/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:02:46,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:02:46,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:02:46,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:02:46,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:02:46,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:02:46,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:02:46,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:02:46,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:02:46,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:02:46,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:02:46,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:02:46,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:02:46,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:02:46,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:02:46,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:02:46,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:02:46,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:02:46,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:02:46,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:02:46,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:02:46,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:02:46,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:02:46,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:02:46,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:02:46,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:02:46,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:02:46,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:02:46,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:02:46,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:02:46,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:02:46,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:02:46,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:02:46,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:02:46,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:02:46,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:02:46,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:02:46,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:02:46,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:02:46,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:02:46,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:02:46,706 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 21:02:46,751 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:02:46,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:02:46,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:02:46,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:02:46,753 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:02:46,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:02:46,754 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:02:46,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:02:46,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:02:46,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:02:46,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:02:46,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:02:46,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:02:46,756 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:02:46,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:02:46,756 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:02:46,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:02:46,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:02:46,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:02:46,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:02:46,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:02:46,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:02:46,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:02:46,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:02:46,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:02:46,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:02:46,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:02:46,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:02:46,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:02:46,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:02:47,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:02:47,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:02:47,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:02:47,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:02:47,159 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:02:47,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c [2020-10-27 21:02:47,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3620b0a79/fb05c5e477c04355aeacda52499edc07/FLAG330ed48c8 [2020-10-27 21:02:48,074 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:02:48,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c [2020-10-27 21:02:48,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3620b0a79/fb05c5e477c04355aeacda52499edc07/FLAG330ed48c8 [2020-10-27 21:02:48,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3620b0a79/fb05c5e477c04355aeacda52499edc07 [2020-10-27 21:02:48,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:02:48,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:02:48,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:02:48,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:02:48,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:02:48,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:02:48" (1/1) ... [2020-10-27 21:02:48,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1982c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:48, skipping insertion in model container [2020-10-27 21:02:48,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:02:48" (1/1) ... [2020-10-27 21:02:48,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:02:48,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:02:49,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:02:49,196 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:02:49,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:02:49,437 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:02:49,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:49 WrapperNode [2020-10-27 21:02:49,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:02:49,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:02:49,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:02:49,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:02:49,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:49" (1/1) ... [2020-10-27 21:02:49,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:49" (1/1) ... [2020-10-27 21:02:49,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:49" (1/1) ... [2020-10-27 21:02:49,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:49" (1/1) ... [2020-10-27 21:02:49,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:49" (1/1) ... [2020-10-27 21:02:49,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:49" (1/1) ... [2020-10-27 21:02:49,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:49" (1/1) ... [2020-10-27 21:02:49,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:02:49,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:02:49,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:02:49,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:02:49,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:49" (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 21:02:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:02:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:02:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:02:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:02:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:02:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 21:02:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 21:02:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 21:02:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 21:02:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 21:02:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 21:02:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 21:02:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 21:02:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 21:02:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 21:02:49,728 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 21:02:49,728 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 21:02:49,729 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 21:02:49,729 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 21:02:49,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:02:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 21:02:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:02:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 21:02:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 21:02:49,731 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 21:02:49,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 21:02:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 21:02:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 21:02:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 21:02:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 21:02:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 21:02:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 21:02:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 21:02:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 21:02:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 21:02:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 21:02:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 21:02:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 21:02:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 21:02:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 21:02:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 21:02:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 21:02:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 21:02:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 21:02:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 21:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 21:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 21:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 21:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 21:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 21:02:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 21:02:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 21:02:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 21:02:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 21:02:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 21:02:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 21:02:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 21:02:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 21:02:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 21:02:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 21:02:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 21:02:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 21:02:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 21:02:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 21:02:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 21:02:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 21:02:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 21:02:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 21:02:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 21:02:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-27 21:02:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:02:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:02:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:02:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:02:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:02:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:02:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:02:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:02:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:02:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:02:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:02:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:02:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:02:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:02:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:02:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:02:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 21:02:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 21:02:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 21:02:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 21:02:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:02:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 21:02:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 21:02:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 21:02:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 21:02:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 21:02:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 21:02:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 21:02:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 21:02:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 21:02:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 21:02:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 21:02:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 21:02:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 21:02:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 21:02:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 21:02:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 21:02:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 21:02:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 21:02:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:02:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 21:02:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:02:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:02:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:02:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:02:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 21:02:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 21:02:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 21:02:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 21:02:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 21:02:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:02:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 21:02:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 21:02:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 21:02:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 21:02:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 21:02:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 21:02:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 21:02:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 21:02:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 21:02:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 21:02:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 21:02:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 21:02:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 21:02:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 21:02:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 21:02:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 21:02:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 21:02:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 21:02:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 21:02:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 21:02:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 21:02:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 21:02:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 21:02:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 21:02:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:02:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:02:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:02:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:02:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:02:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:02:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:02:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:02:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:02:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:02:52,237 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:02:52,237 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 21:02:52,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:02:52 BoogieIcfgContainer [2020-10-27 21:02:52,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:02:52,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:02:52,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:02:52,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:02:52,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:02:48" (1/3) ... [2020-10-27 21:02:52,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a001871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:02:52, skipping insertion in model container [2020-10-27 21:02:52,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:49" (2/3) ... [2020-10-27 21:02:52,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a001871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:02:52, skipping insertion in model container [2020-10-27 21:02:52,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:02:52" (3/3) ... [2020-10-27 21:02:52,249 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product24.cil.c [2020-10-27 21:02:52,261 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:02:52,266 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:02:52,280 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:02:52,322 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:02:52,322 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:02:52,323 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:02:52,323 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:02:52,323 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:02:52,323 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:02:52,323 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:02:52,323 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:02:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states. [2020-10-27 21:02:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 21:02:52,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:02:52,380 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 21:02:52,381 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 21:02:52,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:02:52,389 INFO L82 PathProgramCache]: Analyzing trace with hash 237625894, now seen corresponding path program 1 times [2020-10-27 21:02:52,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:02:52,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75325235] [2020-10-27 21:02:52,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:02:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:53,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:53,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:55,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:55,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:57,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:57,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 21:02:57,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:02:57,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 21:02:57,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:02:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-27 21:02:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 21:02:57,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:02:59,180 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:02:59,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:02:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:59,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:59,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:59,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:59,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:59,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 21:02:59,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:59,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:02:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:59,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:59,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:59,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:59,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:59,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:02:59,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:59,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:59,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:59,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:59,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:59,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:02:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:59,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:59,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:59,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:59,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:02:59,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:59,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:59,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:59,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 21:02:59,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:02:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:59,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:59,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:59,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:59,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:59,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:59,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:59,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:02:59,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:02:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:59,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:59,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:59,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:59,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:59,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:59,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:59,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:59,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:59,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:59,623 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:02:59,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:02:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:59,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:59,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:59,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:02:59,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:59,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 21:02:59,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:59,819 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:02:59,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:59,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:59,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:59,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:59,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:59,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:02:59,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:59,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:59,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:02:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:59,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:59,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:59,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:00,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:03:00,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:03:00,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 441 [2020-10-27 21:03:00,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:00,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:03:00,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:03:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:03:00,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:00,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:00,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:00,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:03:00,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:00,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:03:00,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:03:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:03:00,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:00,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:03:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:00,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:00,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:03:00,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:03:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 21:03:00,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:03:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:03:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:03:00,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:00,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:03:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:00,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:00,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:03:00,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:00,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:03:00,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:00,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:03:00,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:00,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:03:00,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:00,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 21:03:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:00,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:03:00,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:00,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:03:00,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 21:03:00,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:00,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:00,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:00,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:00,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:03:00,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:03:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:00,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:03:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:00,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:00,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:00,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:00,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:03:00,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:03:00,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:00,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 21:03:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:00,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:00,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:00,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:03:00,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:03:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:00,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 21:03:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:00,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:00,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:00,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:00,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:00,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:03:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:00,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:00,786 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 21:03:00,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75325235] [2020-10-27 21:03:00,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:03:00,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 21:03:00,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317353626] [2020-10-27 21:03:00,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 21:03:00,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:03:00,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 21:03:00,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-27 21:03:00,810 INFO L87 Difference]: Start difference. First operand 844 states. Second operand 15 states. [2020-10-27 21:03:03,120 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 21:03:03,709 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 21:03:05,034 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:03:06,311 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:03:07,540 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:03:08,857 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:03:10,133 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 21:03:11,566 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:03:13,097 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:03:15,874 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:03:16,656 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:03:20,050 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 21:03:32,685 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:03:40,339 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:03:41,678 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:03:42,952 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:03:44,294 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:03:45,619 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 21:03:47,035 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:14,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:04:14,099 INFO L93 Difference]: Finished difference Result 2633 states and 4716 transitions. [2020-10-27 21:04:14,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-27 21:04:14,102 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 94 [2020-10-27 21:04:14,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:04:14,165 INFO L225 Difference]: With dead ends: 2633 [2020-10-27 21:04:14,165 INFO L226 Difference]: Without dead ends: 1939 [2020-10-27 21:04:14,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=488, Invalid=2374, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 21:04:14,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2020-10-27 21:04:14,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1263. [2020-10-27 21:04:14,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1263 states. [2020-10-27 21:04:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 2010 transitions. [2020-10-27 21:04:14,905 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 2010 transitions. Word has length 94 [2020-10-27 21:04:14,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:04:14,906 INFO L481 AbstractCegarLoop]: Abstraction has 1263 states and 2010 transitions. [2020-10-27 21:04:14,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 21:04:14,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 2010 transitions. [2020-10-27 21:04:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 21:04:14,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:04:14,922 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 21:04:14,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:04:14,922 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 21:04:14,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:04:14,923 INFO L82 PathProgramCache]: Analyzing trace with hash 645661545, now seen corresponding path program 1 times [2020-10-27 21:04:14,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:04:14,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712134435] [2020-10-27 21:04:14,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:04:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:15,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:15,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:15,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:17,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:20,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:20,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 21:04:20,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:04:20,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 21:04:20,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:04:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:04:20,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:21,286 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:04:21,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:04:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:21,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:21,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:21,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:21,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 21:04:21,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:21,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:04:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:21,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:21,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:21,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:21,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:21,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:21,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:21,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:21,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:04:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:21,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:21,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:21,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:21,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:21,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:21,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:21,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:21,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:21,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:04:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:21,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:21,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:21,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:21,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:21,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:21,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:21,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:21,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:21,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:21,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:21,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:04:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:21,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:21,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:21,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:21,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:21,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:21,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:21,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:21,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:21,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:21,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:21,653 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:04:21,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:04:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:21,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:21,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:21,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:04:21,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:21,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 21:04:21,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:21,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:21,842 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:04:21,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:21,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:21,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:21,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:21,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:04:21,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:21,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:21,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:04:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:21,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:21,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:21,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:21,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:22,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 21:04:22,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:04:22,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-27 21:04:22,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 21:04:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:04:22,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:22,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:22,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:22,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:04:22,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:04:22,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:04:22,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:22,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:04:22,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:04:22,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:04:22,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:22,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:04:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:22,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:22,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:04:22,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:04:22,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 21:04:22,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:04:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:04:22,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:22,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:04:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:22,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:22,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:04:22,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:22,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:04:22,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:04:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:04:22,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:22,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 21:04:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:22,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:22,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:04:22,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:22,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:04:22,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:04:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:22,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:22,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:22,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:22,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:22,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:22,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:22,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:22,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:22,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:22,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:04:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:22,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:22,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:22,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:22,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:22,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:22,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:22,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 21:04:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:22,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:22,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:22,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:22,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:22,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:22,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:22,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:04:22,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:22,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:22,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 21:04:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:22,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:22,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:22,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:22,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:22,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:22,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:22,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:22,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:04:22,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:22,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:22,793 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 21:04:22,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712134435] [2020-10-27 21:04:22,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:04:22,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 21:04:22,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899216968] [2020-10-27 21:04:22,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 21:04:22,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:04:22,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 21:04:22,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-27 21:04:22,799 INFO L87 Difference]: Start difference. First operand 1263 states and 2010 transitions. Second operand 15 states. [2020-10-27 21:04:24,503 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:04:25,873 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:27,150 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:04:28,619 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:29,947 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:04:31,373 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:32,775 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:04:34,057 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:37,507 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:05:01,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:05:01,818 INFO L93 Difference]: Finished difference Result 3145 states and 5386 transitions. [2020-10-27 21:05:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 21:05:01,819 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 96 [2020-10-27 21:05:01,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:05:01,840 INFO L225 Difference]: With dead ends: 3145 [2020-10-27 21:05:01,840 INFO L226 Difference]: Without dead ends: 1910 [2020-10-27 21:05:01,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2020-10-27 21:05:01,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2020-10-27 21:05:02,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1269. [2020-10-27 21:05:02,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1269 states. [2020-10-27 21:05:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 2016 transitions. [2020-10-27 21:05:02,207 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 2016 transitions. Word has length 96 [2020-10-27 21:05:02,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:05:02,207 INFO L481 AbstractCegarLoop]: Abstraction has 1269 states and 2016 transitions. [2020-10-27 21:05:02,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 21:05:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 2016 transitions. [2020-10-27 21:05:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-27 21:05:02,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:05:02,210 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, 1] [2020-10-27 21:05:02,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:05:02,210 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 21:05:02,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:05:02,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1320800941, now seen corresponding path program 1 times [2020-10-27 21:05:02,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:05:02,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923559795] [2020-10-27 21:05:02,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:05:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:02,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:02,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:02,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:03,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:03,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:07,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:07,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 21:05:07,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:05:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 21:05:07,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:05:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 21:05:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:05:07,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:08,654 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:05:08,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:05:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:08,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:08,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:08,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:08,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:08,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 21:05:08,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:08,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:08,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:08,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:08,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:08,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:05:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:08,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:08,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:08,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:08,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:08,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:08,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:08,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:08,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:08,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:08,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:08,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:05:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:08,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:08,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:08,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:08,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:08,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:08,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:08,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:08,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:05:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:08,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:08,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:08,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:08,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:08,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:08,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:08,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:08,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:08,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:05:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:08,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:08,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:08,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:08,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:08,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:08,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:08,993 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:05:08,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:05:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:09,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:09,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:09,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:05:09,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:09,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 21:05:09,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:09,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:09,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:09,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:09,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:09,162 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:05:09,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:05:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:09,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:09,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:09,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:09,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:09,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:05:09,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:09,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:05:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:09,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:09,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:09,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:09,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:09,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:09,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:05:09,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:05:09,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 658 [2020-10-27 21:05:09,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:05:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 21:05:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:05:09,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:09,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:05:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:09,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:09,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:09,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:09,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:09,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:05:09,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:05:09,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:05:09,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:09,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:05:09,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:05:09,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:05:09,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:10,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:05:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:10,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:10,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:10,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:10,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:05:10,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:05:10,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 21:05:10,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:05:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:05:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:05:10,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:10,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:05:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:10,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:10,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:10,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:05:10,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:10,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:05:10,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:10,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:05:10,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:10,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:05:10,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:10,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 21:05:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:10,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:10,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:10,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:05:10,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:05:10,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 21:05:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:10,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:05:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:10,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:10,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:10,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:10,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:10,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:10,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:10,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:10,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:05:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:10,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:10,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:10,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:10,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:10,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:10,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:10,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 21:05:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:10,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:10,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:10,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:05:10,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:10,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:10,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:10,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:10,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 21:05:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:10,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:10,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:10,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:10,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:10,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:10,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:05:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:10,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:10,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 21:05:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:10,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:10,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:10,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:10,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:10,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:10,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:05:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:10,380 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 21:05:10,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923559795] [2020-10-27 21:05:10,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:05:10,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 21:05:10,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213536461] [2020-10-27 21:05:10,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 21:05:10,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:05:10,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 21:05:10,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-27 21:05:10,384 INFO L87 Difference]: Start difference. First operand 1269 states and 2016 transitions. Second operand 13 states. [2020-10-27 21:05:12,244 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:05:13,634 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 21:05:14,978 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:05:16,469 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:05:17,798 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:05:21,123 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:05:42,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:05:42,297 INFO L93 Difference]: Finished difference Result 3143 states and 5360 transitions. [2020-10-27 21:05:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 21:05:42,298 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 100 [2020-10-27 21:05:42,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:05:42,316 INFO L225 Difference]: With dead ends: 3143 [2020-10-27 21:05:42,316 INFO L226 Difference]: Without dead ends: 1812 [2020-10-27 21:05:42,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2020-10-27 21:05:42,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2020-10-27 21:05:42,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1187. [2020-10-27 21:05:42,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states. [2020-10-27 21:05:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1856 transitions. [2020-10-27 21:05:42,680 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1856 transitions. Word has length 100 [2020-10-27 21:05:42,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:05:42,680 INFO L481 AbstractCegarLoop]: Abstraction has 1187 states and 1856 transitions. [2020-10-27 21:05:42,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 21:05:42,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1856 transitions. [2020-10-27 21:05:42,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-27 21:05:42,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:05:42,683 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, 1] [2020-10-27 21:05:42,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:05:42,683 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 21:05:42,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:05:42,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1211453231, now seen corresponding path program 1 times [2020-10-27 21:05:42,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:05:42,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368915752] [2020-10-27 21:05:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:05:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:42,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:42,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:43,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:44,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:45,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:46,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:47,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:47,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 21:05:47,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:05:47,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 21:05:47,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:05:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 21:05:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 21:05:47,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:49,182 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:05:49,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:05:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:49,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:49,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:49,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:49,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:49,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 21:05:49,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:49,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:49,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:05:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:49,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:49,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:49,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:49,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:49,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:49,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:49,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:49,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:49,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:49,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:05:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:49,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:49,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:49,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:49,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:49,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:49,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:05:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:49,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:49,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:49,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:49,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:49,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:49,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:49,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:49,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:49,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:49,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:49,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:05:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:49,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:49,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:49,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:49,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:49,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:49,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:49,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:49,503 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:05:49,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:05:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:49,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:49,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:49,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:05:49,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:49,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 21:05:49,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:49,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:49,651 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:05:49,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:05:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:49,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:49,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:49,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:49,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:49,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:05:49,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:49,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:49,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:05:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:49,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:49,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:49,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:49,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:50,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:50,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 21:05:50,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:05:50,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-27 21:05:50,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:05:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 21:05:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:05:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:50,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:05:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:50,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:50,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:50,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:05:50,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:50,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:05:50,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:50,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:50,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:05:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:50,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:50,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:50,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:50,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 21:05:50,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:05:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 21:05:50,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:05:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:05:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:05:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:50,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:05:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:50,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:50,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:50,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:05:50,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:50,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:05:50,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:50,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:05:50,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:05:50,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:05:50,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:05:50,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 21:05:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:50,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:50,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:50,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:05:50,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:50,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:05:50,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:50,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:05:50,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:50,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 21:05:50,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:50,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:05:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:50,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:50,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:50,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:50,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:50,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:05:50,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:05:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:05:50,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:50,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:05:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:50,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:50,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:50,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:50,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:50,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:50,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:05:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:05:50,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:50,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 21:05:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:50,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:50,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:50,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:50,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:50,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:50,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:50,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:05:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:05:50,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:50,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 21:05:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:50,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:50,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:50,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:50,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:50,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:50,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:50,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:50,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:05:50,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:50,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:50,361 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 21:05:50,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368915752] [2020-10-27 21:05:50,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:05:50,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 21:05:50,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946266745] [2020-10-27 21:05:50,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 21:05:50,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:05:50,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 21:05:50,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-27 21:05:50,364 INFO L87 Difference]: Start difference. First operand 1187 states and 1856 transitions. Second operand 11 states. [2020-10-27 21:05:52,573 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 21:05:53,019 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 21:05:54,440 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:05:55,725 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 21:05:56,412 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:05:59,003 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:05:59,260 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 21:06:00,357 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:06:12,754 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:06:20,264 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:06:21,499 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 409