/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_spec1_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:32:35,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:32:35,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:32:35,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:32:35,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:32:35,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:32:35,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:32:35,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:32:35,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:32:35,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:32:35,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:32:35,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:32:35,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:32:35,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:32:35,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:32:35,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:32:35,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:32:35,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:32:35,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:32:35,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:32:35,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:32:35,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:32:35,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:32:35,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:32:35,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:32:35,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:32:35,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:32:35,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:32:35,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:32:35,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:32:35,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:32:35,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:32:35,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:32:35,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:32:35,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:32:35,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:32:35,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:32:35,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:32:35,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:32:35,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:32:35,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:32:35,595 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 12:32:35,618 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:32:35,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:32:35,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:32:35,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:32:35,621 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:32:35,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:32:35,622 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:32:35,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:32:35,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:32:35,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:32:35,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:32:35,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:32:35,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:32:35,624 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:32:35,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:32:35,624 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:32:35,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:32:35,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:32:35,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:32:35,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:32:35,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:32:35,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:32:35,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:32:35,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:32:35,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:32:35,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:32:35,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:32:35,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:32:35,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:32:35,628 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 12:32:35,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:32:35,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:32:35,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:32:35,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:32:35,979 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:32:35,979 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product44.cil.c [2020-10-13 12:32:36,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8424fa3b9/716f83d8357444b383f60af3cb41d59c/FLAG08505e564 [2020-10-13 12:32:36,623 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:32:36,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product44.cil.c [2020-10-13 12:32:36,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8424fa3b9/716f83d8357444b383f60af3cb41d59c/FLAG08505e564 [2020-10-13 12:32:36,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8424fa3b9/716f83d8357444b383f60af3cb41d59c [2020-10-13 12:32:36,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:32:36,902 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:32:36,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:32:36,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:32:36,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:32:36,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:32:36" (1/1) ... [2020-10-13 12:32:36,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35272ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:36, skipping insertion in model container [2020-10-13 12:32:36,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:32:36" (1/1) ... [2020-10-13 12:32:36,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:32:36,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:32:37,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:32:37,403 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:32:37,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:32:37,552 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:32:37,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:37 WrapperNode [2020-10-13 12:32:37,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:32:37,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:32:37,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:32:37,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:32:37,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:37" (1/1) ... [2020-10-13 12:32:37,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:37" (1/1) ... [2020-10-13 12:32:37,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:37" (1/1) ... [2020-10-13 12:32:37,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:37" (1/1) ... [2020-10-13 12:32:37,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:37" (1/1) ... [2020-10-13 12:32:37,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:37" (1/1) ... [2020-10-13 12:32:37,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:37" (1/1) ... [2020-10-13 12:32:37,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:32:37,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:32:37,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:32:37,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:32:37,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:37" (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 12:32:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:32:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:32:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:32:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:32:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:32:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:32:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:32:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:32:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:32:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:32:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:32:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:32:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:32:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:32:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-13 12:32:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:32:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:32:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:32:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:32:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:32:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:32:37,716 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:32:37,716 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:32:37,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:32:37,717 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:32:37,717 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:32:37,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:32:37,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:32:37,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:32:37,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:32:37,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:32:37,720 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:32:37,720 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:32:37,720 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:32:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:32:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:32:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:32:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:32:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:32:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:32:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:32:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:32:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:32:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:32:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:32:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:32:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:32:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:32:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:32:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:32:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:32:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:32:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:32:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:32:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:32:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:32:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:32:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:32:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:32:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:32:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:32:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:32:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:32:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:32:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:32:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:32:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:32:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:32:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:32:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:32:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:32:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:32:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:32:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:32:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:32:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:32:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:32:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:32:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:32:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:32:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-13 12:32:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:32:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:32:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:32:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:32:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:32:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:32:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:32:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:32:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:32:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:32:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:32:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:32:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:32:38,793 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:32:38,794 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:32:38,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:38 BoogieIcfgContainer [2020-10-13 12:32:38,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:32:38,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:32:38,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:32:38,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:32:38,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:32:36" (1/3) ... [2020-10-13 12:32:38,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fab4eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:32:38, skipping insertion in model container [2020-10-13 12:32:38,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:37" (2/3) ... [2020-10-13 12:32:38,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fab4eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:32:38, skipping insertion in model container [2020-10-13 12:32:38,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:38" (3/3) ... [2020-10-13 12:32:38,808 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product44.cil.c [2020-10-13 12:32:38,820 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:32:38,828 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:32:38,843 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:32:38,869 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:32:38,870 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:32:38,870 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:32:38,870 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:32:38,870 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:32:38,871 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:32:38,871 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:32:38,871 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:32:38,892 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-10-13 12:32:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:32:38,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:38,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:32:38,904 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:38,910 INFO L82 PathProgramCache]: Analyzing trace with hash -325582978, now seen corresponding path program 1 times [2020-10-13 12:32:38,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:38,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356875677] [2020-10-13 12:32:38,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:39,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:39,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:40,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:40,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:40,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:44,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:44,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:32:44,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:32:44,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4957 [2020-10-13 12:32:44,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:44,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:44,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:32:44,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:44,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 12:32:44,510 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:44,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:44,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:44,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:44,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:44,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 12:32:44,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:44,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:44,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:44,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:44,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:44,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:44,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:44,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:44,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:44,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:44,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:44,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:44,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:44,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:44,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:44,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:44,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:44,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:44,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:44,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:44,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:44,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:44,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:44,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:44,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:44,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:44,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:44,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:44,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:44,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:44,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:44,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:44,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:44,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:32:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:44,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:44,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:44,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:44,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:44,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:44,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:44,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:44,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:44,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:32:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:44,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:44,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:44,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:44,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:44,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:44,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:44,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:44,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:44,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:44,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:44,668 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 12:32:44,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356875677] [2020-10-13 12:32:44,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:44,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:32:44,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34304920] [2020-10-13 12:32:44,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:32:44,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:44,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:32:44,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:32:44,697 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2020-10-13 12:32:45,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:32:45,800 INFO L93 Difference]: Finished difference Result 304 states and 394 transitions. [2020-10-13 12:32:45,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:32:45,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:32:45,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:32:45,818 INFO L225 Difference]: With dead ends: 304 [2020-10-13 12:32:45,818 INFO L226 Difference]: Without dead ends: 165 [2020-10-13 12:32:45,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:32:45,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-13 12:32:45,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 130. [2020-10-13 12:32:45,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-13 12:32:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-10-13 12:32:45,920 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 46 [2020-10-13 12:32:45,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:32:45,920 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-10-13 12:32:45,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:32:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-10-13 12:32:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:32:45,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:45,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:32:45,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:32:45,925 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:45,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:45,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1889235753, now seen corresponding path program 1 times [2020-10-13 12:32:45,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:45,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164244986] [2020-10-13 12:32:45,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:45,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:46,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:46,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:47,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:47,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:50,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:50,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:32:50,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:32:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 12:32:50,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:32:50,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:32:50,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:51,274 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:51,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:51,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:51,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:51,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:51,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:32:51,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:51,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:51,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:51,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:51,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:51,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:51,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:51,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:51,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:51,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:51,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:51,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:51,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:51,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:51,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:51,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:51,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:51,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:51,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:51,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:51,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:51,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:51,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:51,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:51,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:51,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:51,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:51,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:51,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:51,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:51,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:51,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:51,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:51,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:51,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:51,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:51,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:51,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:51,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:51,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:51,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:32:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:51,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:51,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:51,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:51,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:51,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:51,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:51,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:51,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:51,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:32:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:51,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:51,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:51,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:51,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:51,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:51,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:51,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:51,352 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 12:32:51,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [164244986] [2020-10-13 12:32:51,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:51,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:32:51,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352345606] [2020-10-13 12:32:51,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:32:51,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:51,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:32:51,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:32:51,356 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 4 states. [2020-10-13 12:32:51,765 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:32:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:32:52,535 INFO L93 Difference]: Finished difference Result 224 states and 271 transitions. [2020-10-13 12:32:52,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:32:52,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:32:52,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:32:52,539 INFO L225 Difference]: With dead ends: 224 [2020-10-13 12:32:52,539 INFO L226 Difference]: Without dead ends: 149 [2020-10-13 12:32:52,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:32:52,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-13 12:32:52,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 121. [2020-10-13 12:32:52,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-13 12:32:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2020-10-13 12:32:52,585 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 47 [2020-10-13 12:32:52,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:32:52,586 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2020-10-13 12:32:52,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:32:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2020-10-13 12:32:52,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:32:52,588 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:52,588 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 12:32:52,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:32:52,589 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:52,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:52,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1400660330, now seen corresponding path program 1 times [2020-10-13 12:32:52,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:52,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644263898] [2020-10-13 12:32:52,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:53,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:54,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 12:32:56,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:32:56,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4267 [2020-10-13 12:32:56,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:32:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 12:32:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:32:56,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:57,153 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:57,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:57,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:57,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:57,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:57,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:57,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 12:32:57,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:57,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:57,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:57,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:57,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:57,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:57,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:57,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:57,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:57,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:57,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:57,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:57,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:57,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:57,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:57,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:57,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:57,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:57,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:57,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:57,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:57,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:57,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:57,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:57,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:57,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:57,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:57,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:57,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:57,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:57,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:57,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:57,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:57,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:57,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:57,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:57,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:57,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:57,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:57,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:57,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:32:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:57,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:57,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:57,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:57,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:57,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:57,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:57,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:57,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:57,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:57,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:57,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:32:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:57,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:57,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:57,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:57,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:57,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:32:57,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:57,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:32:57,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:57,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:57,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:57,257 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 12:32:57,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644263898] [2020-10-13 12:32:57,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:57,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:32:57,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878429819] [2020-10-13 12:32:57,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:32:57,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:57,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:32:57,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:32:57,260 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 7 states. [2020-10-13 12:32:57,642 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:32:58,524 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:32:58,779 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:32:59,031 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:32:59,593 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:32:59,900 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:33:00,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:00,402 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2020-10-13 12:33:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:33:00,403 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-13 12:33:00,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:00,406 INFO L225 Difference]: With dead ends: 306 [2020-10-13 12:33:00,406 INFO L226 Difference]: Without dead ends: 209 [2020-10-13 12:33:00,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:33:00,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-10-13 12:33:00,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 186. [2020-10-13 12:33:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-13 12:33:00,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 222 transitions. [2020-10-13 12:33:00,458 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 222 transitions. Word has length 52 [2020-10-13 12:33:00,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:00,458 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 222 transitions. [2020-10-13 12:33:00,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:33:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 222 transitions. [2020-10-13 12:33:00,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 12:33:00,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:00,461 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] [2020-10-13 12:33:00,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:33:00,461 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:00,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:00,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1672037846, now seen corresponding path program 1 times [2020-10-13 12:33:00,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:00,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379367000] [2020-10-13 12:33:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:00,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:00,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:00,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:03,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:03,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:05,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:05,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 12:33:05,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:33:05,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 12:33:05,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 12:33:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:05,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:05,816 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:05,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:05,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:05,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:05,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:05,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:05,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:33:05,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:05,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:05,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:05,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:05,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:05,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:05,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:05,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:05,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:05,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:05,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:05,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:05,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:05,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:05,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:05,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:05,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:05,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:05,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:05,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:05,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:05,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:05,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:05,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:05,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:05,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:05,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:05,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:05,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:05,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:05,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:05,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:05,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:05,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:05,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:05,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:05,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:05,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:05,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:05,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:05,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:05,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:05,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:33:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:05,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:05,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:05,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:05,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:33:05,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:33:05,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 12:33:05,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:33:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:05,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:05,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:05,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:05,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:05,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:05,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:33:05,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:05,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:05,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:33:05,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:05,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:05,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:05,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:05,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:05,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:05,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:05,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:33:05,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:33:05,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:05,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:05,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:33:06,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:33:06,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:33:06,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:33:06,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:06,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:06,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:06,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:06,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:06,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:06,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:06,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:06,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 12:33:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:06,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:06,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:06,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 12:33:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:06,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:06,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:06,054 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 12:33:06,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379367000] [2020-10-13 12:33:06,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:33:06,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:33:06,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646502945] [2020-10-13 12:33:06,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:33:06,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:06,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:33:06,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:33:06,058 INFO L87 Difference]: Start difference. First operand 186 states and 222 transitions. Second operand 7 states. [2020-10-13 12:33:06,899 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:07,161 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:07,401 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:08,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:08,058 INFO L93 Difference]: Finished difference Result 393 states and 505 transitions. [2020-10-13 12:33:08,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:33:08,059 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-13 12:33:08,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:08,062 INFO L225 Difference]: With dead ends: 393 [2020-10-13 12:33:08,062 INFO L226 Difference]: Without dead ends: 231 [2020-10-13 12:33:08,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:33:08,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-13 12:33:08,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 193. [2020-10-13 12:33:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-13 12:33:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 229 transitions. [2020-10-13 12:33:08,112 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 229 transitions. Word has length 90 [2020-10-13 12:33:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:08,112 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 229 transitions. [2020-10-13 12:33:08,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:33:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 229 transitions. [2020-10-13 12:33:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 12:33:08,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:08,115 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] [2020-10-13 12:33:08,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:33:08,115 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:08,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:08,116 INFO L82 PathProgramCache]: Analyzing trace with hash 774644568, now seen corresponding path program 1 times [2020-10-13 12:33:08,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:08,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009056458] [2020-10-13 12:33:08,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:08,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:08,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:08,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:11,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:11,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 12:33:11,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:33:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3732 [2020-10-13 12:33:11,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:33:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 12:33:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 12:33:11,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,121 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:12,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:12,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:33:12,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:12,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:12,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:12,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:12,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:12,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:12,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:12,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:12,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:12,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:12,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:12,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:12,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:12,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:12,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:12,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:33:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:33:12,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:33:12,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:33:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 12:33:12,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:12,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:12,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:12,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:12,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:12,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:33:12,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:33:12,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:33:12,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:33:12,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:33:12,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:33:12,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:33:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:33:12,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:12,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:12,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:33:12,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:33:12,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:12,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:12,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:12,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:12,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:12,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:12,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 12:33:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:12,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:33:12,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:12,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 12:33:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:12,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:12,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:12,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:12,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:12,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:12,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:12,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:12,395 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 12:33:12,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009056458] [2020-10-13 12:33:12,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:33:12,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 12:33:12,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714665857] [2020-10-13 12:33:12,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:33:12,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:12,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:33:12,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:33:12,398 INFO L87 Difference]: Start difference. First operand 193 states and 229 transitions. Second operand 12 states. [2020-10-13 12:33:12,947 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:13,836 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:33:14,155 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:33:14,448 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:33:14,683 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:33:15,045 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:15,868 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:33:16,127 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:33:16,399 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:33:16,661 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:33:17,637 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:33:17,883 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:18,139 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:18,378 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:18,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:18,623 INFO L93 Difference]: Finished difference Result 563 states and 739 transitions. [2020-10-13 12:33:18,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 12:33:18,625 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-13 12:33:18,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:18,629 INFO L225 Difference]: With dead ends: 563 [2020-10-13 12:33:18,630 INFO L226 Difference]: Without dead ends: 394 [2020-10-13 12:33:18,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=129, Invalid=627, Unknown=0, NotChecked=0, Total=756 [2020-10-13 12:33:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-13 12:33:18,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 334. [2020-10-13 12:33:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-10-13 12:33:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 405 transitions. [2020-10-13 12:33:18,705 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 405 transitions. Word has length 90 [2020-10-13 12:33:18,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:18,705 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 405 transitions. [2020-10-13 12:33:18,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:33:18,706 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 405 transitions. [2020-10-13 12:33:18,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 12:33:18,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:18,710 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-13 12:33:18,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:33:18,710 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:18,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:18,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1731894223, now seen corresponding path program 1 times [2020-10-13 12:33:18,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:18,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047166244] [2020-10-13 12:33:18,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:18,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:18,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:18,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 12:33:20,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:33:20,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1278 [2020-10-13 12:33:20,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:33:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 12:33:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,232 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:20,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:20,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 12:33:20,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:33:20,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:20,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:20,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:33:20,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:20,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:20,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:33:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:20,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:20,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:20,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:20,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:20,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:20,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:20,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:33:20,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:33:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 12:33:20,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:33:20,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:33:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 12:33:20,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:33:20,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:33:20,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:33:20,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 12:33:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:20,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:33:20,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:33:20,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:20,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:20,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:20,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:33:20,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:33:20,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:33:20,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:20,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:33:20,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:33:20,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:20,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:20,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:20,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:20,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:20,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:20,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:20,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:20,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:33:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:33:20,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:20,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:33:20,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:20,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:20,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:20,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 12:33:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:20,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:20,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:20,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 12:33:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:20,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:20,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:20,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 12:33:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:20,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:20,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:20,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 12:33:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:20,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:20,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:20,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:20,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:20,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:20,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 12:33:20,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047166244] [2020-10-13 12:33:20,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:33:20,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 12:33:20,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343539604] [2020-10-13 12:33:20,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 12:33:20,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:20,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 12:33:20,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:33:20,583 INFO L87 Difference]: Start difference. First operand 334 states and 405 transitions. Second operand 11 states. [2020-10-13 12:33:21,007 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:33:21,756 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-10-13 12:33:24,258 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:26,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:26,016 INFO L93 Difference]: Finished difference Result 1474 states and 2031 transitions. [2020-10-13 12:33:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-13 12:33:26,016 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 122 [2020-10-13 12:33:26,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:26,028 INFO L225 Difference]: With dead ends: 1474 [2020-10-13 12:33:26,029 INFO L226 Difference]: Without dead ends: 1164 [2020-10-13 12:33:26,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992 [2020-10-13 12:33:26,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2020-10-13 12:33:26,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 979. [2020-10-13 12:33:26,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 979 states. [2020-10-13 12:33:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1212 transitions. [2020-10-13 12:33:26,318 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1212 transitions. Word has length 122 [2020-10-13 12:33:26,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:26,318 INFO L479 AbstractCegarLoop]: Abstraction has 979 states and 1212 transitions. [2020-10-13 12:33:26,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 12:33:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1212 transitions. [2020-10-13 12:33:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 12:33:26,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:26,323 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-13 12:33:26,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:33:26,323 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:26,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:26,324 INFO L82 PathProgramCache]: Analyzing trace with hash -122330100, now seen corresponding path program 1 times [2020-10-13 12:33:26,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:26,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168955250] [2020-10-13 12:33:26,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:26,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:26,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:26,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 12:33:28,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:33:28,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1969 [2020-10-13 12:33:28,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:33:28,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-13 12:33:28,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:33:28,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:28,598 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:28,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:28,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 12:33:28,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:28,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:28,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:28,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:28,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:28,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:28,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:28,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:28,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:33:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 12:33:28,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 12:33:28,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:33:28,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:33:28,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:33:28,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:33:28,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:33:28,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:33:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:33:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:33:28,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:28,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:33:28,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:28,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:33:28,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:28,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:28,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:33:28,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:28,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:33:28,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:28,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:33:28,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:28,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:28,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:28,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:28,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:28,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:28,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:33:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:33:28,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:28,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 12:33:28,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:28,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:28,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:28,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 12:33:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:28,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:28,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:28,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 12:33:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:28,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:28,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 12:33:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:28,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:28,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:28,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 12:33:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:28,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:28,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:28,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:28,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:28,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:28,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 12:33:29,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168955250] [2020-10-13 12:33:29,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:33:29,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 12:33:29,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551173852] [2020-10-13 12:33:29,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 12:33:29,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:29,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 12:33:29,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:33:29,035 INFO L87 Difference]: Start difference. First operand 979 states and 1212 transitions. Second operand 11 states. [2020-10-13 12:33:30,326 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:30,587 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:33:30,855 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:33:31,150 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:33:32,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:32,710 INFO L93 Difference]: Finished difference Result 2154 states and 2843 transitions. [2020-10-13 12:33:32,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 12:33:32,710 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 122 [2020-10-13 12:33:32,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:32,719 INFO L225 Difference]: With dead ends: 2154 [2020-10-13 12:33:32,719 INFO L226 Difference]: Without dead ends: 1199 [2020-10-13 12:33:32,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-10-13 12:33:32,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2020-10-13 12:33:32,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1009. [2020-10-13 12:33:32,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2020-10-13 12:33:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1242 transitions. [2020-10-13 12:33:32,935 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1242 transitions. Word has length 122 [2020-10-13 12:33:32,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:32,935 INFO L479 AbstractCegarLoop]: Abstraction has 1009 states and 1242 transitions. [2020-10-13 12:33:32,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 12:33:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1242 transitions. [2020-10-13 12:33:32,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 12:33:32,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:32,945 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-13 12:33:32,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:33:32,946 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:32,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:32,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1611774350, now seen corresponding path program 1 times [2020-10-13 12:33:32,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:32,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140060213] [2020-10-13 12:33:32,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:32,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:33,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:33,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 12:33:34,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:33:34,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1274 [2020-10-13 12:33:34,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 12:33:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:34,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:34,486 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:34,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:34,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:33:34,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:34,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:34,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:34,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:34,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:34,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:34,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:34,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:34,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:34,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:33:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 12:33:34,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 12:33:34,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:34,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:33:34,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:34,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:33:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:33:34,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:33:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:34,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:33:34,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:33:34,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:34,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:34,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:34,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:33:34,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:34,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:33:34,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:33:34,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:33:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:33:34,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:34,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:34,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:34,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:34,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:34,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:33:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:33:34,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:34,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 12:33:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:34,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:34,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 12:33:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:34,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:34,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:34,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 12:33:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:34,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:34,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:34,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 12:33:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:34,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:34,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 12:33:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:34,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:34,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:34,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:34,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:34,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:34,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 12:33:34,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140060213] [2020-10-13 12:33:34,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:33:34,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 12:33:34,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283564304] [2020-10-13 12:33:34,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 12:33:34,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:34,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 12:33:34,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:33:34,845 INFO L87 Difference]: Start difference. First operand 1009 states and 1242 transitions. Second operand 10 states. [2020-10-13 12:33:36,399 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:36,673 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:36,896 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:37,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:37,948 INFO L93 Difference]: Finished difference Result 1922 states and 2493 transitions. [2020-10-13 12:33:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 12:33:37,949 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 122 [2020-10-13 12:33:37,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:37,956 INFO L225 Difference]: With dead ends: 1922 [2020-10-13 12:33:37,957 INFO L226 Difference]: Without dead ends: 937 [2020-10-13 12:33:37,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-13 12:33:37,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-10-13 12:33:38,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 803. [2020-10-13 12:33:38,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-10-13 12:33:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 966 transitions. [2020-10-13 12:33:38,103 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 966 transitions. Word has length 122 [2020-10-13 12:33:38,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:38,104 INFO L479 AbstractCegarLoop]: Abstraction has 803 states and 966 transitions. [2020-10-13 12:33:38,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 12:33:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 966 transitions. [2020-10-13 12:33:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 12:33:38,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:38,107 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] [2020-10-13 12:33:38,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:33:38,107 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:38,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:38,107 INFO L82 PathProgramCache]: Analyzing trace with hash 114903013, now seen corresponding path program 1 times [2020-10-13 12:33:38,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:38,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864952449] [2020-10-13 12:33:38,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:38,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:38,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:38,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:38,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:38,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-13 12:33:43,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:33:43,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 12:33:43,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:33:43,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-13 12:33:43,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 12:33:43,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,382 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:43,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 12:33:43,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:43,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:43,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:43,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:43,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:43,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:33:43,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:43,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:43,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:43,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:43,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:33:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:43,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 12:33:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:43,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:43,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:33:43,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:43,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 12:33:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 12:33:43,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:33:43,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-13 12:33:43,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:33:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 12:33:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:33:43,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:33:43,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:33:43,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:43,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:43,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:43,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:43,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:43,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:43,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:33:43,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:43,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:43,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:33:43,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:33:43,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:43,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:43,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:43,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:33:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:33:43,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:33:43,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:33:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:33:43,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:43,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:33:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:43,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:33:43,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 12:33:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:43,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 12:33:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:43,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:43,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 12:33:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:43,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:43,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 12:33:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:43,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:43,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:43,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:43,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:43,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:43,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:43,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 12:33:43,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864952449] [2020-10-13 12:33:43,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:33:43,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 12:33:43,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854404249] [2020-10-13 12:33:43,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 12:33:43,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:43,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 12:33:43,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:33:43,904 INFO L87 Difference]: Start difference. First operand 803 states and 966 transitions. Second operand 13 states. [2020-10-13 12:33:44,342 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:33:45,014 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:33:45,451 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:33:45,833 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:33:46,353 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-13 12:33:46,842 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-13 12:33:48,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:48,985 INFO L93 Difference]: Finished difference Result 1734 states and 2191 transitions. [2020-10-13 12:33:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 12:33:48,985 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 130 [2020-10-13 12:33:48,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:48,993 INFO L225 Difference]: With dead ends: 1734 [2020-10-13 12:33:48,993 INFO L226 Difference]: Without dead ends: 937 [2020-10-13 12:33:48,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2020-10-13 12:33:48,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-10-13 12:33:49,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 803. [2020-10-13 12:33:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-10-13 12:33:49,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 937 transitions. [2020-10-13 12:33:49,163 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 937 transitions. Word has length 130 [2020-10-13 12:33:49,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:49,164 INFO L479 AbstractCegarLoop]: Abstraction has 803 states and 937 transitions. [2020-10-13 12:33:49,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 12:33:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 937 transitions. [2020-10-13 12:33:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 12:33:49,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:49,166 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:33:49,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:33:49,166 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:49,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:49,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1904484073, now seen corresponding path program 1 times [2020-10-13 12:33:49,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:49,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265649297] [2020-10-13 12:33:49,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:49,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:49,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:49,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:49,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 12:33:49,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:33:49,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-10-13 12:33:49,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:49,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:49,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 12:33:49,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 12:33:49,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:49,876 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:49,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:49,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:49,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:49,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:49,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:33:49,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:49,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:49,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:49,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:49,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:49,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:49,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:49,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:49,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:49,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:49,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:49,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:49,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:49,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:49,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:49,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:49,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:49,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:49,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:49,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:49,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:49,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:49,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:49,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:49,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:49,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:49,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:49,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:49,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:49,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:49,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:49,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:49,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:49,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:49,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:49,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:49,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:49,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:49,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:33:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:49,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:49,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:49,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:49,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:49,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:49,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:49,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:33:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:49,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:49,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:49,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 12:33:49,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:49,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:33:49,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:33:49,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:33:50,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:33:50,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 12:33:50,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:50,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:50,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:50,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:50,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:50,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:50,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:33:50,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:50,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:33:50,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:50,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:50,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:50,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:50,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:50,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:50,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:50,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:50,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:33:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:33:50,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:50,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:33:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:50,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:50,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:50,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 12:33:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:50,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:50,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:50,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 12:33:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:50,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:50,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:50,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 12:33:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:50,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:50,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:50,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 12:33:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:50,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:50,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:50,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:50,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 12:33:50,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265649297] [2020-10-13 12:33:50,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:33:50,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 12:33:50,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373483843] [2020-10-13 12:33:50,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:33:50,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:50,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:33:50,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:33:50,134 INFO L87 Difference]: Start difference. First operand 803 states and 937 transitions. Second operand 8 states. [2020-10-13 12:33:50,555 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:52,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:52,851 INFO L93 Difference]: Finished difference Result 2040 states and 2558 transitions. [2020-10-13 12:33:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 12:33:52,852 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2020-10-13 12:33:52,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:52,861 INFO L225 Difference]: With dead ends: 2040 [2020-10-13 12:33:52,861 INFO L226 Difference]: Without dead ends: 1261 [2020-10-13 12:33:52,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-13 12:33:52,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2020-10-13 12:33:53,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1013. [2020-10-13 12:33:53,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1013 states. [2020-10-13 12:33:53,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1179 transitions. [2020-10-13 12:33:53,086 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1179 transitions. Word has length 126 [2020-10-13 12:33:53,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:53,087 INFO L479 AbstractCegarLoop]: Abstraction has 1013 states and 1179 transitions. [2020-10-13 12:33:53,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:33:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1179 transitions. [2020-10-13 12:33:53,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-13 12:33:53,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:53,090 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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 12:33:53,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 12:33:53,091 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:53,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:53,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1586028523, now seen corresponding path program 1 times [2020-10-13 12:33:53,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:53,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055842318] [2020-10-13 12:33:53,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-13 12:33:53,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:33:53,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-13 12:33:53,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:53,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 12:33:53,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:33:53,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,464 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:53,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:53,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:33:53,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:53,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:53,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:53,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:53,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:33:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:53,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:53,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:33:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:53,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:53,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:33:53,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 12:33:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 12:33:53,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:33:53,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 12:33:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 12:33:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:33:53,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:33:53,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 12:33:53,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:53,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:53,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:53,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:33:53,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:53,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:33:53,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:53,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:53,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:33:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:33:53,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:53,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:33:53,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:53,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 12:33:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:53,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:53,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:53,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 12:33:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:53,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 12:33:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:33:53,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:33:53,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:53,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 12:33:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:53,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 12:33:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:53,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:53,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:53,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:53,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:53,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:53,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-13 12:33:53,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055842318] [2020-10-13 12:33:53,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:33:53,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 12:33:53,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319344251] [2020-10-13 12:33:53,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 12:33:53,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:53,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 12:33:53,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:33:53,654 INFO L87 Difference]: Start difference. First operand 1013 states and 1179 transitions. Second operand 10 states. [2020-10-13 12:33:54,104 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:54,772 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:33:56,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:56,903 INFO L93 Difference]: Finished difference Result 2332 states and 2886 transitions. [2020-10-13 12:33:56,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 12:33:56,903 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2020-10-13 12:33:56,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:56,912 INFO L225 Difference]: With dead ends: 2332 [2020-10-13 12:33:56,912 INFO L226 Difference]: Without dead ends: 1343 [2020-10-13 12:33:56,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=184, Invalid=628, Unknown=0, NotChecked=0, Total=812 [2020-10-13 12:33:56,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-10-13 12:33:57,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1033. [2020-10-13 12:33:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2020-10-13 12:33:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1183 transitions. [2020-10-13 12:33:57,202 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1183 transitions. Word has length 139 [2020-10-13 12:33:57,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:57,203 INFO L479 AbstractCegarLoop]: Abstraction has 1033 states and 1183 transitions. [2020-10-13 12:33:57,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 12:33:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1183 transitions. [2020-10-13 12:33:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-13 12:33:57,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:57,209 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] [2020-10-13 12:33:57,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 12:33:57,209 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:57,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:57,210 INFO L82 PathProgramCache]: Analyzing trace with hash 555633972, now seen corresponding path program 1 times [2020-10-13 12:33:57,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:57,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128387024] [2020-10-13 12:33:57,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 12:33:57,256 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 12:33:57,256 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 12:33:57,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 12:33:57,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:33:57 BoogieIcfgContainer [2020-10-13 12:33:57,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:33:57,332 INFO L168 Benchmark]: Toolchain (without parser) took 80424.43 ms. Allocated memory was 140.5 MB in the beginning and 1.1 GB in the end (delta: 985.7 MB). Free memory was 102.4 MB in the beginning and 446.3 MB in the end (delta: -344.0 MB). Peak memory consumption was 641.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:33:57,333 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:33:57,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.30 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.0 MB in the beginning and 170.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:33:57,340 INFO L168 Benchmark]: Boogie Preprocessor took 86.57 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 165.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:33:57,341 INFO L168 Benchmark]: RCFGBuilder took 1157.72 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.6 MB in the beginning and 192.4 MB in the end (delta: -26.7 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:33:57,344 INFO L168 Benchmark]: TraceAbstraction took 78523.47 ms. Allocated memory was 235.9 MB in the beginning and 1.1 GB in the end (delta: 890.2 MB). Free memory was 192.4 MB in the beginning and 446.3 MB in the end (delta: -254.0 MB). Peak memory consumption was 636.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:33:57,354 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.30 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.0 MB in the beginning and 170.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.57 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 165.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.72 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.6 MB in the beginning and 192.4 MB in the end (delta: -26.7 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 78523.47 ms. Allocated memory was 235.9 MB in the beginning and 1.1 GB in the end (delta: 890.2 MB). Free memory was 192.4 MB in the beginning and 446.3 MB in the end (delta: -254.0 MB). Peak memory consumption was 636.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L498] int pumpRunning = 0; [L499] int systemActive = 1; [L693] int waterLevel = 1; [L694] int methaneLevelCritical = 0; [L851] int cleanupTimeShifts = 4; [L924] int retValue_acc ; [L925] int tmp ; [L929] FCALL select_helpers() [L930] FCALL select_features() [L931] CALL, EXPR valid_product() [L842] int retValue_acc ; [L845] retValue_acc = 1 [L846] return (retValue_acc); [L931] RET, EXPR valid_product() [L931] tmp = valid_product() [L933] COND TRUE \read(tmp) [L935] FCALL setup() [L936] CALL runTest() [L918] CALL test() [L422] int splverifierCounter ; [L423] int tmp ; [L424] int tmp___0 ; [L425] int tmp___1 ; [L426] int tmp___2 ; [L429] splverifierCounter = 0 [L431] COND TRUE 1 [L433] COND TRUE splverifierCounter < 4 [L439] tmp = __VERIFIER_nondet_int() [L441] COND TRUE \read(tmp) [L443] CALL waterRise() [L711] COND TRUE waterLevel < 2 [L712] waterLevel = waterLevel + 1 [L443] RET waterRise() [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___0)) [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___2)) [L467] tmp___1 = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp___1)) [L478] CALL timeShift() [L506] COND FALSE !(\read(pumpRunning)) [L513] COND TRUE \read(systemActive) [L515] CALL processEnvironment() [L535] int tmp ; [L538] COND TRUE ! pumpRunning [L540] CALL, EXPR isHighWaterLevel() [L650] int retValue_acc ; [L651] int tmp ; [L652] int tmp___0 ; [L656] CALL, EXPR isHighWaterSensorDry() [L773] int retValue_acc ; [L776] COND FALSE !(waterLevel < 2) [L780] retValue_acc = 0 [L781] return (retValue_acc); [L656] RET, EXPR isHighWaterSensorDry() [L656] tmp = isHighWaterSensorDry() [L658] COND FALSE !(\read(tmp)) [L661] tmp___0 = 1 [L663] retValue_acc = tmp___0 [L664] return (retValue_acc); [L540] RET, EXPR isHighWaterLevel() [L540] tmp = isHighWaterLevel() [L542] COND TRUE \read(tmp) [L544] CALL activatePump() [L569] int tmp ; [L573] CALL, EXPR isMethaneAlarm() [L594] int retValue_acc ; [L598] CALL, EXPR isMethaneLevelCritical() [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); [L598] RET, EXPR isMethaneLevelCritical() [L598] retValue_acc = isMethaneLevelCritical() [L600] return (retValue_acc); [L573] RET, EXPR isMethaneAlarm() [L573] tmp = isMethaneAlarm() [L575] COND FALSE !(\read(tmp)) [L579] CALL activatePump__wrappee__highWaterSensor() [L563] pumpRunning = 1 [L579] RET activatePump__wrappee__highWaterSensor() [L544] RET activatePump() [L515] RET processEnvironment() [L521] CALL __utac_acc__Specification1_spec__1() [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR isMethaneLevelCritical() [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); [L793] RET, EXPR isMethaneLevelCritical() [L793] tmp = isMethaneLevelCritical() [L795] COND FALSE !(\read(tmp)) [L521] RET __utac_acc__Specification1_spec__1() [L478] RET timeShift() [L431] COND TRUE 1 [L433] COND TRUE splverifierCounter < 4 [L439] tmp = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp)) [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND TRUE \read(tmp___0) [L453] CALL changeMethaneLevel() [L723] COND FALSE !(\read(methaneLevelCritical)) [L726] methaneLevelCritical = 1 [L453] RET changeMethaneLevel() [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___2)) [L467] tmp___1 = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp___1)) [L478] CALL timeShift() [L506] COND TRUE \read(pumpRunning) [L508] CALL lowerWaterLevel() [L699] COND TRUE waterLevel > 0 [L700] waterLevel = waterLevel - 1 [L508] RET lowerWaterLevel() [L513] COND TRUE \read(systemActive) [L515] CALL processEnvironment() [L535] int tmp ; [L538] COND FALSE !(! pumpRunning) [L553] FCALL processEnvironment__wrappee__base() [L515] RET processEnvironment() [L521] CALL __utac_acc__Specification1_spec__1() [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR isMethaneLevelCritical() [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); [L793] RET, EXPR isMethaneLevelCritical() [L793] tmp = isMethaneLevelCritical() [L795] COND TRUE \read(tmp) [L797] CALL, EXPR isPumpRunning() [L605] int retValue_acc ; [L608] retValue_acc = pumpRunning [L609] return (retValue_acc); [L797] RET, EXPR isPumpRunning() [L797] tmp___0 = isPumpRunning() [L799] COND TRUE \read(tmp___0) [L801] CALL __automaton_fail() [L44] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 78.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 37.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1438 SDtfs, 3929 SDslu, 1554 SDs, 0 SdLazy, 8454 SolverSat, 2875 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 574 GetRequests, 391 SyntacticMatches, 2 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1033occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1385 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 38.7s InterpolantComputationTime, 1220 NumberOfCodeBlocks, 1220 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1075 ConstructedInterpolants, 0 QuantifiedInterpolants, 368753 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 166/171 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 incorrect! Received shutdown request...