/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:48:20,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:48:20,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:48:20,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:48:20,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:48:20,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:48:20,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:48:20,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:48:20,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:48:20,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:48:20,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:48:20,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:48:20,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:48:20,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:48:20,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:48:20,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:48:20,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:48:20,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:48:20,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:48:20,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:48:20,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:48:20,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:48:20,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:48:20,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:48:20,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:48:20,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:48:20,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:48:20,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:48:20,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:48:20,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:48:20,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:48:20,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:48:20,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:48:20,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:48:20,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:48:20,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:48:20,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:48:20,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:48:20,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:48:20,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:48:20,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:48:20,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:48:20,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:48:20,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:48:20,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:48:20,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:48:20,851 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:48:20,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:48:20,852 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:48:20,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:48:20,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:48:20,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:48:20,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:48:20,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:48:20,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:48:20,853 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:48:20,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:48:20,853 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:48:20,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:48:20,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:48:20,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:48:20,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:48:20,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:48:20,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:48:20,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:48:20,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:48:20,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:48:20,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:48:20,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:48:20,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:48:20,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:48:20,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:48:21,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:48:21,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:48:21,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:48:21,357 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:48:21,358 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:48:21,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product03.cil.c [2020-10-27 20:48:21,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8545c1d19/74b78490620a44eb92e9f96f613289e2/FLAG8e50925e8 [2020-10-27 20:48:22,318 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:48:22,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product03.cil.c [2020-10-27 20:48:22,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8545c1d19/74b78490620a44eb92e9f96f613289e2/FLAG8e50925e8 [2020-10-27 20:48:22,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8545c1d19/74b78490620a44eb92e9f96f613289e2 [2020-10-27 20:48:22,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:48:22,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:48:22,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:48:22,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:48:22,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:48:22,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:48:22" (1/1) ... [2020-10-27 20:48:22,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a1de40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:22, skipping insertion in model container [2020-10-27 20:48:22,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:48:22" (1/1) ... [2020-10-27 20:48:22,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:48:22,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:48:23,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:48:23,293 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:48:23,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:48:23,560 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:48:23,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:23 WrapperNode [2020-10-27 20:48:23,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:48:23,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:48:23,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:48:23,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:48:23,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:23" (1/1) ... [2020-10-27 20:48:23,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:23" (1/1) ... [2020-10-27 20:48:23,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:23" (1/1) ... [2020-10-27 20:48:23,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:23" (1/1) ... [2020-10-27 20:48:23,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:23" (1/1) ... [2020-10-27 20:48:23,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:23" (1/1) ... [2020-10-27 20:48:23,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:23" (1/1) ... [2020-10-27 20:48:23,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:48:23,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:48:23,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:48:23,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:48:23,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:48:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:48:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:48:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:48:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:48:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:48:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:48:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:48:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:48:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:48:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:48:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:48:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:48:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:48:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:48:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:48:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:48:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:48:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:48:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:48:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:48:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:48:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:48:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:48:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:48:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:48:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:48:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:48:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:48:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:48:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:48:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:48:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__base [2020-10-27 20:48:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:48:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:48:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:48:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2020-10-27 20:48:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:48:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:48:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:48:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:48:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:48:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:48:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 20:48:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 20:48:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:48:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:48:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:48:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:48:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:48:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:48:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:48:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:48:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:48:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:48:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:48:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:48:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:48:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:48:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:48:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:48:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:48:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:48:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:48:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:48:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:48:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:48:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:48:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:48:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:48:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:48:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:48:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:48:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:48:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:48:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:48:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:48:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:48:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:48:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:48:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:48:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:48:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:48:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:48:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:48:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:48:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:48:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:48:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:48:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:48:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:48:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:48:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:48:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:48:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:48:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:48:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:48:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:48:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:48:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:48:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:48:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:48:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:48:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:48:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:48:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:48:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:48:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:48:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:48:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:48:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:48:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:48:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:48:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:48:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:48:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:48:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:48:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:48:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:48:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:48:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:48:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:48:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:48:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:48:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:48:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:48:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:48:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:48:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:48:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:48:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 20:48:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 20:48:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:48:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:48:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:48:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:48:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:48:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__base [2020-10-27 20:48:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:48:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:48:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2020-10-27 20:48:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:48:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:48:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:48:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:48:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:48:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:48:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:48:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:48:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:48:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:48:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:48:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:48:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:48:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:48:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:48:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:48:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:48:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:48:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:48:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:48:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:48:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:48:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:48:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:48:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:48:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:48:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:48:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:48:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:48:27,100 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:48:27,100 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:48:27,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:48:27 BoogieIcfgContainer [2020-10-27 20:48:27,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:48:27,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:48:27,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:48:27,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:48:27,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:48:22" (1/3) ... [2020-10-27 20:48:27,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6998f1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:48:27, skipping insertion in model container [2020-10-27 20:48:27,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:48:23" (2/3) ... [2020-10-27 20:48:27,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6998f1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:48:27, skipping insertion in model container [2020-10-27 20:48:27,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:48:27" (3/3) ... [2020-10-27 20:48:27,113 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product03.cil.c [2020-10-27 20:48:27,126 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:48:27,133 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:48:27,147 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:48:27,181 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:48:27,181 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:48:27,182 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:48:27,182 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:48:27,182 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:48:27,182 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:48:27,182 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:48:27,182 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:48:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states. [2020-10-27 20:48:27,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 20:48:27,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:48:27,258 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 20:48:27,258 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:48:27,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:48:27,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1263296060, now seen corresponding path program 1 times [2020-10-27 20:48:27,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:48:27,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101783998] [2020-10-27 20:48:27,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:48:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:27,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:28,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:28,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:28,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:28,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:29,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:29,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:29,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:32,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:32,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:32,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 20:48:32,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:48:32,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5125 [2020-10-27 20:48:32,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 20:48:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:48:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:48:34,655 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:48:34,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:48:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:34,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:34,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:34,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:34,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:34,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 20:48:34,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:34,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:34,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:34,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:34,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:48:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:34,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:34,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:34,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:34,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:34,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:34,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:34,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:34,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:34,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:48:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:34,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:34,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:34,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:34,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:34,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:34,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:34,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:34,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:34,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:34,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:34,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:48:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:34,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:34,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:34,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:34,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:34,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:34,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:34,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:34,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:48:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:34,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:34,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:34,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:34,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:34,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:34,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:34,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:48:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:34,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:34,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:34,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:34,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:34,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:34,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:35,101 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 20:48:35,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:48:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:35,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:35,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:35,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:35,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:35,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:35,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:35,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:40,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 20:48:40,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:48:40,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 20:48:40,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 20:48:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:48:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:40,360 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:48:40,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:48:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:41,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:41,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:48:41,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:48:41,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1546 [2020-10-27 20:48:41,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:41,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:48:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:48:41,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:41,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:41,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:41,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:41,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:41,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:41,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:48:41,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:48:41,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:41,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:41,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:42,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:48:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:42,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:48:42,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 20:48:42,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:48:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:42,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:48:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:42,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:42,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:42,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:48:42,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:48:42,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:42,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:48:42,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:42,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:48:42,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:42,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:42,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:42,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:42,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:42,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:42,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:42,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:42,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:42,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:48:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:42,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:42,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:42,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:42,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:42,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:43,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:48:43,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:48:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1075 [2020-10-27 20:48:43,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:48:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:48:43,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:43,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:43,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:43,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:43,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:48:43,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:48:43,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:43,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:43,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:43,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:48:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:43,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:43,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:48:43,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:43,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 20:48:43,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:43,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:43,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:43,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:48:43,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:43,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:48:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:43,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:43,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:48:43,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:43,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:48:43,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:48:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:43,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:48:43,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:43,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:43,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:43,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:43,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:43,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:43,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:43,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:43,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:43,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:43,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:43,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:48:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:43,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:43,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:44,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:46,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 20:48:48,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:48:48,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 20:48:48,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 20:48:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:48,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:48,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 20:48:52,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:48:52,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4175 [2020-10-27 20:48:52,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:48:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 20:48:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:48:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:52,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:52,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:48:52,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:52,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:48:52,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:52,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:52,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:52,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:48:52,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:52,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:48:52,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:52,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:52,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:52,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:52,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:52,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:48:52,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:52,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:52,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:52,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:52,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:52,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:52,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:52,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:48:52,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:48:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:52,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:52,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:52,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:52,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:52,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:48:52,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:48:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:52,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:48:52,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:52,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:48:52,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:52,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:52,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:48:52,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:52,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:52,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:52,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:52,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:52,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:52,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:52,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:52,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:52,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:52,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:52,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:52,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:52,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:48:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:52,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:52,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:52,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:52,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:52,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:52,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:52,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:52,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:48:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:52,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:48:52,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:52,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:48:52,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:48:52,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:52,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:48:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:52,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:52,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:52,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:48:52,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:52,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:48:52,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:48:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 20:48:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 20:48:52,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:53,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:53,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:53,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:53,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:53,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:48:53,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 20:48:53,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:53,424 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-27 20:48:53,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101783998] [2020-10-27 20:48:53,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:48:53,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-27 20:48:53,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317693887] [2020-10-27 20:48:53,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 20:48:53,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:48:53,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 20:48:53,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:48:53,449 INFO L87 Difference]: Start difference. First operand 754 states. Second operand 20 states. [2020-10-27 20:48:55,891 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:48:57,752 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 20:48:59,047 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 20:49:00,645 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 20:49:05,930 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:49:06,398 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 20:49:12,955 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 20:49:13,344 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 20:49:13,568 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:49:15,161 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:16,337 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:49:17,723 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:49:18,962 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 20:49:20,298 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 20:49:21,556 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 20:49:23,993 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 414 DAG size of output: 409 [2020-10-27 20:49:25,258 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 20:49:31,693 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 20:49:34,076 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 20:49:45,782 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 20:49:46,995 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:48,214 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 20:49:54,105 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 20:49:56,502 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 414 DAG size of output: 410 [2020-10-27 20:50:01,890 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 20:50:57,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:50:57,948 INFO L93 Difference]: Finished difference Result 3546 states and 6450 transitions. [2020-10-27 20:50:57,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-27 20:50:57,951 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 165 [2020-10-27 20:50:57,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:50:58,027 INFO L225 Difference]: With dead ends: 3546 [2020-10-27 20:50:58,027 INFO L226 Difference]: Without dead ends: 2912 [2020-10-27 20:50:58,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1686 ImplicationChecksByTransitivity, 29.6s TimeCoverageRelationStatistics Valid=842, Invalid=4270, Unknown=0, NotChecked=0, Total=5112 [2020-10-27 20:50:58,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2912 states. [2020-10-27 20:50:58,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2912 to 1852. [2020-10-27 20:50:58,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1852 states. [2020-10-27 20:50:58,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2975 transitions. [2020-10-27 20:50:58,888 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2975 transitions. Word has length 165 [2020-10-27 20:50:58,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:50:58,889 INFO L481 AbstractCegarLoop]: Abstraction has 1852 states and 2975 transitions. [2020-10-27 20:50:58,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 20:50:58,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2975 transitions. [2020-10-27 20:50:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-27 20:50:58,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:50:58,902 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:50:58,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:50:58,902 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 20:50:58,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:50:58,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1147407759, now seen corresponding path program 1 times [2020-10-27 20:50:58,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:50:58,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19797024] [2020-10-27 20:50:58,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:50:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:59,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:04,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:04,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-27 20:51:04,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:51:04,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 20:51:04,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:04,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:04,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-27 20:51:04,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:04,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,285 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:51:05,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:05,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:05,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 20:51:05,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:05,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:51:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:05,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:05,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:05,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:05,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:51:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:05,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:05,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:05,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:05,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:51:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:05,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:05,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:05,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:05,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:51:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:05,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:05,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:05,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:05,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:51:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:05,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:05,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:05,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:05,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:05,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:05,649 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 20:51:05,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:51:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:05,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:05,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:06,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:10,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:10,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:10,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-27 20:51:10,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:51:10,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 20:51:10,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:10,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:51:10,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 20:51:10,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 20:51:10,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:10,893 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:51:10,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:10,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:10,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:10,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:10,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:11,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:51:11,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:11,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 674 [2020-10-27 20:51:11,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:51:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:11,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:11,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:11,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:11,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:51:11,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:11,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:11,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:11,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:11,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:11,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:11,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:11,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:11,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:51:11,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:11,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:51:11,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:11,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:11,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:51:11,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:11,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:51:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:11,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:11,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:11,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:11,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:51:11,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:11,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:11,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:11,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:11,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:11,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:11,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:11,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:11,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:51:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:11,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:11,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:12,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:12,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:51:12,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:12,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-27 20:51:12,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:51:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:12,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:12,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:12,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:12,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:12,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:12,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:51:12,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:12,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:12,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:12,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:12,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:12,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:51:12,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:12,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 20:51:12,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:12,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:12,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:12,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:51:12,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:12,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:51:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:12,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:12,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:12,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:12,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:12,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:51:12,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:12,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:12,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:12,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:12,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:12,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:12,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:12,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:12,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:12,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:12,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:51:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:12,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:12,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:12,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:14,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:14,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-27 20:51:14,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:51:14,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1647 [2020-10-27 20:51:14,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:14,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:14,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-27 20:51:14,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:51:14,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:14,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:14,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:14,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:14,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 20:51:15,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:51:15,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 939 [2020-10-27 20:51:15,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 20:51:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:51:15,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:51:15,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:15,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:15,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:15,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:15,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:15,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:51:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:15,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:15,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:51:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:51:15,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:51:15,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:15,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:15,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:15,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:15,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 20:51:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:15,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:15,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:51:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:51:15,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:15,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 20:51:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:51:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:51:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:51:15,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:15,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:51:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:15,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:15,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:15,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:15,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:15,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:15,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:15,738 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-27 20:51:15,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19797024] [2020-10-27 20:51:15,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:51:15,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 20:51:15,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419245807] [2020-10-27 20:51:15,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:51:15,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:51:15,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:51:15,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:51:15,747 INFO L87 Difference]: Start difference. First operand 1852 states and 2975 transitions. Second operand 15 states. [2020-10-27 20:51:18,190 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 20:51:19,885 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:51:21,191 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 20:51:22,700 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:51:26,504 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 20:51:32,734 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 20:51:38,883 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 127