/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=SHALLOWEST --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_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:14:16,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:14:16,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:14:16,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:14:16,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:14:16,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:14:16,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:14:16,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:14:16,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:14:16,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:14:16,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:14:16,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:14:16,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:14:16,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:14:16,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:14:16,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:14:16,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:14:16,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:14:16,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:14:16,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:14:16,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:14:16,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:14:16,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:14:16,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:14:16,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:14:16,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:14:16,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:14:16,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:14:16,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:14:16,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:14:16,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:14:16,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:14:16,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:14:16,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:14:16,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:14:16,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:14:16,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:14:16,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:14:16,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:14:16,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:14:16,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:14:16,753 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 02:14:16,780 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:14:16,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:14:16,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:14:16,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:14:16,782 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:14:16,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:14:16,783 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:14:16,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:14:16,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:14:16,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:14:16,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:14:16,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:14:16,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:14:16,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:14:16,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:14:16,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:14:16,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:14:16,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:14:16,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:14:16,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:14:16,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:14:16,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:14:16,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:14:16,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:14:16,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:14:16,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:14:16,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:14:16,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:14:16,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:14:16,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:14:17,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:14:17,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:14:17,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:14:17,226 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:14:17,227 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:14:17,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product31.cil.c [2020-10-27 02:14:17,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d4c6a5c9/9fc09a7a45bc47fb8eeff5bc7ea35845/FLAGfa4a19167 [2020-10-27 02:14:18,263 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:14:18,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product31.cil.c [2020-10-27 02:14:18,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d4c6a5c9/9fc09a7a45bc47fb8eeff5bc7ea35845/FLAGfa4a19167 [2020-10-27 02:14:18,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d4c6a5c9/9fc09a7a45bc47fb8eeff5bc7ea35845 [2020-10-27 02:14:18,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:14:18,387 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:14:18,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:14:18,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:14:18,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:14:18,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:14:18" (1/1) ... [2020-10-27 02:14:18,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39929816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:18, skipping insertion in model container [2020-10-27 02:14:18,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:14:18" (1/1) ... [2020-10-27 02:14:18,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:14:18,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:14:19,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:14:19,227 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:14:19,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:14:19,472 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:14:19,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:19 WrapperNode [2020-10-27 02:14:19,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:14:19,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:14:19,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:14:19,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:14:19,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:19" (1/1) ... [2020-10-27 02:14:19,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:19" (1/1) ... [2020-10-27 02:14:19,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:19" (1/1) ... [2020-10-27 02:14:19,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:19" (1/1) ... [2020-10-27 02:14:19,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:19" (1/1) ... [2020-10-27 02:14:19,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:19" (1/1) ... [2020-10-27 02:14:19,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:19" (1/1) ... [2020-10-27 02:14:19,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:14:19,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:14:19,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:14:19,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:14:19,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:19" (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 02:14:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:14:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:14:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:14:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:14:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:14:19,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:14:19,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:14:19,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:14:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:14:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:14:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:14:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:14:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:14:19,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:14:19,821 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:14:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:14:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:14:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:14:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:14:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:14:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:14:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:14:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:14:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:14:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:14:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:14:19,823 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:14:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:14:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:14:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:14:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:14:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:14:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:14:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:14:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:14:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:14:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:14:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:14:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:14:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:14:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:14:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:14:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:14:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:14:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:14:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:14:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:14:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:14:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:14:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:14:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:14:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:14:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:14:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:14:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:14:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:14:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:14:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:14:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:14:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:14:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:14:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:14:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:14:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:14:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:14:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:14:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:14:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:14:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:14:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:14:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:14:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:14:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:14:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:14:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:14:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:14:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:14:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:14:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:14:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:14:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:14:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:14:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:14:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:14:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:14:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:14:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:14:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:14:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:14:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:14:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:14:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:14:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:14:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:14:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:14:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:14:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:14:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:14:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:14:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:14:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:14:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:14:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:14:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:14:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:14:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:14:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:14:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:14:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:14:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:14:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:14:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:14:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:14:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:14:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:14:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:14:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:14:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:14:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:14:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:14:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:14:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:14:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:14:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:14:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:14:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:14:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:14:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:14:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:14:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:14:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:14:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:14:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:14:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:14:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:14:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:14:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:14:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:14:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:14:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:14:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:14:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:14:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:14:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:14:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:14:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:14:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:14:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:14:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:14:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:14:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:14:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:14:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:14:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:14:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:14:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:14:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:14:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:14:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:14:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:14:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:14:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:14:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:14:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:14:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:14:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:14:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:14:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:14:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:14:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:14:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:14:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:14:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:14:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:14:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:14:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:14:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:14:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:14:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:14:22,847 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:14:22,851 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:14:22,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:14:22 BoogieIcfgContainer [2020-10-27 02:14:22,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:14:22,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:14:22,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:14:22,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:14:22,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:14:18" (1/3) ... [2020-10-27 02:14:22,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dba2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:14:22, skipping insertion in model container [2020-10-27 02:14:22,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:14:19" (2/3) ... [2020-10-27 02:14:22,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dba2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:14:22, skipping insertion in model container [2020-10-27 02:14:22,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:14:22" (3/3) ... [2020-10-27 02:14:22,872 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product31.cil.c [2020-10-27 02:14:22,885 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:14:22,891 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:14:22,906 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:14:22,942 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:14:22,943 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:14:22,943 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:14:22,943 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:14:22,943 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:14:22,943 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:14:22,943 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:14:22,943 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:14:22,982 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states. [2020-10-27 02:14:23,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 02:14:23,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:14:23,023 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:23,024 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 02:14:23,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:14:23,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1907344321, now seen corresponding path program 1 times [2020-10-27 02:14:23,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:14:23,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385215406] [2020-10-27 02:14:23,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:14:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:23,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:23,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:24,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:24,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:24,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:24,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:25,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:25,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:28,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:28,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 02:14:28,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:14:28,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-27 02:14:28,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:14:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:14:28,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:14:30,010 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:14:30,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:30,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:30,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:30,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:30,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:30,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 02:14:30,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:30,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:30,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:30,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:14:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:30,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:30,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:30,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:30,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:30,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:30,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:30,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:30,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:30,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:14:30,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:14:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:30,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:30,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:30,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:30,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:30,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:30,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:30,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:30,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:14:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:30,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:30,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:30,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:30,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:30,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:30,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:30,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:30,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:30,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:14:30,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:14:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:30,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:30,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:30,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:30,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:30,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:30,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:30,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:30,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:30,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:30,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:14:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:30,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:30,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:30,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:30,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:30,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:14:30,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:30,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:30,478 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:14:30,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:14:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:30,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:30,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:30,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:30,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:31,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:31,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:31,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:35,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:35,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 02:14:35,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:14:35,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 02:14:35,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:14:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:14:35,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:35,745 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:14:35,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:35,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:35,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:35,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:35,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:35,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:37,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:37,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:14:37,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:14:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1467 [2020-10-27 02:14:37,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:14:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:14:37,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:37,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:37,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:37,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:37,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:37,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:37,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:37,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:14:37,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:37,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:14:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:37,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:37,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:37,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:37,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:14:37,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:37,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 02:14:37,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:37,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:14:37,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:37,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:14:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:37,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:37,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:37,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:37,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:14:37,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:37,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:14:37,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:37,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:37,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:37,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:37,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:37,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:37,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:37,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:37,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:37,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 02:14:37,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:14:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:37,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:37,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:37,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:37,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:38,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:38,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:38,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:14:38,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:14:38,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 976 [2020-10-27 02:14:38,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:14:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:14:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:38,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:38,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:38,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:38,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:38,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:38,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:14:38,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:38,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:14:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:38,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:38,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:38,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:38,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:14:38,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:38,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 02:14:38,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:38,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:14:38,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:38,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:14:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:38,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:38,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:38,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:38,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:38,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:14:38,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:38,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:14:38,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:38,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:38,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:38,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:38,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:38,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:14:38,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:38,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:38,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:14:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:38,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:38,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:38,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:39,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:42,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:43,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:43,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 02:14:43,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:14:43,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:14:43,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:14:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 02:14:43,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:14:43,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:43,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:43,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:43,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:43,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 02:14:48,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:14:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4374 [2020-10-27 02:14:48,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:14:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:14:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:14:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:48,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:14:48,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:14:48,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:14:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:14:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:48,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:48,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:14:48,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:14:48,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:48,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:14:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:48,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:48,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:14:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:14:48,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:14:48,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:14:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:48,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:48,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:14:48,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:48,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:14:48,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:48,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:14:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:14:48,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:14:48,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:48,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:48,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:14:48,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:48,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:48,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:14:48,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:48,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:48,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:48,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:48,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:48,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:48,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:48,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:48,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:48,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:48,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:14:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:48,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:48,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:48,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:48,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:14:48,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:14:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:14:48,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:14:48,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:14:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:14:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:14:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:48,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:14:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:14:48,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:48,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:48,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:14:48,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:48,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:48,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:48,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:48,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:48,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:48,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:48,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:48,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:48,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:48,800 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-27 02:14:48,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385215406] [2020-10-27 02:14:48,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:14:48,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 02:14:48,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757334116] [2020-10-27 02:14:48,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 02:14:48,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:14:48,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 02:14:48,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:14:48,830 INFO L87 Difference]: Start difference. First operand 822 states. Second operand 21 states. [2020-10-27 02:14:51,577 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:14:52,797 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:14:54,245 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:14:58,952 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:15:00,144 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:15:01,424 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:15:03,055 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:15:04,300 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:15:05,594 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:15:06,852 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:15:08,162 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:15:09,474 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:15:10,794 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:15:12,090 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:15:13,461 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:15:14,752 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:15:15,246 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:15:16,670 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:15:16,949 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:15:18,318 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:15:19,772 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:15:21,789 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:15:23,307 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:15:24,262 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:15:24,595 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:15:27,260 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:15:29,149 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:15:32,750 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:15:34,520 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:15:38,184 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:15:45,024 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:15:45,573 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:15:46,938 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:15:48,182 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:15:50,425 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:15:52,467 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:15:52,964 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:15:55,806 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:15:56,131 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 02:15:56,551 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:16:04,610 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:16:05,876 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:16:07,102 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:16:08,530 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:16:09,184 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:16:09,482 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:16:13,942 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:16:16,471 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:16:17,575 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:16:21,487 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:17:07,131 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:17:21,685 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:17:23,528 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:17:43,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:17:43,536 INFO L93 Difference]: Finished difference Result 5214 states and 9710 transitions. [2020-10-27 02:17:43,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2020-10-27 02:17:43,540 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 165 [2020-10-27 02:17:43,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:17:43,627 INFO L225 Difference]: With dead ends: 5214 [2020-10-27 02:17:43,627 INFO L226 Difference]: Without dead ends: 4482 [2020-10-27 02:17:43,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3946 ImplicationChecksByTransitivity, 53.1s TimeCoverageRelationStatistics Valid=1739, Invalid=9603, Unknown=0, NotChecked=0, Total=11342 [2020-10-27 02:17:43,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2020-10-27 02:17:44,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 2844. [2020-10-27 02:17:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2844 states. [2020-10-27 02:17:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2844 states and 4546 transitions. [2020-10-27 02:17:44,877 INFO L78 Accepts]: Start accepts. Automaton has 2844 states and 4546 transitions. Word has length 165 [2020-10-27 02:17:44,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:17:44,877 INFO L481 AbstractCegarLoop]: Abstraction has 2844 states and 4546 transitions. [2020-10-27 02:17:44,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 02:17:44,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 4546 transitions. [2020-10-27 02:17:44,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-27 02:17:44,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:17:44,901 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:44,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:17:44,902 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 02:17:44,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:17:44,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1002213102, now seen corresponding path program 1 times [2020-10-27 02:17:44,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:17:44,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902034193] [2020-10-27 02:17:44,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:17:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:45,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:45,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:45,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:45,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:45,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:45,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:45,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:46,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:47,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:50,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:50,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 02:17:50,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:17:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-27 02:17:50,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:17:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:17:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-27 02:17:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:51,248 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:17:51,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:51,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:51,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:51,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:51,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:51,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 02:17:51,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:51,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:51,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:51,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:17:51,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:51,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:17:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:51,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:51,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:51,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:51,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:51,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:51,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:51,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:51,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:51,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:51,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:51,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:17:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:51,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:51,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:51,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:51,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:51,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:51,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:51,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:51,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:51,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:51,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:51,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:17:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:51,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:51,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:51,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:51,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:51,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:51,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:51,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:51,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:17:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:51,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:51,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:51,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:51,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:51,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:51,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:51,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:51,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:51,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:51,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:51,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:17:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:51,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:51,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:51,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:51,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:51,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:17:51,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:51,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:51,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:51,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:51,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:51,697 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:17:51,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:17:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:51,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:51,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:51,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:51,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:51,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:52,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:52,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:54,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:54,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:54,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:56,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:56,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-27 02:17:56,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:17:56,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 02:17:56,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:56,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:56,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:17:56,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:56,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:56,929 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:17:56,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:56,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:56,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:57,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:17:57,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:17:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 695 [2020-10-27 02:17:57,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:17:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:57,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:57,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:57,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:17:57,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:57,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:57,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:57,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:57,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:57,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:57,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:57,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:17:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:57,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:57,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:17:57,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 02:17:57,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:17:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:57,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:17:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:57,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:57,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:17:57,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:57,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:17:57,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:57,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:57,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:57,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:17:57,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:57,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:57,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:57,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:57,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:57,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:57,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:57,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:17:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:57,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:57,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:17:58,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:17:58,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-27 02:17:58,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:58,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:17:58,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:58,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:17:58,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:58,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:17:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:17:58,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 02:17:58,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:17:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:17:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:17:58,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:17:58,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:58,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:17:58,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:58,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:58,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:17:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 02:17:58,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:58,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 02:17:58,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-27 02:17:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:17:58,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 02:17:58,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 02:17:58,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-27 02:17:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:17:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:17:58,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 02:17:58,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:17:58,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:58,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:17:58,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:58,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:17:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:58,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:58,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:17:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:17:58,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:17:58,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:17:58,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:17:58,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:17:58,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:58,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:17:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:58,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:58,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 02:17:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:17:58,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:58,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 02:17:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:17:58,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 02:17:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:17:58,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:58,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:17:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:58,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:58,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:58,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:58,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:58,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:58,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:58,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:58,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:59,093 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-27 02:17:59,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902034193] [2020-10-27 02:17:59,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:17:59,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 02:17:59,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885879774] [2020-10-27 02:17:59,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:17:59,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:17:59,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:17:59,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:17:59,097 INFO L87 Difference]: Start difference. First operand 2844 states and 4546 transitions. Second operand 16 states.