/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=DEEPEST --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec14_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:47:24,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:47:24,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:47:24,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:47:24,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:47:24,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:47:24,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:47:24,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:47:24,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:47:24,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:47:24,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:47:24,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:47:24,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:47:24,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:47:24,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:47:24,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:47:24,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:47:24,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:47:24,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:47:24,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:47:24,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:47:24,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:47:24,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:47:24,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:47:24,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:47:24,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:47:24,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:47:24,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:47:24,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:47:24,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:47:24,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:47:24,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:47:24,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:47:24,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:47:24,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:47:24,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:47:24,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:47:24,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:47:24,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:47:24,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:47:24,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:47:24,836 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 [2020-10-27 20:47:24,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:47:24,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:47:24,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:47:24,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:47:24,866 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:47:24,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:47:24,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:47:24,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:47:24,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:47:24,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:47:24,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:47:24,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:47:24,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:47:24,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:47:24,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:47:24,869 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:47:24,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:47:24,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:47:24,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:47:24,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:47:24,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:47:24,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:47:24,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:47:24,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:47:24,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:47:24,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:47:24,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:47:24,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:47:24,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:47:24,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:47:25,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:47:25,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:47:25,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:47:25,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:47:25,334 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:47:25,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product24.cil.c [2020-10-27 20:47:25,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5c56bad8/43c4585d92a54a33b4f98a522a15e5da/FLAG410c7f835 [2020-10-27 20:47:26,256 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:47:26,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product24.cil.c [2020-10-27 20:47:26,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5c56bad8/43c4585d92a54a33b4f98a522a15e5da/FLAG410c7f835 [2020-10-27 20:47:26,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5c56bad8/43c4585d92a54a33b4f98a522a15e5da [2020-10-27 20:47:26,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:47:26,365 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:47:26,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:47:26,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:47:26,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:47:26,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:47:26" (1/1) ... [2020-10-27 20:47:26,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa7e4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:26, skipping insertion in model container [2020-10-27 20:47:26,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:47:26" (1/1) ... [2020-10-27 20:47:26,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:47:26,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:47:27,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:47:27,065 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:47:27,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:47:27,405 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:47:27,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:27 WrapperNode [2020-10-27 20:47:27,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:47:27,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:47:27,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:47:27,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:47:27,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:27" (1/1) ... [2020-10-27 20:47:27,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:27" (1/1) ... [2020-10-27 20:47:27,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:27" (1/1) ... [2020-10-27 20:47:27,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:27" (1/1) ... [2020-10-27 20:47:27,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:27" (1/1) ... [2020-10-27 20:47:27,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:27" (1/1) ... [2020-10-27 20:47:27,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:27" (1/1) ... [2020-10-27 20:47:27,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:47:27,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:47:27,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:47:27,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:47:27,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:27" (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 [2020-10-27 20:47:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-27 20:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 20:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 20:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 20:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 20:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 20:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 20:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:47:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:47:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:47:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:47:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:47:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:47:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:47:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:47:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:47:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:47:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:47:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:47:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:47:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:47:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:47:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:47:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:47:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:47:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:47:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:47:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:47:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:47:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:47:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:47:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:47:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:47:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:47:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:47:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:47:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:47:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:47:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:47:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:47:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:47:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:47:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:47:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:47:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:47:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:47:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:47:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:47:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:47:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:47:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:47:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:47:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:47:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:47:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:47:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 20:47:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 20:47:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-27 20:47:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:47:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:47:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:47:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:47:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:47:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:47:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:47:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:47:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:47:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:47:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:47:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:47:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:47:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:47:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:47:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:47:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:47:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:47:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:47:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:47:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:47:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:47:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 20:47:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:47:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:47:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:47:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 20:47:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:47:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:47:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:47:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 20:47:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 20:47:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:47:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:47:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:47:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:47:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:47:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:47:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:47:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:47:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:47:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:47:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:47:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:47:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:47:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:47:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:47:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:47:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:47:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:47:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:47:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:47:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:47:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:47:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:47:30,617 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:47:30,617 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:47:30,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:47:30 BoogieIcfgContainer [2020-10-27 20:47:30,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:47:30,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:47:30,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:47:30,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:47:30,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:47:26" (1/3) ... [2020-10-27 20:47:30,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de1f065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:47:30, skipping insertion in model container [2020-10-27 20:47:30,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:47:27" (2/3) ... [2020-10-27 20:47:30,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de1f065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:47:30, skipping insertion in model container [2020-10-27 20:47:30,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:47:30" (3/3) ... [2020-10-27 20:47:30,638 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product24.cil.c [2020-10-27 20:47:30,652 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:47:30,659 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:47:30,672 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:47:30,706 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:47:30,707 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:47:30,707 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:47:30,707 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:47:30,707 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:47:30,707 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:47:30,707 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:47:30,707 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:47:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states. [2020-10-27 20:47:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 20:47:30,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:47:30,777 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] [2020-10-27 20:47:30,777 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:47:30,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:47:30,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1316840659, now seen corresponding path program 1 times [2020-10-27 20:47:30,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:47:30,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69392505] [2020-10-27 20:47:30,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:47:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:31,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:31,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:31,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:33,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:36,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:36,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 20:47:36,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:47:36,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-27 20:47:36,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:36,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:36,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 20:47:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:47:36,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:47:37,583 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:47:37,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:47:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:37,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:37,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:37,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:37,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:37,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 20:47:37,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:37,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:37,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:37,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:37,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:37,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:47:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:37,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:37,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:37,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:47:37,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:37,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:37,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:37,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:37,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:47:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:37,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:37,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:37,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:47:37,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:37,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:37,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:37,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:37,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:47:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:37,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:37,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:37,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:37,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:37,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:37,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:37,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:37,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:47:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:37,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:37,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:37,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:47:37,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:37,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:37,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:37,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:37,985 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:47:37,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:47:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:38,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:38,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:47:38,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:47:38,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 716 [2020-10-27 20:47:38,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:47:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:47:38,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:47:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:38,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:38,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:47:38,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:47:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:47:38,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:47:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:47:38,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:38,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:47:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:38,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:38,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:47:38,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 20:47:38,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:38,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:38,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:47:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:47:38,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:47:38,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:47:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:38,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:38,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:47:38,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:38,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:47:38,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:47:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:47:38,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:47:38,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:47:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:38,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:38,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:38,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:47:38,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:47:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:38,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:38,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:47:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:38,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:47:38,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:47:38,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:47:38,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:38,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:38,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:47:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:38,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:38,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:47:38,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:38,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:38,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:38,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 20:47:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:38,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:38,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:38,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:38,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:47:38,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:47:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:38,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 20:47:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:38,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:38,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:38,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:38,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:47:38,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:47:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:38,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 20:47:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:38,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:39,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:39,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:39,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:39,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:47:39,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:47:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:47:39,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69392505] [2020-10-27 20:47:39,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:47:39,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:47:39,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823759772] [2020-10-27 20:47:39,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:47:39,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:47:39,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:47:39,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:47:39,092 INFO L87 Difference]: Start difference. First operand 786 states. Second operand 9 states. [2020-10-27 20:47:41,911 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:47:43,157 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:47:44,655 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:47:55,561 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:47:57,849 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:47:59,027 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:48:07,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:48:07,601 INFO L93 Difference]: Finished difference Result 1558 states and 2599 transitions. [2020-10-27 20:48:07,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:48:07,606 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-27 20:48:07,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:48:07,643 INFO L225 Difference]: With dead ends: 1558 [2020-10-27 20:48:07,644 INFO L226 Difference]: Without dead ends: 912 [2020-10-27 20:48:07,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:48:07,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-27 20:48:08,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 672. [2020-10-27 20:48:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-27 20:48:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1070 transitions. [2020-10-27 20:48:08,025 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1070 transitions. Word has length 88 [2020-10-27 20:48:08,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:48:08,026 INFO L481 AbstractCegarLoop]: Abstraction has 672 states and 1070 transitions. [2020-10-27 20:48:08,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:48:08,029 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1070 transitions. [2020-10-27 20:48:08,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 20:48:08,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:48:08,044 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] [2020-10-27 20:48:08,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:48:08,044 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:48:08,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:48:08,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1477581248, now seen corresponding path program 1 times [2020-10-27 20:48:08,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:48:08,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076681459] [2020-10-27 20:48:08,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:48:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:08,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:08,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:08,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:08,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:13,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:13,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 20:48:13,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:48:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 20:48:13,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 20:48:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:14,331 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:48:14,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:48:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:14,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:14,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:14,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:14,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:14,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 20:48:14,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:14,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:14,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:48:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:14,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:14,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:14,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:14,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:14,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:14,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:14,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:48:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:14,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:14,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:14,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:14,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:14,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:14,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:14,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:14,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:48:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:14,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:14,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:14,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:14,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:14,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:14,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:14,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:14,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:14,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:14,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:14,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:48:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:14,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:14,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:14,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:14,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:14,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:14,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:14,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:14,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:14,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:14,562 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:48:14,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:48:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:14,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:14,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:14,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:14,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:15,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 20:48:15,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:48:15,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-27 20:48:15,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:48:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:15,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:15,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:15,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:48:15,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:48:15,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:48:15,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:48:15,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:15,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:48:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:15,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:48:15,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:48:15,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:48:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:15,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:48:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:15,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:15,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:15,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:15,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:48:15,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:48:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:15,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:15,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:48:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:15,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:15,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:15,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:15,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:15,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:15,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:15,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:15,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:15,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:15,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:48:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:15,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:15,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:48:15,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:15,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:48:15,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:15,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:15,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:48:15,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:15,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:15,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:15,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:15,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:15,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:15,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:15,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:15,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:15,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:15,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:15,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:15,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 20:48:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:15,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:15,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:15,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:15,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:15,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:15,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:15,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:15,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:15,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 20:48:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:15,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:15,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:15,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:15,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:15,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:15,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 20:48:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:15,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:15,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:15,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:15,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:15,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:15,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:15,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:15,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:48:15,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076681459] [2020-10-27 20:48:15,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:48:15,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:48:15,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643225164] [2020-10-27 20:48:15,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:48:15,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:48:15,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:48:15,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:48:15,360 INFO L87 Difference]: Start difference. First operand 672 states and 1070 transitions. Second operand 9 states. [2020-10-27 20:48:17,867 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:48:19,039 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:48:20,349 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:48:37,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:48:37,249 INFO L93 Difference]: Finished difference Result 1563 states and 2594 transitions. [2020-10-27 20:48:37,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:48:37,250 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-27 20:48:37,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:48:37,261 INFO L225 Difference]: With dead ends: 1563 [2020-10-27 20:48:37,261 INFO L226 Difference]: Without dead ends: 912 [2020-10-27 20:48:37,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:48:37,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-27 20:48:37,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 672. [2020-10-27 20:48:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-27 20:48:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1058 transitions. [2020-10-27 20:48:37,456 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1058 transitions. Word has length 90 [2020-10-27 20:48:37,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:48:37,456 INFO L481 AbstractCegarLoop]: Abstraction has 672 states and 1058 transitions. [2020-10-27 20:48:37,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:48:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1058 transitions. [2020-10-27 20:48:37,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 20:48:37,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:48:37,459 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:48:37,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:48:37,459 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:48:37,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:48:37,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1397332012, now seen corresponding path program 1 times [2020-10-27 20:48:37,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:48:37,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197201583] [2020-10-27 20:48:37,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:48:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:37,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:37,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:37,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:37,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:38,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:42,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:42,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 20:48:42,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:48:42,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-27 20:48:42,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:42,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:42,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 20:48:42,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:48:42,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:43,791 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:48:43,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:48:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:43,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:43,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:43,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:43,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 20:48:43,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:48:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:43,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:43,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:43,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:43,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:43,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:43,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:43,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:48:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:43,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:43,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:43,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:43,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:43,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:43,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:43,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:43,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:43,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:43,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:48:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:43,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:43,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:43,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:43,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:43,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:43,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:43,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:43,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:43,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:43,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:48:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:43,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:43,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:43,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:43,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:43,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:44,066 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:48:44,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:48:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:44,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:44,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:48:44,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:48:44,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 431 [2020-10-27 20:48:44,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:48:44,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:48:44,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:44,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:44,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:44,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:48:44,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:48:44,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:48:44,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:44,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:48:44,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:44,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:48:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:44,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:44,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 20:48:44,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:48:44,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 20:48:44,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:44,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:48:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:44,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:44,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:44,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:48:44,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:48:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:44,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:48:44,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:48:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:44,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:44,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:44,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:44,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:44,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:44,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:44,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:44,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:48:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:44,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:44,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:48:44,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:44,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:44,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:48:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:44,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:44,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:44,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:44,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:44,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:44,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:44,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:44,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 20:48:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:44,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:44,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:44,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:44,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:44,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:44,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:44,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 20:48:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:44,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:44,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:44,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:44,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:44,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:44,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:44,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:44,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:44,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:44,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 20:48:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:44,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:44,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:44,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:44,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:44,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:48:44,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197201583] [2020-10-27 20:48:44,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:48:44,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:48:44,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996429187] [2020-10-27 20:48:44,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:48:44,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:48:44,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:48:44,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:48:44,756 INFO L87 Difference]: Start difference. First operand 672 states and 1058 transitions. Second operand 9 states. [2020-10-27 20:48:47,556 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:48:48,815 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:48:50,148 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:00,028 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:02,173 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:03,370 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:49:13,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:49:13,404 INFO L93 Difference]: Finished difference Result 1556 states and 2559 transitions. [2020-10-27 20:49:13,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:49:13,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-10-27 20:49:13,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:49:13,414 INFO L225 Difference]: With dead ends: 1556 [2020-10-27 20:49:13,414 INFO L226 Difference]: Without dead ends: 912 [2020-10-27 20:49:13,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:49:13,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-27 20:49:13,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 672. [2020-10-27 20:49:13,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-27 20:49:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1052 transitions. [2020-10-27 20:49:13,595 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1052 transitions. Word has length 92 [2020-10-27 20:49:13,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:49:13,596 INFO L481 AbstractCegarLoop]: Abstraction has 672 states and 1052 transitions. [2020-10-27 20:49:13,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:49:13,596 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1052 transitions. [2020-10-27 20:49:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 20:49:13,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:49:13,598 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:49:13,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:49:13,599 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:49:13,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:49:13,599 INFO L82 PathProgramCache]: Analyzing trace with hash -293245993, now seen corresponding path program 1 times [2020-10-27 20:49:13,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:49:13,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786465966] [2020-10-27 20:49:13,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:49:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:13,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:13,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:13,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:14,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:18,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:18,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 20:49:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:49:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 20:49:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-27 20:49:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:49:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:19,909 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:49:19,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:49:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:19,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:19,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:19,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:19,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:19,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 20:49:19,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:19,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:49:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:20,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:20,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:20,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:20,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:20,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:49:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:20,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:20,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:20,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:49:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:20,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:49:20,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:49:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:20,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:20,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:20,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,169 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:49:20,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:49:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 20:49:20,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:49:20,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-27 20:49:20,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:49:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:49:20,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:49:20,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:49:20,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:49:20,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:49:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:49:20,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:49:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:49:20,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 20:49:20,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:49:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:49:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:49:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:49:20,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:49:20,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:49:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:49:20,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 20:49:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:20,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:20,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:20,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:20,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:20,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 20:49:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:49:20,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:49:20,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:49:20,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:20,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:49:20,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:20,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:20,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 20:49:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:20,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:20,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 20:49:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:20,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:49:20,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:20,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 20:49:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:20,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:20,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:20,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:20,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:20,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:20,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:20,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:20,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:20,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:20,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:49:20,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786465966] [2020-10-27 20:49:20,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:49:20,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:49:20,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958861589] [2020-10-27 20:49:20,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:49:20,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:49:20,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:49:20,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:49:20,892 INFO L87 Difference]: Start difference. First operand 672 states and 1052 transitions. Second operand 9 states. [2020-10-27 20:49:23,456 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:24,722 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:49:26,038 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:35,658 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:37,964 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:39,227 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:49:47,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:49:47,672 INFO L93 Difference]: Finished difference Result 1556 states and 2548 transitions. [2020-10-27 20:49:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:49:47,673 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-10-27 20:49:47,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:49:47,681 INFO L225 Difference]: With dead ends: 1556 [2020-10-27 20:49:47,681 INFO L226 Difference]: Without dead ends: 912 [2020-10-27 20:49:47,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:49:47,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-27 20:49:47,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 672. [2020-10-27 20:49:47,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-27 20:49:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1046 transitions. [2020-10-27 20:49:47,844 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1046 transitions. Word has length 94 [2020-10-27 20:49:47,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:49:47,844 INFO L481 AbstractCegarLoop]: Abstraction has 672 states and 1046 transitions. [2020-10-27 20:49:47,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:49:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1046 transitions. [2020-10-27 20:49:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 20:49:47,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:49:47,846 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:49:47,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:49:47,847 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:49:47,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:49:47,847 INFO L82 PathProgramCache]: Analyzing trace with hash -615078988, now seen corresponding path program 1 times [2020-10-27 20:49:47,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:49:47,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377112870] [2020-10-27 20:49:47,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:49:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:47,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:48,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:48,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:48,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:52,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:52,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 20:49:52,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:49:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-27 20:49:52,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:49:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 20:49:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:49:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:54,125 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:49:54,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:49:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:54,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:54,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:54,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:54,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 20:49:54,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:54,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:54,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:54,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:54,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:49:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:54,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:54,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:54,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:54,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:54,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:54,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:54,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:54,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:54,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:54,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:49:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:54,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:54,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:54,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:54,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:54,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:54,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:54,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:54,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:54,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:54,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:49:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:54,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:54,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:54,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:54,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:49:54,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:54,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:54,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:49:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:54,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:54,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:54,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:54,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:54,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:54,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:54,371 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:49:54,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:49:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:54,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:54,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:49:54,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:49:54,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 537 [2020-10-27 20:49:54,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:54,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:49:54,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 20:49:54,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:49:54,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:54,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:54,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:54,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 20:49:54,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:49:54,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:49:54,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:49:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:49:54,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:54,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:49:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:54,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:54,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:54,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:49:54,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:54,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:49:54,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:49:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:49:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:49:54,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:55,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:49:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:55,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:55,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:55,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:49:55,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:55,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:49:55,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:49:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:49:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:49:55,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:55,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 20:49:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:55,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:55,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:55,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:55,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:55,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:55,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:55,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:55,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:55,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:55,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:55,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 20:49:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:55,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:55,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:55,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:49:55,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:55,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:49:55,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:55,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:55,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:49:55,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:55,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:55,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:55,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:55,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:55,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:49:55,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:55,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:55,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:55,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:55,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 20:49:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:55,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:55,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:55,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:55,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:55,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:55,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:55,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:55,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 20:49:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:55,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:55,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:55,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:55,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:55,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:55,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:55,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:55,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:55,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:55,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:55,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 20:49:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:55,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:55,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:55,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:55,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:55,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:55,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:55,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:55,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:55,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:55,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:49:55,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377112870] [2020-10-27 20:49:55,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:49:55,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 20:49:55,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921552870] [2020-10-27 20:49:55,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 20:49:55,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:49:55,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 20:49:55,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:49:55,198 INFO L87 Difference]: Start difference. First operand 672 states and 1046 transitions. Second operand 10 states. [2020-10-27 20:49:57,897 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:59,084 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:50:00,487 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 20:50:01,850 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 20:50:12,416 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:50:23,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:50:23,798 INFO L93 Difference]: Finished difference Result 1569 states and 2568 transitions. [2020-10-27 20:50:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 20:50:23,804 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2020-10-27 20:50:23,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:50:23,812 INFO L225 Difference]: With dead ends: 1569 [2020-10-27 20:50:23,813 INFO L226 Difference]: Without dead ends: 930 [2020-10-27 20:50:23,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2020-10-27 20:50:23,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2020-10-27 20:50:24,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 676. [2020-10-27 20:50:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-10-27 20:50:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1052 transitions. [2020-10-27 20:50:24,026 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1052 transitions. Word has length 95 [2020-10-27 20:50:24,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:50:24,027 INFO L481 AbstractCegarLoop]: Abstraction has 676 states and 1052 transitions. [2020-10-27 20:50:24,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 20:50:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1052 transitions. [2020-10-27 20:50:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 20:50:24,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:50:24,028 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:50:24,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:50:24,029 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:50:24,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:50:24,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1048442675, now seen corresponding path program 1 times [2020-10-27 20:50:24,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:50:24,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185427826] [2020-10-27 20:50:24,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:50:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:24,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:24,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:24,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:26,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:26,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:29,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:29,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 20:50:29,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:50:29,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 20:50:29,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-27 20:50:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:50:29,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,295 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:50:30,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:30,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 20:50:30,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:30,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:50:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:30,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:30,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:30,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:50:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:30,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:50:30,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:30,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:50:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:30,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:30,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:50:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:30,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:30,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,521 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:50:30,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:50:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:50:30,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:50:30,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-27 20:50:30,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:30,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:50:30,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:50:30,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:50:30,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:30,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:50:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:50:30,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:50:30,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 20:50:30,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:50:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:30,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:30,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:50:30,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:30,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:50:30,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:50:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:30,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:30,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 20:50:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:50:30,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:30,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:50:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:30,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:30,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 20:50:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:30,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:30,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:30,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 20:50:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:30,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:30,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 20:50:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:30,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:30,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:30,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:30,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:30,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:30,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:30,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:50:30,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185427826] [2020-10-27 20:50:30,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:50:30,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 20:50:30,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857914274] [2020-10-27 20:50:30,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 20:50:30,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:50:30,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 20:50:30,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:50:30,947 INFO L87 Difference]: Start difference. First operand 676 states and 1052 transitions. Second operand 7 states. [2020-10-27 20:50:33,144 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:50:42,508 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:50:43,690 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:50:50,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:50:50,608 INFO L93 Difference]: Finished difference Result 1523 states and 2497 transitions. [2020-10-27 20:50:50,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:50:50,610 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2020-10-27 20:50:50,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:50:50,619 INFO L225 Difference]: With dead ends: 1523 [2020-10-27 20:50:50,619 INFO L226 Difference]: Without dead ends: 918 [2020-10-27 20:50:50,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:50:50,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2020-10-27 20:50:50,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 676. [2020-10-27 20:50:50,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-10-27 20:50:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1047 transitions. [2020-10-27 20:50:50,808 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1047 transitions. Word has length 97 [2020-10-27 20:50:50,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:50:50,809 INFO L481 AbstractCegarLoop]: Abstraction has 676 states and 1047 transitions. [2020-10-27 20:50:50,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 20:50:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1047 transitions. [2020-10-27 20:50:50,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 20:50:50,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:50:50,811 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:50:50,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 20:50:50,811 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:50:50,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:50:50,812 INFO L82 PathProgramCache]: Analyzing trace with hash -336075532, now seen corresponding path program 1 times [2020-10-27 20:50:50,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:50:50,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8580124] [2020-10-27 20:50:50,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:50:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:50,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:50,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:50,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:51,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:52,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:55,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:55,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 20:50:55,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:50:55,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 20:50:55,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:55,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:50:55,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 20:50:55,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:50:55,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:56,991 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:50:56,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:57,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 20:50:57,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:57,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:50:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:57,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:57,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:50:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:57,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:57,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:50:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:57,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:57,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:50:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:57,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:57,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,211 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:50:57,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:50:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:50:57,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:50:57,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-27 20:50:57,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:50:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 20:50:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:50:57,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:50:57,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:57,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:50:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:50:57,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 20:50:57,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:50:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 20:50:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:50:57,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:50:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:50:57,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:50:57,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:50:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:50:57,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:50:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:57,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:57,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 20:50:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:50:57,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:57,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:50:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:57,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:57,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 20:50:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:57,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:57,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 20:50:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:57,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:57,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 20:50:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:57,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:57,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:57,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:57,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:57,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:57,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:50:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:57,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:50:57,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8580124] [2020-10-27 20:50:57,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:50:57,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 20:50:57,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077024928] [2020-10-27 20:50:57,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:50:57,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:50:57,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:50:57,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:50:57,560 INFO L87 Difference]: Start difference. First operand 676 states and 1047 transitions. Second operand 8 states. [2020-10-27 20:50:59,905 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 20:51:01,190 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 407