/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=NARROWEST --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 -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:28:08,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:28:08,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:28:08,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:28:08,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:28:08,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:28:08,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:28:08,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:28:08,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:28:08,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:28:08,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:28:08,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:28:08,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:28:08,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:28:08,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:28:08,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:28:08,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:28:08,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:28:08,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:28:08,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:28:08,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:28:08,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:28:08,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:28:08,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:28:08,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:28:08,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:28:08,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:28:08,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:28:08,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:28:08,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:28:08,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:28:08,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:28:08,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:28:08,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:28:08,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:28:08,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:28:08,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:28:08,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:28:08,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:28:08,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:28:08,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:28:08,652 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 [2020-10-13 11:28:08,698 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:28:08,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:28:08,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:28:08,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:28:08,702 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:28:08,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:28:08,702 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:28:08,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:28:08,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:28:08,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:28:08,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:28:08,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:28:08,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:28:08,704 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:28:08,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:28:08,705 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:28:08,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:28:08,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:28:08,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:28:08,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:28:08,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:28:08,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:28:08,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:28:08,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:28:08,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:28:08,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:28:08,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:28:08,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:28:08,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:28:08,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:28:08,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:28:09,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:28:09,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:28:09,008 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:28:09,008 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:28:09,009 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product17.cil.c [2020-10-13 11:28:09,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a3739448e/e51d3f5a342c4419b608c587d819ae90/FLAGc1c4fe366 [2020-10-13 11:28:09,635 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:28:09,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product17.cil.c [2020-10-13 11:28:09,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a3739448e/e51d3f5a342c4419b608c587d819ae90/FLAGc1c4fe366 [2020-10-13 11:28:09,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a3739448e/e51d3f5a342c4419b608c587d819ae90 [2020-10-13 11:28:09,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:28:09,853 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:28:09,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:28:09,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:28:09,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:28:09,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:28:09" (1/1) ... [2020-10-13 11:28:09,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20abf48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:09, skipping insertion in model container [2020-10-13 11:28:09,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:28:09" (1/1) ... [2020-10-13 11:28:09,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:28:09,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:28:10,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:28:10,641 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:28:10,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:28:10,850 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:28:10,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:10 WrapperNode [2020-10-13 11:28:10,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:28:10,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:28:10,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:28:10,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:28:10,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:10" (1/1) ... [2020-10-13 11:28:10,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:10" (1/1) ... [2020-10-13 11:28:10,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:10" (1/1) ... [2020-10-13 11:28:10,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:10" (1/1) ... [2020-10-13 11:28:10,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:10" (1/1) ... [2020-10-13 11:28:11,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:10" (1/1) ... [2020-10-13 11:28:11,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:10" (1/1) ... [2020-10-13 11:28:11,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:28:11,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:28:11,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:28:11,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:28:11,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:10" (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 [2020-10-13 11:28:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:28:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:28:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:28:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:28:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:28:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:28:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:28:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:28:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:28:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:28:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:28:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:28:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:28:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:28:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:28:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:28:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:28:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:28:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:28:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:28:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:28:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:28:11,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:28:11,180 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:28:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:28:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:28:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:28:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:28:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:28:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:28:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:28:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:28:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:28:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:28:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:28:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:28:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:28:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:28:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:28:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:28:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:28:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:28:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:28:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:28:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:28:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:28:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:28:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:28:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:28:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:28:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:28:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:28:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:28:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:28:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:28:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:28:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:28:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:28:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:28:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:28:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:28:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:28:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:28:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:28:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:28:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:28:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:28:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:28:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:28:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:28:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:28:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:28:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:28:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:28:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:28:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:28:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:28:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:28:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:28:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:28:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:28:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:28:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:28:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:28:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:28:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:28:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:28:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:28:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:28:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:28:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:28:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:28:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:28:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:28:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:28:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:28:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:28:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:28:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:28:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:28:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:28:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:28:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:28:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:28:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:28:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:28:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:28:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:28:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:28:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:28:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:28:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:28:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:28:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:28:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:28:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:28:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:28:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:28:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:28:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:28:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:28:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:28:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:28:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:28:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:28:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:28:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:28:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:28:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:28:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:28:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:28:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:28:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:28:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:28:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:28:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:28:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:28:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:28:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:28:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:28:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:28:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:28:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:28:11,220 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:28:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:28:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:28:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:28:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:28:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:28:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:28:11,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:28:11,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:28:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:28:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:28:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:28:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:28:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:28:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:28:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:28:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:28:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:28:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:28:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:28:13,524 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:28:13,524 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:28:13,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:28:13 BoogieIcfgContainer [2020-10-13 11:28:13,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:28:13,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:28:13,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:28:13,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:28:13,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:28:09" (1/3) ... [2020-10-13 11:28:13,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a24b924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:28:13, skipping insertion in model container [2020-10-13 11:28:13,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:10" (2/3) ... [2020-10-13 11:28:13,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a24b924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:28:13, skipping insertion in model container [2020-10-13 11:28:13,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:28:13" (3/3) ... [2020-10-13 11:28:13,544 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product17.cil.c [2020-10-13 11:28:13,556 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:28:13,566 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:28:13,583 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:28:13,613 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:28:13,614 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:28:13,614 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:28:13,614 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:28:13,614 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:28:13,614 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:28:13,614 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:28:13,615 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:28:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states. [2020-10-13 11:28:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-13 11:28:13,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:28:13,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:28:13,678 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:28:13,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:28:13,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1835526368, now seen corresponding path program 1 times [2020-10-13 11:28:13,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:28:13,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171348837] [2020-10-13 11:28:13,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:14,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:14,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:14,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:14,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:15,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 11:28:19,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:19,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-13 11:28:19,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:28:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:28:19,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:28:20,489 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:28:20,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:20,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:20,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:20,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:20,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 11:28:20,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:20,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:20,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:20,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:20,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:20,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:20,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:20,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:20,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:20,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:20,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:20,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:20,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:20,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:20,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:20,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:20,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:20,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:20,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:20,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:20,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:20,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:20,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:20,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:20,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:20,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:20,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:20,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:20,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:20,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:20,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:20,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:20,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:20,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:20,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:20,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:20,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:20,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:20,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:20,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:20,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:20,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:20,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:20,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:20,850 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:28:20,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:20,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:20,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:21,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:21,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:21,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:25,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:25,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 11:28:25,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:25,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:28:25,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:25,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:25,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:28:25,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:28:25,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:26,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:26,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:26,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:28:26,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:28:26,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 562 [2020-10-13 11:28:26,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:26,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:26,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:28:26,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:28:26,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:26,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:26,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:26,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:26,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:26,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:28:26,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:26,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:28:26,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:28:26,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:26,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:28:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:26,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:26,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:28:26,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:26,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:28:26,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:26,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:28:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:26,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:26,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:28:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:26,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:26,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:26,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:26,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:26,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:26,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:26,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:26,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:28:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:26,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:26,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:30,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:30,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:31,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 11:28:31,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:28:31,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:28:31,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:31,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:31,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 11:28:31,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:31,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:31,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:31,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:31,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:34,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:34,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:28:34,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:34,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2892 [2020-10-13 11:28:34,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:34,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:34,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:34,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:34,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:34,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:34,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:34,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:34,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:34,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:34,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:34,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:34,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:34,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:34,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:34,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:34,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:34,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:28:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:34,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:34,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:34,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:28:34,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:34,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:28:34,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:34,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:34,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:34,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:34,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:34,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:28:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:34,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:34,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:34,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:28:34,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:34,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:34,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:34,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:34,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:28:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:34,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:34,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:34,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:28:34,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:34,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:34,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:34,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:34,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:34,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:34,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:34,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:34,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:34,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:28:34,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171348837] [2020-10-13 11:28:34,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:28:34,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:28:34,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094907075] [2020-10-13 11:28:34,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:28:34,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:28:34,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:28:34,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:28:34,910 INFO L87 Difference]: Start difference. First operand 742 states. Second operand 10 states. [2020-10-13 11:28:36,684 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:28:37,413 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:28:38,793 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:28:39,806 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:28:55,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:28:55,486 INFO L93 Difference]: Finished difference Result 1703 states and 3024 transitions. [2020-10-13 11:28:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:28:55,488 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2020-10-13 11:28:55,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:28:55,528 INFO L225 Difference]: With dead ends: 1703 [2020-10-13 11:28:55,528 INFO L226 Difference]: Without dead ends: 1110 [2020-10-13 11:28:55,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:28:55,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2020-10-13 11:28:55,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 582. [2020-10-13 11:28:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-10-13 11:28:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 937 transitions. [2020-10-13 11:28:55,834 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 937 transitions. Word has length 107 [2020-10-13 11:28:55,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:28:55,835 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 937 transitions. [2020-10-13 11:28:55,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:28:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 937 transitions. [2020-10-13 11:28:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-13 11:28:55,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:28:55,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:28:55,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:28:55,843 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:28:55,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:28:55,843 INFO L82 PathProgramCache]: Analyzing trace with hash 443776321, now seen corresponding path program 1 times [2020-10-13 11:28:55,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:28:55,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680642248] [2020-10-13 11:28:55,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:55,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:56,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:56,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:56,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:57,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:00,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:00,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-13 11:29:00,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:29:00,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-13 11:29:00,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:00,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:00,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:29:00,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:00,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:01,719 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:29:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:01,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:01,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:01,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:01,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:29:01,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:01,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:01,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:01,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:01,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:01,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:29:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:01,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:01,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:01,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:01,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:01,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:01,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:01,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:01,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:01,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:01,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:29:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:01,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:01,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:01,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:01,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:01,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:01,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:01,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:01,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:01,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:29:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:01,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:01,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:01,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:01,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:01,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:01,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:01,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:01,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:29:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:01,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:01,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:01,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:01,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:01,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:01,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:01,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:01,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:01,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:01,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:01,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:01,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:01,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:01,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:01,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:01,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:01,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:01,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:01,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:02,010 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:29:02,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:29:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:02,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 11:29:07,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:29:07,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:29:07,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:07,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:29:07,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:07,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:29:07,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:29:07,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-13 11:29:07,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:29:07,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:07,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:29:07,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:07,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:07,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:07,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:07,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:07,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:29:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:29:07,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:07,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:29:07,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:29:07,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:29:07,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:29:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:07,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:07,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:07,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:29:07,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:09,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:10,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 11:29:10,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:29:10,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3237 [2020-10-13 11:29:10,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 11:29:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:10,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:10,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:10,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:11,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:12,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:29:12,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:29:12,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1684 [2020-10-13 11:29:12,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:12,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:12,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:12,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:12,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:29:12,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:12,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:12,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:12,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:12,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:12,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:12,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:12,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:12,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:12,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:12,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:29:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:12,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:12,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:29:12,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:12,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:12,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:12,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:29:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:12,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:12,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:29:12,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:12,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:12,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:12,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:12,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:29:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:12,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:12,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:29:12,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:12,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:12,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:12,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:12,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:12,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:12,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:12,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:12,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:12,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:12,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:12,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:12,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:12,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:29:12,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680642248] [2020-10-13 11:29:12,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:29:12,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:29:12,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413931299] [2020-10-13 11:29:12,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:29:12,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:29:12,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:29:12,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:29:12,674 INFO L87 Difference]: Start difference. First operand 582 states and 937 transitions. Second operand 10 states. [2020-10-13 11:29:14,222 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:29:16,268 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:29:31,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:29:31,233 INFO L93 Difference]: Finished difference Result 1609 states and 2839 transitions. [2020-10-13 11:29:31,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:29:31,234 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-10-13 11:29:31,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:29:31,247 INFO L225 Difference]: With dead ends: 1609 [2020-10-13 11:29:31,247 INFO L226 Difference]: Without dead ends: 1110 [2020-10-13 11:29:31,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:29:31,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2020-10-13 11:29:31,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 582. [2020-10-13 11:29:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-10-13 11:29:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 932 transitions. [2020-10-13 11:29:31,430 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 932 transitions. Word has length 110 [2020-10-13 11:29:31,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:29:31,431 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 932 transitions. [2020-10-13 11:29:31,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:29:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 932 transitions. [2020-10-13 11:29:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-13 11:29:31,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:29:31,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:29:31,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:29:31,436 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:29:31,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:29:31,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1696885534, now seen corresponding path program 1 times [2020-10-13 11:29:31,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:29:31,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620781183] [2020-10-13 11:29:31,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:29:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:31,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:33,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:33,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:36,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:36,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-13 11:29:36,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:29:36,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:29:36,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:29:36,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-13 11:29:36,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:36,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:37,213 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:29:37,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:37,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:37,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:29:37,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:37,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:29:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:37,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:37,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:37,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:37,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:37,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:37,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:29:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:37,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:37,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:37,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:37,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:37,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:37,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:29:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:37,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:37,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:37,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:37,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:37,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:37,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:37,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:29:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:37,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:37,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:37,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:37,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:37,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:37,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:37,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:37,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:37,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:37,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:37,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:37,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:37,515 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:29:37,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:29:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:39,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:39,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:39,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:29:42,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:29:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:29:42,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:29:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 11:29:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:42,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:29:42,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:42,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-13 11:29:42,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:29:42,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:42,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:42,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:29:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:29:42,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:42,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:29:42,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:43,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:29:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:43,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:43,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:43,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:43,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:43,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:43,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:43,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:43,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:29:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:43,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:43,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:43,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:43,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:43,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:45,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 11:29:45,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:45,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2485 [2020-10-13 11:29:45,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:45,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:29:45,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 11:29:45,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:45,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:45,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:45,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:47,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:47,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:29:47,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:47,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1714 [2020-10-13 11:29:47,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:29:47,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 11:29:47,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:47,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:47,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:47,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:47,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:29:47,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:47,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:47,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:47,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:47,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:47,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:47,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:47,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:47,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:47,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:47,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:47,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:47,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:47,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:47,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:29:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:47,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:47,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:47,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:29:47,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:47,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:29:47,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:47,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:47,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:47,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:29:47,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:47,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:29:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:47,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:47,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:47,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:29:47,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:47,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:47,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:47,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:47,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:29:47,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:47,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:47,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:29:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:47,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:47,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:47,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:29:47,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:47,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:47,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:47,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:47,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:29:47,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:47,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:47,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:47,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:47,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:47,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:47,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:47,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:47,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:47,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:47,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:47,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:47,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:29:47,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620781183] [2020-10-13 11:29:47,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:29:47,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:29:47,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314884205] [2020-10-13 11:29:47,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:29:47,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:29:47,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:29:47,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:29:47,483 INFO L87 Difference]: Start difference. First operand 582 states and 932 transitions. Second operand 11 states. [2020-10-13 11:29:49,872 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:29:50,964 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:29:51,302 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-13 11:29:52,078 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:29:52,305 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 11:29:53,062 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:29:59,828 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:30:10,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:30:10,722 INFO L93 Difference]: Finished difference Result 1610 states and 2878 transitions. [2020-10-13 11:30:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:30:10,724 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 111 [2020-10-13 11:30:10,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:30:10,736 INFO L225 Difference]: With dead ends: 1610 [2020-10-13 11:30:10,736 INFO L226 Difference]: Without dead ends: 1121 [2020-10-13 11:30:10,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2020-10-13 11:30:10,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2020-10-13 11:30:10,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 586. [2020-10-13 11:30:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 11:30:10,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 937 transitions. [2020-10-13 11:30:10,937 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 937 transitions. Word has length 111 [2020-10-13 11:30:10,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:30:10,938 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 937 transitions. [2020-10-13 11:30:10,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:30:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 937 transitions. [2020-10-13 11:30:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-13 11:30:10,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:30:10,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:30:10,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:30:10,944 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:30:10,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:30:10,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1746393846, now seen corresponding path program 1 times [2020-10-13 11:30:10,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:30:10,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633370653] [2020-10-13 11:30:10,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:30:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:11,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:12,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:15,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:15,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-13 11:30:16,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 11:30:16,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 11:30:16,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:16,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-13 11:30:16,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:16,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:16,711 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:30:16,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:16,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:16,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 11:30:16,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:16,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:16,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:16,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:30:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:16,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:16,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:16,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:16,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:16,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:16,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:16,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:30:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:16,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:16,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:16,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:16,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:16,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:16,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:16,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:30:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:16,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:16,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:16,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:16,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:16,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:16,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:30:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:16,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:16,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:16,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:16,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:16,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:16,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:16,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:16,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:16,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:16,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:16,973 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:30:16,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:30:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:17,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:17,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:17,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:17,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:17,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:17,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:17,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:21,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:21,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 11:30:21,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:30:21,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:30:21,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 11:30:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:21,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:22,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:22,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:22,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:30:22,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:30:22,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-13 11:30:22,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:22,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:22,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:22,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:22,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:22,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:22,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:22,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:30:22,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:30:22,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:22,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:22,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:22,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:30:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:22,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:22,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:30:22,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:30:22,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:30:22,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:22,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:22,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:22,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:22,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:30:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:22,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:22,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:22,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:22,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:22,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:22,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:22,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:30:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:22,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:22,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:27,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:27,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 11:30:27,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:30:27,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4869 [2020-10-13 11:30:27,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:30:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:27,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:27,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:27,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:27,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:27,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:27,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:27,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:27,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:27,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:28,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:30,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:30,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:30:30,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:30:30,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3147 [2020-10-13 11:30:30,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:30,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:30,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 11:30:30,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:30,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:30,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:30,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:30,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:30,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:30:30,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:30,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:30,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:30,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:30,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:30,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:30,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:30,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:30,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:30,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:30,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:30,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:30,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:30,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:30,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:30,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:30,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:30:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:30,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:30,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:30,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:30:30,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:30,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:30,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:30:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:30,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:30,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 11:30:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:30,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:30,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:30,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:30:30,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:30,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:30,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:30:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:30,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:30,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 11:30:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:30,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:30,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:30,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:30:30,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:30,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:30,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:30:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:30,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:30,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:30,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:30,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:30,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:30,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:30,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:30,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:30,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:30,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:30,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:30,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:30:30,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633370653] [2020-10-13 11:30:30,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:30:30,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:30:30,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309599709] [2020-10-13 11:30:30,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:30:30,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:30:30,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:30:30,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:30:30,619 INFO L87 Difference]: Start difference. First operand 586 states and 937 transitions. Second operand 9 states. [2020-10-13 11:30:31,485 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-13 11:30:32,537 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-13 11:30:33,751 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-13 11:30:34,169 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:30:38,015 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:31:06,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:31:06,413 INFO L93 Difference]: Finished difference Result 2478 states and 4540 transitions. [2020-10-13 11:31:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 11:31:06,414 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 115 [2020-10-13 11:31:06,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:31:06,433 INFO L225 Difference]: With dead ends: 2478 [2020-10-13 11:31:06,434 INFO L226 Difference]: Without dead ends: 1985 [2020-10-13 11:31:06,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2020-10-13 11:31:06,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2020-10-13 11:31:06,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1026. [2020-10-13 11:31:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-10-13 11:31:06,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1647 transitions. [2020-10-13 11:31:06,880 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1647 transitions. Word has length 115 [2020-10-13 11:31:06,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:31:06,881 INFO L479 AbstractCegarLoop]: Abstraction has 1026 states and 1647 transitions. [2020-10-13 11:31:06,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:31:06,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1647 transitions. [2020-10-13 11:31:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 11:31:06,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:31:06,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:31:06,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:31:06,885 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:31:06,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:31:06,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1026266823, now seen corresponding path program 1 times [2020-10-13 11:31:06,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:31:06,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837388398] [2020-10-13 11:31:06,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:31:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:06,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:06,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:07,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:07,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:07,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:07,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:08,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:08,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:11,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:11,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 11:31:11,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:31:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 11:31:11,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:31:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-13 11:31:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:31:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:12,656 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:31:12,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:12,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:12,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:12,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:31:12,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:12,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:31:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:12,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:12,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:12,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:12,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:12,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:12,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:31:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:12,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:12,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:12,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:12,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:31:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:12,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:12,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:12,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:12,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:12,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:31:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:12,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:12,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:12,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:12,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:12,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:12,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:12,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:12,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:12,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:12,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:31:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:12,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:12,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:12,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:12,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:12,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:12,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:12,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:12,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:31:12,926 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:31:12,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:12,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:13,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:13,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:13,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:16,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:16,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:17,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:17,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 11:31:17,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:31:17,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:31:17,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:31:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-13 11:31:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:31:17,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:31:18,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:31:18,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-13 11:31:18,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:18,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:18,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:31:18,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:31:18,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:18,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:18,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:18,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:18,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:31:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:31:18,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:31:18,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:31:18,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:18,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:18,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:18,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:31:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:18,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:18,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:18,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:18,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:18,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:18,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:31:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:23,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 11:31:23,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:31:23,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:31:23,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:23,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:31:23,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 11:31:23,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:31:23,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:23,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 11:31:28,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:31:28,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 11:31:28,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:31:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 11:31:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:31:28,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:31:28,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:28,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:28,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:28,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:31:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 11:31:28,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:31:28,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:31:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 11:31:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:31:28,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:31:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:28,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:28,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 11:31:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:31:28,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:28,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:31:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:31:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:31:28,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:28,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:31:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:28,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:28,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:31:28,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837388398] [2020-10-13 11:31:28,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:31:28,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:31:28,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680349068] [2020-10-13 11:31:28,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:31:28,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:31:28,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:31:28,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:31:28,561 INFO L87 Difference]: Start difference. First operand 1026 states and 1647 transitions. Second operand 9 states. [2020-10-13 11:31:29,491 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:31:30,518 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-13 11:31:31,546 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-13 11:31:31,887 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:31:35,547 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 127