/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_spec3_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:01:23,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:01:23,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:01:23,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:01:23,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:01:23,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:01:23,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:01:23,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:01:23,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:01:23,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:01:23,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:01:23,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:01:23,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:01:23,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:01:23,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:01:23,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:01:23,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:01:23,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:01:23,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:01:23,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:01:23,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:01:23,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:01:23,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:01:23,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:01:23,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:01:23,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:01:23,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:01:23,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:01:23,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:01:23,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:01:23,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:01:23,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:01:23,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:01:23,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:01:23,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:01:23,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:01:23,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:01:23,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:01:23,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:01:23,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:01:23,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:01:23,788 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 21:01:23,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:01:23,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:01:23,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:01:23,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:01:23,840 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:01:23,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:01:23,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:01:23,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:01:23,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:01:23,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:01:23,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:01:23,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:01:23,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:01:23,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:01:23,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:01:23,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:01:23,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:01:23,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:01:23,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:01:23,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:01:23,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:01:23,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:01:23,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:01:23,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:01:23,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:01:23,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:01:23,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:01:23,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:01:23,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:01:23,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:01:24,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:01:24,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:01:24,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:01:24,268 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:01:24,268 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:01:24,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product20.cil.c [2020-10-27 21:01:24,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/698397de7/c04b30a460224ba883ff701c5bfde4bc/FLAG93f6b80dc [2020-10-27 21:01:25,120 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:01:25,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product20.cil.c [2020-10-27 21:01:25,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/698397de7/c04b30a460224ba883ff701c5bfde4bc/FLAG93f6b80dc [2020-10-27 21:01:25,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/698397de7/c04b30a460224ba883ff701c5bfde4bc [2020-10-27 21:01:25,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:01:25,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:01:25,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:01:25,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:01:25,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:01:25,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:01:25" (1/1) ... [2020-10-27 21:01:25,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3124edb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:25, skipping insertion in model container [2020-10-27 21:01:25,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:01:25" (1/1) ... [2020-10-27 21:01:25,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:01:25,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:01:26,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:01:26,059 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:01:26,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:01:26,281 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:01:26,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:26 WrapperNode [2020-10-27 21:01:26,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:01:26,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:01:26,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:01:26,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:01:26,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:26" (1/1) ... [2020-10-27 21:01:26,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:26" (1/1) ... [2020-10-27 21:01:26,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:26" (1/1) ... [2020-10-27 21:01:26,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:26" (1/1) ... [2020-10-27 21:01:26,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:26" (1/1) ... [2020-10-27 21:01:26,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:26" (1/1) ... [2020-10-27 21:01:26,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:26" (1/1) ... [2020-10-27 21:01:26,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:01:26,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:01:26,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:01:26,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:01:26,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:26" (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 21:01:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:01:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:01:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:01:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:01:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 21:01:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 21:01:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 21:01:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 21:01:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 21:01:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 21:01:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 21:01:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 21:01:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 21:01:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 21:01:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 21:01:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 21:01:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 21:01:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 21:01:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 21:01:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 21:01:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 21:01:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 21:01:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 21:01:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 21:01:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 21:01:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 21:01:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 21:01:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 21:01:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 21:01:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 21:01:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 21:01:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 21:01:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 21:01:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 21:01:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 21:01:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 21:01:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 21:01:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 21:01:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 21:01:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 21:01:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 21:01:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 21:01:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 21:01:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 21:01:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 21:01:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:01:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:01:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:01:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:01:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:01:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:01:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:01:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:01:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:01:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:01:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:01:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:01:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 21:01:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 21:01:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 21:01:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 21:01:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 21:01:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 21:01:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 21:01:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 21:01:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 21:01:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 21:01:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 21:01:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 21:01:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 21:01:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 21:01:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:01:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 21:01:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:01:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 21:01:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 21:01:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 21:01:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 21:01:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-27 21:01:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:01:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:01:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:01:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:01:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:01:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 21:01:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 21:01:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 21:01:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 21:01:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 21:01:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 21:01:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 21:01:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 21:01:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 21:01:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 21:01:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 21:01:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 21:01:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 21:01:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 21:01:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 21:01:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 21:01:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:01:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 21:01:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 21:01:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 21:01:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 21:01:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 21:01:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 21:01:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 21:01:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 21:01:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 21:01:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 21:01:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 21:01:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 21:01:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 21:01:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 21:01:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 21:01:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 21:01:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 21:01:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 21:01:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 21:01:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 21:01:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 21:01:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 21:01:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 21:01:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 21:01:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 21:01:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 21:01:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 21:01:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-27 21:01:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 21:01:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 21:01:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:01:26,628 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:01:26,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:01:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:01:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:01:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:01:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:01:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:01:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:01:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:01:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:01:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:01:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:01:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:01:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:01:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 21:01:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 21:01:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 21:01:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:01:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:01:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:01:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:01:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:01:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:01:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 21:01:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 21:01:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 21:01:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 21:01:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 21:01:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 21:01:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 21:01:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 21:01:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 21:01:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 21:01:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 21:01:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 21:01:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:01:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 21:01:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:01:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:01:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:01:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:01:29,318 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:01:29,318 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 21:01:29,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:01:29 BoogieIcfgContainer [2020-10-27 21:01:29,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:01:29,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:01:29,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:01:29,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:01:29,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:01:25" (1/3) ... [2020-10-27 21:01:29,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e096db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:01:29, skipping insertion in model container [2020-10-27 21:01:29,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:01:26" (2/3) ... [2020-10-27 21:01:29,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e096db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:01:29, skipping insertion in model container [2020-10-27 21:01:29,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:01:29" (3/3) ... [2020-10-27 21:01:29,335 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product20.cil.c [2020-10-27 21:01:29,352 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:01:29,358 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:01:29,372 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:01:29,418 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:01:29,419 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:01:29,419 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:01:29,419 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:01:29,419 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:01:29,419 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:01:29,419 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:01:29,419 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:01:29,467 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states. [2020-10-27 21:01:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 21:01:29,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:01:29,494 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:01:29,496 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 21:01:29,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:01:29,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1880577086, now seen corresponding path program 1 times [2020-10-27 21:01:29,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:01:29,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016469762] [2020-10-27 21:01:29,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:01:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:30,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:30,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:31,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:32,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:33,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:34,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:35,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:35,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 21:01:35,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:01:35,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 21:01:35,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:35,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:01:35,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 21:01:35,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:01:35,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:01:36,318 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:01:36,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:01:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:36,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:36,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:36,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:36,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 21:01:36,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:36,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:36,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:01:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:36,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:36,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:36,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:01:36,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:36,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:01:36,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:36,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:36,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:01:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:36,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:36,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:36,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:01:36,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:36,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:01:36,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:36,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:36,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:36,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:36,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 21:01:36,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:01:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:36,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:36,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:36,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:36,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:36,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:01:36,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:36,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:36,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:01:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:36,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:36,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:36,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:01:36,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:36,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:01:36,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:36,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:36,766 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:01:36,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:01:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:36,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:36,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:36,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:01:36,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:36,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 21:01:36,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:36,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:36,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:36,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:36,933 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:01:36,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:36,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:36,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:36,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:36,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:36,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:01:36,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:36,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:36,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:36,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:36,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:36,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:01:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:36,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:37,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:01:37,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:01:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-27 21:01:37,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:01:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:01:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:01:37,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:37,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:37,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:37,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:01:37,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:37,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:01:37,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:01:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:01:37,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:37,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:01:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:37,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:37,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:01:37,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:01:37,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 21:01:37,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:01:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:01:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:01:37,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:37,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:01:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:37,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:37,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:01:37,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:37,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:01:37,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:01:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:01:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:37,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 21:01:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:37,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:37,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:01:37,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:37,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:01:37,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:01:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:37,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:01:37,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:01:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:37,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:37,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:37,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:37,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:01:37,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:37,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:37,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:37,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:37,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:37,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:01:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:37,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:37,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:37,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:37,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:01:37,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:37,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:37,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:01:37,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:37,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:37,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 21:01:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:37,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:37,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:37,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:37,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:01:37,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:01:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:37,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:37,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 21:01:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:01:37,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:01:37,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:01:37,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:01:37,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:01:37,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:01:37,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:01:37,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:01:37,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:01:37,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:01:37,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:01:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:01:37,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016469762] [2020-10-27 21:01:37,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:01:37,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 21:01:37,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143161091] [2020-10-27 21:01:37,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 21:01:37,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:01:37,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 21:01:37,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-27 21:01:37,772 INFO L87 Difference]: Start difference. First operand 813 states. Second operand 14 states. [2020-10-27 21:01:40,429 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:01:41,773 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:01:42,942 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:01:44,106 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:01:45,356 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 21:01:46,523 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:01:47,870 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:01:51,511 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:02:15,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:02:15,482 INFO L93 Difference]: Finished difference Result 1628 states and 2808 transitions. [2020-10-27 21:02:15,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 21:02:15,486 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 94 [2020-10-27 21:02:15,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:02:15,523 INFO L225 Difference]: With dead ends: 1628 [2020-10-27 21:02:15,523 INFO L226 Difference]: Without dead ends: 982 [2020-10-27 21:02:15,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=179, Invalid=751, Unknown=0, NotChecked=0, Total=930 [2020-10-27 21:02:15,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2020-10-27 21:02:15,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 651. [2020-10-27 21:02:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-27 21:02:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1031 transitions. [2020-10-27 21:02:15,934 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1031 transitions. Word has length 94 [2020-10-27 21:02:15,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:02:15,935 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 1031 transitions. [2020-10-27 21:02:15,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 21:02:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1031 transitions. [2020-10-27 21:02:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 21:02:15,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:02:15,945 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:02:15,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:02:15,946 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 21:02:15,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:02:15,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1691596434, now seen corresponding path program 1 times [2020-10-27 21:02:15,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:02:15,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257986413] [2020-10-27 21:02:15,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:02:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:16,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:16,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:16,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:18,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:20,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:21,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:21,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 21:02:21,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:02:21,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-27 21:02:21,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:02:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:02:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:02:21,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:22,250 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:02:22,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:02:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:22,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:22,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:22,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:22,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:22,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 21:02:22,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:22,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:22,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:02:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:22,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:22,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:22,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:22,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:02:22,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:22,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:22,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:22,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:22,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:22,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:02:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:22,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:22,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:22,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:22,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:02:22,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:02:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:22,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:22,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:22,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:22,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:22,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:22,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:22,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:22,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:22,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:02:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:22,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:22,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:22,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:22,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:02:22,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:22,547 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:02:22,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:02:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:22,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:22,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:22,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:02:22,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:22,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 21:02:22,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:22,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:22,743 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:02:22,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:22,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:22,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:22,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:22,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:22,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 21:02:22,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:22,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:22,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:22,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:22,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:22,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:02:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:22,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:22,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:22,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:22,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:23,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 21:02:23,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:02:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-27 21:02:23,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:23,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:02:23,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 21:02:23,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:02:23,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:02:23,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:23,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:23,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:02:23,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:02:23,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:02:23,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:02:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:02:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:02:23,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:02:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:23,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:23,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:02:23,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:02:23,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 21:02:23,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:23,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:02:23,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:02:23,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:02:23,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:23,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:02:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:23,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:23,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:02:23,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:23,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:02:23,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:02:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:02:23,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:23,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 21:02:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:23,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:23,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:02:23,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:23,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:02:23,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:02:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:23,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:23,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:23,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:23,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:23,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:23,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:23,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:23,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:02:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:23,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:23,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:23,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:23,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:23,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:23,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:23,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 21:02:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:23,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:23,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:23,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:23,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:23,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:23,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:02:23,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:23,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:23,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:02:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:23,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:23,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:23,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:23,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:23,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:23,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:02:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:23,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:23,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:02:23,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257986413] [2020-10-27 21:02:23,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:02:23,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 21:02:23,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487297626] [2020-10-27 21:02:23,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 21:02:23,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:02:23,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 21:02:23,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-27 21:02:23,772 INFO L87 Difference]: Start difference. First operand 651 states and 1031 transitions. Second operand 13 states. [2020-10-27 21:02:25,615 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:02:26,902 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 21:02:28,121 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:02:29,411 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:02:30,572 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:02:33,712 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:02:55,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:02:55,122 INFO L93 Difference]: Finished difference Result 1595 states and 2715 transitions. [2020-10-27 21:02:55,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 21:02:55,124 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 95 [2020-10-27 21:02:55,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:02:55,135 INFO L225 Difference]: With dead ends: 1595 [2020-10-27 21:02:55,136 INFO L226 Difference]: Without dead ends: 951 [2020-10-27 21:02:55,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2020-10-27 21:02:55,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2020-10-27 21:02:55,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 631. [2020-10-27 21:02:55,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2020-10-27 21:02:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 994 transitions. [2020-10-27 21:02:55,355 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 994 transitions. Word has length 95 [2020-10-27 21:02:55,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:02:55,358 INFO L481 AbstractCegarLoop]: Abstraction has 631 states and 994 transitions. [2020-10-27 21:02:55,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 21:02:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 994 transitions. [2020-10-27 21:02:55,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 21:02:55,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:02:55,361 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:02:55,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:02:55,362 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:02:55,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:02:55,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1012226076, now seen corresponding path program 1 times [2020-10-27 21:02:55,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:02:55,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293746697] [2020-10-27 21:02:55,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:02:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:55,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:55,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:55,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:56,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:57,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:58,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:00,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 21:03:00,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:03:00,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-27 21:03:00,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:00,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:03:00,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 21:03:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:03:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:01,676 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:03:01,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:03:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:01,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:01,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:01,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:01,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:01,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 21:03:01,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:01,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:03:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:01,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:01,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:01,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:01,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:01,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:03:01,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:01,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:01,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:01,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:01,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:01,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:03:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:01,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:01,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:01,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:01,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:01,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:03:01,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:01,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:01,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:03:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:01,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:01,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:01,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:01,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:01,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:01,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:01,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:01,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:01,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:01,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:01,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:03:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:01,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:01,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:01,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:01,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:01,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:03:01,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:01,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:01,954 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:03:01,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:03:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:01,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:01,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:01,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:03:01,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:01,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:03:01,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:01,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:02,111 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:03:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:02,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:02,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:02,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:02,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:03:02,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:02,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:03:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:02,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:02,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:03:02,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:03:02,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 21:03:02,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:02,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:03:02,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:03:02,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:03:02,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:02,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:02,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:02,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:03:02,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:03:02,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:03:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:03:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:02,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:03:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:02,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:02,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 21:03:02,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:03:02,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 21:03:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:03:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:03:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 21:03:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:03:02,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 21:03:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:02,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:02,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:03:02,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:02,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:03:02,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:02,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:02,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:03:02,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:03:02,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 21:03:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:02,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:02,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:03:02,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:02,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:03:02,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:02,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:02,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:03:02,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:02,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:02,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:02,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:02,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:02,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:02,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:02,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:02,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:02,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:03:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:02,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:02,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:02,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:02,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:03:02,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:02,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:02,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:02,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:02,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:02,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 21:03:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:02,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:02,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:02,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:02,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:02,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:03:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:02,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 21:03:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:02,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:02,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:02,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:02,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:02,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:02,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:02,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:02,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:03:02,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:02,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:03:02,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293746697] [2020-10-27 21:03:02,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:03:02,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 21:03:02,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423745541] [2020-10-27 21:03:02,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 21:03:02,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:03:02,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 21:03:02,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-27 21:03:02,660 INFO L87 Difference]: Start difference. First operand 631 states and 994 transitions. Second operand 12 states. [2020-10-27 21:03:04,208 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:03:05,474 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:03:06,631 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 21:03:07,767 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 21:03:08,905 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:03:10,061 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:03:12,910 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:03:34,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:03:34,907 INFO L93 Difference]: Finished difference Result 1558 states and 2648 transitions. [2020-10-27 21:03:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 21:03:34,908 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-10-27 21:03:34,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:03:34,918 INFO L225 Difference]: With dead ends: 1558 [2020-10-27 21:03:34,918 INFO L226 Difference]: Without dead ends: 945 [2020-10-27 21:03:34,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-27 21:03:34,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-10-27 21:03:35,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 625. [2020-10-27 21:03:35,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-10-27 21:03:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 981 transitions. [2020-10-27 21:03:35,094 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 981 transitions. Word has length 96 [2020-10-27 21:03:35,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:03:35,094 INFO L481 AbstractCegarLoop]: Abstraction has 625 states and 981 transitions. [2020-10-27 21:03:35,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 21:03:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 981 transitions. [2020-10-27 21:03:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 21:03:35,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:03:35,096 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:03:35,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:03:35,097 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:03:35,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:03:35,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1763872150, now seen corresponding path program 1 times [2020-10-27 21:03:35,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:03:35,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21660221] [2020-10-27 21:03:35,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:03:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:35,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:35,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:35,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:35,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:36,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:37,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:37,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:38,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:39,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:40,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:40,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 21:03:40,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 21:03:40,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-27 21:03:40,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 21:03:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 21:03:40,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:41,506 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:03:41,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:03:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:41,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:41,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:41,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:41,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:41,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 21:03:41,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:41,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:03:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:41,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:41,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:41,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:41,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:41,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:03:41,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:41,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:41,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:41,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:41,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:41,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:03:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:41,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:41,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:41,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:41,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:03:41,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:41,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:03:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:41,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:41,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:41,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:41,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:41,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:41,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:41,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:41,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:03:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:41,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:41,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:41,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:41,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:41,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:03:41,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:41,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:41,854 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:03:41,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:03:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:41,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:41,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:41,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:03:41,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:41,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:03:41,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:03:42,075 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:03:42,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:42,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:42,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:42,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:42,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:03:42,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:42,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:42,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:03:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:42,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:42,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 21:03:42,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:03:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-27 21:03:42,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:03:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 21:03:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:03:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:42,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:42,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:42,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:03:42,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:42,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:42,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:42,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:42,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:03:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:42,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:42,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 21:03:42,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:03:42,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 21:03:42,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:03:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:03:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:03:42,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:42,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 21:03:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:42,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:42,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:03:42,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:42,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:03:42,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:42,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:03:42,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:03:42,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:03:42,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 21:03:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:42,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:42,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:03:42,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:42,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:03:42,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 21:03:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:42,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:42,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:42,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:42,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:42,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:03:42,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:42,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:03:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:42,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:42,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:42,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:03:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:42,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 21:03:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:42,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:42,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:42,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:42,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:42,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:42,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:42,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:42,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:03:42,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:42,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:03:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:42,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:42,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:42,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:42,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:42,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:42,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:42,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:42,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:03:42,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:42,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:03:42,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21660221] [2020-10-27 21:03:42,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:03:42,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 21:03:42,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543811826] [2020-10-27 21:03:42,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 21:03:42,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:03:42,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 21:03:42,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-27 21:03:42,771 INFO L87 Difference]: Start difference. First operand 625 states and 981 transitions. Second operand 11 states. [2020-10-27 21:03:44,467 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 21:03:44,917 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 21:03:46,256 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:03:47,571 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:03:48,453 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:03:50,522 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:03:51,124 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:03:53,658 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 21:04:03,416 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:04:09,823 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:11,094 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:34,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:04:34,061 INFO L93 Difference]: Finished difference Result 2416 states and 4322 transitions. [2020-10-27 21:04:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 21:04:34,063 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 97 [2020-10-27 21:04:34,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:04:34,081 INFO L225 Difference]: With dead ends: 2416 [2020-10-27 21:04:34,082 INFO L226 Difference]: Without dead ends: 1823 [2020-10-27 21:04:34,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=254, Invalid=868, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 21:04:34,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2020-10-27 21:04:34,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1155. [2020-10-27 21:04:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1155 states. [2020-10-27 21:04:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1832 transitions. [2020-10-27 21:04:34,446 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1832 transitions. Word has length 97 [2020-10-27 21:04:34,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:04:34,446 INFO L481 AbstractCegarLoop]: Abstraction has 1155 states and 1832 transitions. [2020-10-27 21:04:34,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 21:04:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1832 transitions. [2020-10-27 21:04:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 21:04:34,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:04:34,449 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:04:34,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:04:34,449 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:04:34,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:04:34,450 INFO L82 PathProgramCache]: Analyzing trace with hash -848492248, now seen corresponding path program 1 times [2020-10-27 21:04:34,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:04:34,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934566100] [2020-10-27 21:04:34,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:04:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:34,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:34,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:34,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:35,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:36,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:36,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:39,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:39,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 21:04:39,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:04:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 21:04:39,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:39,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:39,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 21:04:39,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 21:04:39,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:40,880 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:04:40,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:04:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:40,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:40,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:40,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:40,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:40,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 21:04:40,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:40,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:40,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:04:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:40,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:40,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:40,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:40,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:40,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:40,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:40,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:40,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:04:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:40,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:40,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:40,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:40,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:40,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:40,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:04:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:40,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:40,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:40,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:40,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:40,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:40,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:40,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:40,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:04:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:40,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:40,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:40,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:40,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:40,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:40,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:40,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,150 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:04:41,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:04:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:04:41,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:04:41,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:41,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,304 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:04:41,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:41,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:41,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:04:41,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:41,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:04:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 21:04:41,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:04:41,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 21:04:41,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:04:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:04:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:04:41,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:04:41,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:41,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:04:41,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:04:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:04:41,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:04:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 21:04:41,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:04:41,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 21:04:41,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:04:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:04:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 21:04:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:04:41,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:04:41,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:04:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:04:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 21:04:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:04:41,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:41,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:04:41,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:04:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:41,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:41,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:41,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:41,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:41,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:41,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:04:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:41,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:41,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:41,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:41,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:41,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:41,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 21:04:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:41,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:41,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:41,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:04:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:41,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 21:04:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:41,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:41,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:41,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:41,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:41,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:41,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:04:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:04:41,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934566100] [2020-10-27 21:04:41,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:04:41,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 21:04:41,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435866977] [2020-10-27 21:04:41,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 21:04:41,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:04:41,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 21:04:41,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-27 21:04:41,759 INFO L87 Difference]: Start difference. First operand 1155 states and 1832 transitions. Second operand 14 states. [2020-10-27 21:04:43,478 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:04:44,806 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 21:04:45,970 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 21:04:47,134 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 21:04:48,273 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:49,473 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:04:50,693 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:51,960 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:04:53,195 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:56,154 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 148