. [2020-10-13 12:44:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 12:44:41,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:44:41,723 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:44:41,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:44:41,724 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:44:41,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:44:41,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1965868324, now seen corresponding path program 1 times [2020-10-13 12:44:41,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:44:41,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286465982] [2020-10-13 12:44:41,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:44:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:41,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:41,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:41,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:42,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:46,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:46,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-13 12:44:46,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:44:46,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 12:44:46,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:44:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-13 12:44:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:44:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:46,997 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:44:46,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:44:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:44:47,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:44:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:47,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:44:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:47,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:47,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:44:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:47,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:44:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:44:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:44:47,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:44:47,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 12:44:47,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:47,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:44:47,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:44:47,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:44:47,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:44:47,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:44:47,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:47,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:44:47,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:44:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:44:47,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:44:47,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:44:47,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:47,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:47,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:47,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:44:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:44:47,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:47,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 12:44:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 12:44:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:44:47,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:44:47,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:44:47,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 12:44:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:44:47,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:44:47,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 12:44:47,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:44:47,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:44:47,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:44:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 12:44:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 12:44:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 12:44:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:47,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:47,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:47,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:47,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:47,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:47,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:47,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:47,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:47,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:47,531 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-13 12:44:47,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286465982] [2020-10-13 12:44:47,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:44:47,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 12:44:47,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626903584] [2020-10-13 12:44:47,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 12:44:47,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:44:47,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 12:44:47,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:44:47,538 INFO L87 Difference]: Start difference. First operand 750 states and 879 transitions. Second operand 10 states. [2020-10-13 12:44:49,213 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:49,445 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:44:49,681 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:49,917 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:44:50,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:44:50,348 INFO L93 Difference]: Finished difference Result 1635 states and 2029 transitions. [2020-10-13 12:44:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:44:50,348 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 153 [2020-10-13 12:44:50,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:44:50,355 INFO L225 Difference]: With dead ends: 1635 [2020-10-13 12:44:50,355 INFO L226 Difference]: Without dead ends: 909 [2020-10-13 12:44:50,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:44:50,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-13 12:44:50,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 770. [2020-10-13 12:44:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-10-13 12:44:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 899 transitions. [2020-10-13 12:44:50,502 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 899 transitions. Word has length 153 [2020-10-13 12:44:50,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:44:50,503 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 899 transitions. [2020-10-13 12:44:50,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 12:44:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 899 transitions. [2020-10-13 12:44:50,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 12:44:50,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:44:50,508 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:44:50,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 12:44:50,508 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:44:50,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:44:50,509 INFO L82 PathProgramCache]: Analyzing trace with hash -278114974, now seen corresponding path program 1 times [2020-10-13 12:44:50,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:44:50,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959624223] [2020-10-13 12:44:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:44:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:50,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:50,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:52,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:52,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:55,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:55,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-13 12:44:55,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:44:55,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 12:44:55,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:55,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:44:55,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-13 12:44:55,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 12:44:55,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:55,828 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:44:55,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:44:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:55,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:55,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:55,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:55,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:55,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 12:44:55,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:55,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:55,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:44:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:55,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:55,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:55,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:55,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:55,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:55,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:55,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:55,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:55,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:44:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:55,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:55,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:55,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:55,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:55,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:55,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:55,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:55,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:55,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:55,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:55,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:55,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:55,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:55,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:55,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:55,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:55,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:55,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:55,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:55,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:44:55,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:44:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:55,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:55,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:55,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:44:55,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:55,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:55,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:55,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:55,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:55,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:55,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:44:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:55,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:55,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:55,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:55,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:55,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:55,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:55,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:44:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:55,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:44:56,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 12:44:56,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:44:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 12:44:56,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 12:44:56,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:44:56,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 12:44:56,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:44:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 12:44:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:56,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:44:56,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 12:44:56,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:44:56,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 12:44:56,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:56,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:44:56,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:56,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:56,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:56,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:44:56,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:56,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:56,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:44:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:44:56,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:44:56,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:44:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:44:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:56,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:44:56,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:44:56,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:44:56,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:44:56,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:56,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:56,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:44:56,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:44:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:44:56,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:56,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:44:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:56,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:56,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:44:56,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:44:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:56,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:44:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:44:56,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:44:56,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:44:56,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 12:44:56,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:44:56,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:56,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:56,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:44:56,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:44:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:44:56,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:44:56,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 12:44:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:56,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:56,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:56,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:56,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:56,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:56,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 12:44:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:44:56,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:44:56,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:56,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 12:44:56,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:56,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:56,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:44:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:44:56,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:44:56,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:56,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:56,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:56,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:44:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:56,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:56,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:56,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:56,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:44:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:56,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:56,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:56,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:44:56,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:56,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:56,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 12:44:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:56,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:56,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:56,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:56,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:56,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:56,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 12:44:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:56,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:44:56,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:56,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:56,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:56,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:56,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 12:44:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:44:56,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:44:56,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:44:56,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:44:56,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:44:56,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:44:56,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:44:56,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:44:56,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:44:56,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:44:56,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:44:56,557 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 12:44:56,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959624223] [2020-10-13 12:44:56,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:44:56,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 12:44:56,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112187544] [2020-10-13 12:44:56,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 12:44:56,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:44:56,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 12:44:56,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:44:56,560 INFO L87 Difference]: Start difference. First operand 770 states and 899 transitions. Second operand 15 states. [2020-10-13 12:44:56,976 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:44:57,715 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:44:58,601 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:44:58,936 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:44:59,223 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:44:59,469 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:44:59,771 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:45:00,031 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:45:00,291 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:45:00,547 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:45:00,850 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:45:01,133 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:45:01,527 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:45:02,048 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-10-13 12:45:03,478 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:45:03,779 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 12:45:04,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:45:04,543 INFO L93 Difference]: Finished difference Result 1599 states and 2008 transitions. [2020-10-13 12:45:04,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-13 12:45:04,544 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 153 [2020-10-13 12:45:04,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:45:04,550 INFO L225 Difference]: With dead ends: 1599 [2020-10-13 12:45:04,551 INFO L226 Difference]: Without dead ends: 853 [2020-10-13 12:45:04,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=259, Invalid=1147, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 12:45:04,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2020-10-13 12:45:04,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 726. [2020-10-13 12:45:04,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-10-13 12:45:04,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 823 transitions. [2020-10-13 12:45:04,684 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 823 transitions. Word has length 153 [2020-10-13 12:45:04,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:45:04,687 INFO L479 AbstractCegarLoop]: Abstraction has 726 states and 823 transitions. [2020-10-13 12:45:04,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 12:45:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 823 transitions. [2020-10-13 12:45:04,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-13 12:45:04,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:45:04,693 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:45:04,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 12:45:04,693 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:45:04,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:45:04,694 INFO L82 PathProgramCache]: Analyzing trace with hash 433632754, now seen corresponding path program 1 times [2020-10-13 12:45:04,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:45:04,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306370870] [2020-10-13 12:45:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:45:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:04,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:04,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:05,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:05,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:09,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:09,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-13 12:45:09,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:45:09,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 12:45:09,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:45:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-13 12:45:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 12:45:09,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,014 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:45:10,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:45:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:45:10,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:45:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:10,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:45:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:10,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:45:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:45:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:10,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:45:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:10,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:45:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:45:10,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:45:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 12:45:10,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 12:45:10,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:45:10,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:45:10,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 12:45:10,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:45:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:45:10,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:45:10,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:45:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 12:45:10,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:45:10,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:45:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:45:10,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:45:10,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:45:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:45:10,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:45:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:45:10,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:45:10,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:45:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:45:10,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:45:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:45:10,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:10,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:45:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:45:10,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:45:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:45:10,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:45:10,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:45:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:45:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:45:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:45:10,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:10,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:45:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:45:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:45:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 12:45:10,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:45:10,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:45:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 12:45:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:45:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:10,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 12:45:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:10,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:45:10,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:45:10,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 12:45:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:45:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 12:45:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:45:10,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:45:10,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 12:45:10,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:45:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:45:10,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:10,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:45:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:45:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:10,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 12:45:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:45:10,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 12:45:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:45:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 12:45:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:10,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:10,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:10,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:10,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:10,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:10,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:45:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:10,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 12:45:10,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306370870] [2020-10-13 12:45:10,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:45:10,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 12:45:10,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058422036] [2020-10-13 12:45:10,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 12:45:10,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:45:10,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 12:45:10,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:45:10,425 INFO L87 Difference]: Start difference. First operand 726 states and 823 transitions. Second operand 14 states. [2020-10-13 12:45:10,792 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:45:11,391 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:45:12,104 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2020-10-13 12:45:13,198 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:45:13,726 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-10-13 12:45:14,229 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-10-13 12:45:14,735 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-10-13 12:45:16,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:45:16,630 INFO L93 Difference]: Finished difference Result 1718 states and 2129 transitions. [2020-10-13 12:45:16,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 12:45:16,631 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 159 [2020-10-13 12:45:16,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:45:16,638 INFO L225 Difference]: With dead ends: 1718 [2020-10-13 12:45:16,638 INFO L226 Difference]: Without dead ends: 1016 [2020-10-13 12:45:16,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2020-10-13 12:45:16,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2020-10-13 12:45:16,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 790. [2020-10-13 12:45:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-13 12:45:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 902 transitions. [2020-10-13 12:45:16,824 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 902 transitions. Word has length 159 [2020-10-13 12:45:16,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:45:16,824 INFO L479 AbstractCegarLoop]: Abstraction has 790 states and 902 transitions. [2020-10-13 12:45:16,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 12:45:16,825 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 902 transitions. [2020-10-13 12:45:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-13 12:45:16,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:45:16,829 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:45:16,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 12:45:16,830 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:45:16,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:45:16,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1873078726, now seen corresponding path program 1 times [2020-10-13 12:45:16,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:45:16,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347911025] [2020-10-13 12:45:16,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:45:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:16,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:17,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-13 12:45:19,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:45:19,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2401 [2020-10-13 12:45:19,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 12:45:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-13 12:45:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 12:45:19,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,583 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:45:19,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:45:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:45:19,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:45:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:19,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:19,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:45:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:19,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:19,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:45:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:19,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:45:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:45:19,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:19,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:45:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:19,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:45:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 12:45:19,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 12:45:19,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:45:19,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 12:45:19,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:45:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:45:19,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:45:19,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:45:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:45:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:45:19,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:45:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:45:19,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:45:19,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:45:19,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:45:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:45:19,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:19,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:45:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:45:19,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:45:19,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:45:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:45:19,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:19,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:45:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:19,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:45:19,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:45:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:19,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:45:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:45:19,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:45:19,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:45:19,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 12:45:19,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:45:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:19,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 12:45:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:19,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:45:19,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:45:19,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 12:45:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:19,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:45:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:45:19,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 12:45:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:45:19,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:45:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:45:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:45:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 12:45:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 12:45:19,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:45:19,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:45:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 12:45:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:45:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:45:19,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:19,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:45:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:19,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:45:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:19,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 12:45:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:45:19,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:45:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:45:19,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 12:45:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:45:19,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:45:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:45:19,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:45:19,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 12:45:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:45:19,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:45:19,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:45:19,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:45:19,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:45:19,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:45:19,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:45:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:45:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:45:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:45:19,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:45:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 12:45:19,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347911025] [2020-10-13 12:45:19,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:45:19,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 12:45:19,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253618582] [2020-10-13 12:45:19,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 12:45:19,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:45:19,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 12:45:19,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:45:19,938 INFO L87 Difference]: Start difference. First operand 790 states and 902 transitions. Second operand 14 states. [2020-10-13 12:45:20,593 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:45:21,214 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:45:21,725 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:45:22,788 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:45:23,057 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:45:23,307 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:45:23,551 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:45:25,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:45:25,246 INFO L93 Difference]: Finished difference Result 1753 states and 2136 transitions. [2020-10-13 12:45:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 12:45:25,246 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 165 [2020-10-13 12:45:25,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:45:25,248 INFO L225 Difference]: With dead ends: 1753 [2020-10-13 12:45:25,248 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:45:25,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=207, Invalid=605, Unknown=0, NotChecked=0, Total=812 [2020-10-13 12:45:25,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:45:25,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:45:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:45:25,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:45:25,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-10-13 12:45:25,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:45:25,255 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:45:25,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 12:45:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:45:25,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:45:25,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 12:45:25,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:45:30,901 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 389 DAG size of output: 338 [2020-10-13 12:45:32,283 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 383 DAG size of output: 334 [2020-10-13 12:45:35,098 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 356 DAG size of output: 321 [2020-10-13 12:45:36,709 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 325 [2020-10-13 12:45:38,348 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-13 12:45:39,284 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 21 [2020-10-13 12:45:39,428 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-13 12:45:39,581 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-13 12:45:39,772 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-10-13 12:45:39,989 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-10-13 12:45:41,269 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 207 DAG size of output: 29 [2020-10-13 12:45:41,500 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-13 12:45:41,694 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-10-13 12:45:41,811 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-10-13 12:45:42,476 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 21 [2020-10-13 12:45:42,688 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:45:43,385 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 21 [2020-10-13 12:45:43,555 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-10-13 12:45:44,834 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 203 DAG size of output: 25 [2020-10-13 12:45:44,992 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-13 12:45:45,774 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 24 [2020-10-13 12:45:47,128 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 197 DAG size of output: 22 [2020-10-13 12:45:49,038 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 257 DAG size of output: 28 [2020-10-13 12:45:49,221 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-10-13 12:45:50,356 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-13 12:45:52,191 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 255 DAG size of output: 28 [2020-10-13 12:45:52,883 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 21 [2020-10-13 12:45:53,034 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-13 12:45:53,227 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-10-13 12:45:54,767 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 182 DAG size of output: 38 [2020-10-13 12:45:54,947 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-10-13 12:45:55,152 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-13 12:45:55,823 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 25 [2020-10-13 12:45:56,760 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 21 [2020-10-13 12:45:57,981 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 186 DAG size of output: 21 [2020-10-13 12:45:58,550 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 39 [2020-10-13 12:45:59,069 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 15 [2020-10-13 12:46:00,865 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 210 DAG size of output: 47 [2020-10-13 12:46:01,037 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-13 12:46:01,237 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-10-13 12:46:03,231 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 250 DAG size of output: 42 [2020-10-13 12:46:03,874 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2020-10-13 12:46:04,013 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-13 12:46:04,207 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-10-13 12:46:05,567 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 188 DAG size of output: 26 [2020-10-13 12:46:05,768 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-10-13 12:46:05,963 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-10-13 12:46:06,157 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-10-13 12:46:07,380 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 186 DAG size of output: 21 [2020-10-13 12:46:09,290 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 255 DAG size of output: 42 [2020-10-13 12:46:09,944 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 28 [2020-10-13 12:46:10,534 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 13 [2020-10-13 12:46:10,743 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-13 12:46:11,626 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 23 [2020-10-13 12:46:12,577 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 37 [2020-10-13 12:46:12,583 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:46:12,583 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:46:12,583 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 12:46:12,583 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-10-13 12:46:12,583 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:46:12,583 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-10-13 12:46:12,583 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:46:12,584 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:46:12,584 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 12:46:12,584 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-10-13 12:46:12,584 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:46:12,585 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-10-13 12:46:12,585 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-10-13 12:46:12,585 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 12:46:12,585 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:46:12,585 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-10-13 12:46:12,585 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:46:12,585 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-10-13 12:46:12,586 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 538 544) the Hoare annotation is: true [2020-10-13 12:46:12,586 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 538 544) no Hoare annotation was computed. [2020-10-13 12:46:12,586 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 545 553) no Hoare annotation was computed. [2020-10-13 12:46:12,586 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 545 553) the Hoare annotation is: true [2020-10-13 12:46:12,586 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 545 553) no Hoare annotation was computed. [2020-10-13 12:46:12,586 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:12,586 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2020-10-13 12:46:12,587 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2020-10-13 12:46:12,587 INFO L264 CegarLoopResult]: At program point L969(line 969) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:12,587 INFO L264 CegarLoopResult]: At program point L969-1(line 969) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:12,587 INFO L268 CegarLoopResult]: For program point L967(lines 967 974) no Hoare annotation was computed. [2020-10-13 12:46:12,587 INFO L268 CegarLoopResult]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2020-10-13 12:46:12,587 INFO L268 CegarLoopResult]: For program point L965(line 965) no Hoare annotation was computed. [2020-10-13 12:46:12,588 INFO L264 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:12,588 INFO L264 CegarLoopResult]: At program point L963(line 963) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:12,588 INFO L264 CegarLoopResult]: At program point L963-1(line 963) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:12,588 INFO L268 CegarLoopResult]: For program point L929(line 929) no Hoare annotation was computed. [2020-10-13 12:46:12,588 INFO L268 CegarLoopResult]: For program point L928(line 928) no Hoare annotation was computed. [2020-10-13 12:46:12,588 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 916 939) no Hoare annotation was computed. [2020-10-13 12:46:12,588 INFO L268 CegarLoopResult]: For program point L927(line 927) no Hoare annotation was computed. [2020-10-13 12:46:12,589 INFO L268 CegarLoopResult]: For program point L926(line 926) no Hoare annotation was computed. [2020-10-13 12:46:12,589 INFO L268 CegarLoopResult]: For program point L925(line 925) no Hoare annotation was computed. [2020-10-13 12:46:12,589 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 916 939) no Hoare annotation was computed. [2020-10-13 12:46:12,589 INFO L268 CegarLoopResult]: For program point L924(line 924) no Hoare annotation was computed. [2020-10-13 12:46:12,589 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 916 939) no Hoare annotation was computed. [2020-10-13 12:46:12,589 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-10-13 12:46:12,589 INFO L268 CegarLoopResult]: For program point L922(line 922) no Hoare annotation was computed. [2020-10-13 12:46:12,589 INFO L268 CegarLoopResult]: For program point L921(line 921) no Hoare annotation was computed. [2020-10-13 12:46:12,589 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-10-13 12:46:12,590 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-10-13 12:46:12,590 INFO L268 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-10-13 12:46:12,590 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-10-13 12:46:12,590 INFO L268 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2020-10-13 12:46:12,590 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2020-10-13 12:46:12,590 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2020-10-13 12:46:12,590 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2020-10-13 12:46:12,590 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 799 817) the Hoare annotation is: true [2020-10-13 12:46:12,590 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-10-13 12:46:12,591 INFO L271 CegarLoopResult]: At program point L806(line 806) the Hoare annotation is: true [2020-10-13 12:46:12,591 INFO L268 CegarLoopResult]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2020-10-13 12:46:12,591 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 799 817) no Hoare annotation was computed. [2020-10-13 12:46:12,591 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-10-13 12:46:12,591 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 799 817) no Hoare annotation was computed. [2020-10-13 12:46:12,591 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-10-13 12:46:12,591 INFO L268 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2020-10-13 12:46:12,591 INFO L268 CegarLoopResult]: For program point L751(lines 751 759) no Hoare annotation was computed. [2020-10-13 12:46:12,591 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 744 779) no Hoare annotation was computed. [2020-10-13 12:46:12,591 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2020-10-13 12:46:12,592 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 744 779) no Hoare annotation was computed. [2020-10-13 12:46:12,592 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-10-13 12:46:12,592 INFO L268 CegarLoopResult]: For program point L774-1(line 774) no Hoare annotation was computed. [2020-10-13 12:46:12,592 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 744 779) no Hoare annotation was computed. [2020-10-13 12:46:12,592 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 531 537) no Hoare annotation was computed. [2020-10-13 12:46:12,592 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 531 537) the Hoare annotation is: true [2020-10-13 12:46:12,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:46:12,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:46:12,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:46:12,593 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-10-13 12:46:12,593 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:46:12,593 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-10-13 12:46:12,593 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-10-13 12:46:12,593 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:46:12,593 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:46:12,593 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:12,593 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2020-10-13 12:46:12,593 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2020-10-13 12:46:12,594 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 724 734) the Hoare annotation is: true [2020-10-13 12:46:12,594 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2020-10-13 12:46:12,594 INFO L271 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: true [2020-10-13 12:46:12,594 INFO L268 CegarLoopResult]: For program point L729-1(line 729) no Hoare annotation was computed. [2020-10-13 12:46:12,594 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2020-10-13 12:46:12,594 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 716 723) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) (not (= 1 ~systemActive~0)) (not (<= ~waterLevel~0 1))) [2020-10-13 12:46:12,594 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2020-10-13 12:46:12,594 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2020-10-13 12:46:12,594 INFO L268 CegarLoopResult]: For program point L497(lines 497 503) no Hoare annotation was computed. [2020-10-13 12:46:12,595 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 493 506) no Hoare annotation was computed. [2020-10-13 12:46:12,595 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 493 506) the Hoare annotation is: true [2020-10-13 12:46:12,595 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 493 506) no Hoare annotation was computed. [2020-10-13 12:46:12,595 INFO L268 CegarLoopResult]: For program point L673(lines 673 681) no Hoare annotation was computed. [2020-10-13 12:46:12,595 INFO L264 CegarLoopResult]: At program point L671(line 671) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:46:12,595 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-10-13 12:46:12,595 INFO L268 CegarLoopResult]: For program point L669(lines 669 686) no Hoare annotation was computed. [2020-10-13 12:46:12,596 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 665 689) no Hoare annotation was computed. [2020-10-13 12:46:12,596 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 665 689) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:46:12,596 INFO L264 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:46:12,596 INFO L268 CegarLoopResult]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2020-10-13 12:46:12,596 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (and (<= processEnvironment_~tmp~5 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 0 processEnvironment_~tmp~5)) (not (<= ~waterLevel~0 1))))) [2020-10-13 12:46:12,596 INFO L264 CegarLoopResult]: At program point L675(line 675) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:46:12,596 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2020-10-13 12:46:12,597 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2020-10-13 12:46:12,597 INFO L268 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2020-10-13 12:46:12,597 INFO L264 CegarLoopResult]: At program point testENTRY(lines 820 883) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:46:12,597 INFO L268 CegarLoopResult]: For program point testFINAL(lines 820 883) no Hoare annotation was computed. [2020-10-13 12:46:12,597 INFO L264 CegarLoopResult]: At program point L876(lines 829 877) the Hoare annotation is: (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:12,597 INFO L268 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2020-10-13 12:46:12,597 INFO L264 CegarLoopResult]: At program point L866-2(lines 860 871) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-10-13 12:46:12,598 INFO L268 CegarLoopResult]: For program point L831(lines 830 875) no Hoare annotation was computed. [2020-10-13 12:46:12,598 INFO L268 CegarLoopResult]: For program point L860(lines 860 871) no Hoare annotation was computed. [2020-10-13 12:46:12,598 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-10-13 12:46:12,598 INFO L268 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2020-10-13 12:46:12,598 INFO L268 CegarLoopResult]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2020-10-13 12:46:12,598 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (<= ~waterLevel~0 2))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0)) .cse2) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not .cse3) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) .cse0 .cse3 .cse4) (and .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-10-13 12:46:12,598 INFO L264 CegarLoopResult]: At program point L873(lines 830 875) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (<= ~waterLevel~0 2))) (or (not (<= 0 |old(~methaneLevelCritical~0)|)) (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0)) .cse2) (not (<= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~waterLevel~0)| 1)) (not .cse3) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) .cse0 .cse3 .cse4) (and .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-10-13 12:46:12,598 INFO L268 CegarLoopResult]: For program point L840(lines 840 846) no Hoare annotation was computed. [2020-10-13 12:46:12,598 INFO L268 CegarLoopResult]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point testEXIT(lines 820 883) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 690 697) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (<= 0 ~methaneLevelCritical~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= ~methaneLevelCritical~0 0))) [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 690 697) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 690 697) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 507 515) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 507 515) the Hoare annotation is: true [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 507 515) no Hoare annotation was computed. [2020-10-13 12:46:12,599 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 461 483) no Hoare annotation was computed. [2020-10-13 12:46:12,600 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 461 483) no Hoare annotation was computed. [2020-10-13 12:46:12,600 INFO L268 CegarLoopResult]: For program point L469(lines 469 477) no Hoare annotation was computed. [2020-10-13 12:46:12,600 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 461 483) no Hoare annotation was computed. [2020-10-13 12:46:12,600 INFO L268 CegarLoopResult]: For program point L469-2(lines 469 477) no Hoare annotation was computed. [2020-10-13 12:46:12,600 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-10-13 12:46:12,600 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:46:12,600 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-10-13 12:46:12,600 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-13 12:46:12,600 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-10-13 12:46:12,600 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-10-13 12:46:12,601 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:46:12,601 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-10-13 12:46:12,601 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-10-13 12:46:12,601 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-10-13 12:46:12,601 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:46:12,601 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-10-13 12:46:12,601 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-10-13 12:46:12,601 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-10-13 12:46:12,601 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-13 12:46:12,602 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-13 12:46:12,602 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 521 530) no Hoare annotation was computed. [2020-10-13 12:46:12,602 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 521 530) no Hoare annotation was computed. [2020-10-13 12:46:12,602 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 521 530) no Hoare annotation was computed. [2020-10-13 12:46:12,602 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:12,602 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~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#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~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.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)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:46:12,603 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:12,603 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:12,603 INFO L268 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-10-13 12:46:12,603 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 699 715) no Hoare annotation was computed. [2020-10-13 12:46:12,603 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 699 715) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:46:12,603 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~methaneLevelCritical~0 activatePump_~tmp~6) (<= activatePump_~tmp~6 ~methaneLevelCritical~0))))) [2020-10-13 12:46:12,603 INFO L268 CegarLoopResult]: For program point L710-1(lines 699 715) no Hoare annotation was computed. [2020-10-13 12:46:12,603 INFO L268 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2020-10-13 12:46:12,604 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 484 492) the Hoare annotation is: true [2020-10-13 12:46:12,604 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2020-10-13 12:46:12,604 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2020-10-13 12:46:12,604 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 780 798) no Hoare annotation was computed. [2020-10-13 12:46:12,604 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 780 798) the Hoare annotation is: true [2020-10-13 12:46:12,604 INFO L268 CegarLoopResult]: For program point L789(lines 789 793) no Hoare annotation was computed. [2020-10-13 12:46:12,604 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 780 798) no Hoare annotation was computed. [2020-10-13 12:46:12,604 INFO L271 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: true [2020-10-13 12:46:12,604 INFO L268 CegarLoopResult]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2020-10-13 12:46:12,605 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-10-13 12:46:12,605 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:12,605 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:46:12,605 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:12,605 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2))) [2020-10-13 12:46:12,605 INFO L268 CegarLoopResult]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2020-10-13 12:46:12,605 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2020-10-13 12:46:12,605 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2020-10-13 12:46:12,606 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2020-10-13 12:46:12,606 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2020-10-13 12:46:12,606 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2020-10-13 12:46:12,606 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 (not (= |old(~pumpRunning~0)| 0))) (or .cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1) (and (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2020-10-13 12:46:12,606 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2020-10-13 12:46:12,606 INFO L264 CegarLoopResult]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse3 (and (<= ~waterLevel~0 1) .cse5 .cse4)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (let ((.cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse2 (= ~pumpRunning~0 0))) (or .cse0 (and .cse1 .cse2) .cse3 (and .cse1 .cse4) (and .cse5 .cse2 (not (= 2 ~waterLevel~0))) (not (= |old(~pumpRunning~0)| 1)) .cse6)) (or .cse0 .cse3 (not (<= 0 ~methaneLevelCritical~0)) .cse6 .cse7 (and .cse5 (= ~pumpRunning~0 1)) (not (<= ~methaneLevelCritical~0 0))) (or (and .cse5 .cse4) .cse0 (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse6 .cse7)))) [2020-10-13 12:46:12,607 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2020-10-13 12:46:12,607 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:46:12,607 INFO L268 CegarLoopResult]: For program point L611(lines 610 629) no Hoare annotation was computed. [2020-10-13 12:46:12,607 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-10-13 12:46:12,607 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2020-10-13 12:46:12,607 INFO L271 CegarLoopResult]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2020-10-13 12:46:12,607 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2020-10-13 12:46:12,608 INFO L271 CegarLoopResult]: At program point L892(line 892) the Hoare annotation is: true [2020-10-13 12:46:12,608 INFO L268 CegarLoopResult]: For program point L892-1(line 892) no Hoare annotation was computed. [2020-10-13 12:46:12,608 INFO L271 CegarLoopResult]: At program point L911(lines 886 915) the Hoare annotation is: true [2020-10-13 12:46:12,608 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-10-13 12:46:12,608 INFO L268 CegarLoopResult]: For program point L900(lines 900 904) no Hoare annotation was computed. [2020-10-13 12:46:12,608 INFO L271 CegarLoopResult]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2020-10-13 12:46:12,608 INFO L268 CegarLoopResult]: For program point L576(lines 576 582) no Hoare annotation was computed. [2020-10-13 12:46:12,608 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 1))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse3 .cse4 .cse1) (or (and (= 2 __utac_acc__Specification3_spec__1_~tmp___0~0) (<= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0) (< 0 (+ __utac_acc__Specification3_spec__1_~tmp~3 1))) .cse0 .cse4 (not (<= 0 ~methaneLevelCritical~0)) .cse1 (not (<= ~methaneLevelCritical~0 0))) (or .cse3 .cse1 .cse2))) [2020-10-13 12:46:12,609 INFO L268 CegarLoopResult]: For program point L574-1(line 574) no Hoare annotation was computed. [2020-10-13 12:46:12,609 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 557 589) no Hoare annotation was computed. [2020-10-13 12:46:12,609 INFO L268 CegarLoopResult]: For program point L572(lines 572 585) no Hoare annotation was computed. [2020-10-13 12:46:12,609 INFO L268 CegarLoopResult]: For program point L572-1(lines 557 589) no Hoare annotation was computed. [2020-10-13 12:46:12,609 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse1 (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0)))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~pumpRunning~0 1))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (and (<= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0) (< 0 (+ __utac_acc__Specification3_spec__1_~tmp~3 1))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2) (or .cse4 .cse2 .cse3 .cse6) (or .cse0 .cse5 (not (<= 0 ~methaneLevelCritical~0)) .cse2 .cse6 (not (<= ~methaneLevelCritical~0 0))))) [2020-10-13 12:46:12,609 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 557 589) the Hoare annotation is: true [2020-10-13 12:46:12,609 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-10-13 12:46:12,609 INFO L268 CegarLoopResult]: For program point L566(lines 566 586) no Hoare annotation was computed. [2020-10-13 12:46:12,610 INFO L271 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: true [2020-10-13 12:46:12,610 INFO L268 CegarLoopResult]: For program point L564-1(line 564) no Hoare annotation was computed. [2020-10-13 12:46:12,610 INFO L264 CegarLoopResult]: At program point L580(line 580) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 1))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 (not (<= 0 ~methaneLevelCritical~0)) .cse1 (not (<= ~methaneLevelCritical~0 0))) (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse4 .cse3 .cse1) (or .cse4 .cse1 .cse2))) [2020-10-13 12:46:12,610 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (= ~pumpRunning~0 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-10-13 12:46:12,610 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2020-10-13 12:46:12,610 INFO L268 CegarLoopResult]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2020-10-13 12:46:12,610 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2020-10-13 12:46:12,610 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2020-10-13 12:46:12,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:46:12,611 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (<= ~waterLevel~0 2)) [2020-10-13 12:46:12,611 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:46:12,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:46:12,611 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:46:12,611 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2020-10-13 12:46:12,611 INFO L264 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:46:12,611 INFO L268 CegarLoopResult]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2020-10-13 12:46:12,612 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (not (<= ~waterLevel~0 1))) (or .cse1 .cse0 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse2))) [2020-10-13 12:46:12,612 INFO L264 CegarLoopResult]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (<= 1 processEnvironment__wrappee__highWaterSensor_~tmp~4) .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 1)) .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2020-10-13 12:46:12,612 INFO L268 CegarLoopResult]: For program point L647(lines 647 655) no Hoare annotation was computed. [2020-10-13 12:46:12,612 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:46:12,612 INFO L268 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-10-13 12:46:12,612 INFO L268 CegarLoopResult]: For program point L643(lines 643 660) no Hoare annotation was computed. [2020-10-13 12:46:12,612 INFO L268 CegarLoopResult]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2020-10-13 12:46:12,612 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2020-10-13 12:46:12,613 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 1))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 0 ~methaneLevelCritical~0)) .cse3 (not (<= ~methaneLevelCritical~0 0))) (or .cse0 .cse2 (= |old(~waterLevel~0)| 2) .cse4 .cse3) (or .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse3) (or .cse0 .cse2 (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse4 .cse3))) [2020-10-13 12:46:12,613 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2020-10-13 12:46:12,613 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2020-10-13 12:46:12,613 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2020-10-13 12:46:12,613 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2020-10-13 12:46:12,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:46:12 BoogieIcfgContainer [2020-10-13 12:46:12,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:46:12,636 INFO L168 Benchmark]: Toolchain (without parser) took 140560.36 ms. Allocated memory was 141.6 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 103.8 MB in the beginning and 489.2 MB in the end (delta: -385.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-13 12:46:12,637 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:46:12,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.43 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 103.6 MB in the beginning and 170.0 MB in the end (delta: -66.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:12,637 INFO L168 Benchmark]: Boogie Preprocessor took 125.89 ms. Allocated memory is still 204.5 MB. Free memory was 170.0 MB in the beginning and 166.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:12,638 INFO L168 Benchmark]: RCFGBuilder took 1317.80 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 166.0 MB in the beginning and 185.5 MB in the end (delta: -19.5 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:46:12,638 INFO L168 Benchmark]: TraceAbstraction took 138454.24 ms. Allocated memory was 233.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 185.5 MB in the beginning and 489.2 MB in the end (delta: -303.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-13 12:46:12,640 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.43 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 103.6 MB in the beginning and 170.0 MB in the end (delta: -66.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.89 ms. Allocated memory is still 204.5 MB. Free memory was 170.0 MB in the beginning and 166.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1317.80 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 166.0 MB in the beginning and 185.5 MB in the end (delta: -19.5 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 138454.24 ms. Allocated memory was 233.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 185.5 MB in the beginning and 489.2 MB in the end (delta: -303.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((((!(0 <= \old(methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 0 <= methaneLevelCritical) && splverifierCounter <= 0) && pumpRunning == 1) && waterLevel <= 2)) || ((((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0) && (methaneLevelCritical + 1 <= 0 || 1 <= methaneLevelCritical)) && waterLevel <= 2)) || !(\old(methaneLevelCritical) <= 0)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (((waterLevel <= 1 && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0)) || (((splverifierCounter <= 0 && pumpRunning == 1) && !(2 == waterLevel)) && waterLevel <= 2) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((!(0 <= \old(methaneLevelCritical)) || !(\old(methaneLevelCritical) <= 0)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 91.0s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 48.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 47.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1971 SDtfs, 3920 SDslu, 2407 SDs, 0 SdLazy, 12954 SolverSat, 2629 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 686 GetRequests, 474 SyntacticMatches, 7 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 22.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=790occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1115 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2889 PreInvPairs, 3126 NumberOfFragments, 1889 HoareAnnotationTreeSize, 2889 FomulaSimplifications, 16782831710 FormulaSimplificationTreeSizeReduction, 11.9s HoareSimplificationTime, 65 FomulaSimplificationsInter, 520214408 FormulaSimplificationTreeSizeReductionInter, 35.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 39.7s InterpolantComputationTime, 1326 NumberOfCodeBlocks, 1326 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1313 ConstructedInterpolants, 0 QuantifiedInterpolants, 494166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 132/144 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...