/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=BIGGEST --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_spec1_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:35:52,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:35:52,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:35:52,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:35:52,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:35:52,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:35:52,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:35:52,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:35:52,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:35:52,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:35:52,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:35:52,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:35:52,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:35:52,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:35:52,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:35:52,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:35:52,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:35:52,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:35:52,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:35:52,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:35:52,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:35:52,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:35:52,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:35:52,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:35:52,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:35:52,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:35:52,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:35:52,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:35:52,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:35:52,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:35:52,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:35:52,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:35:52,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:35:52,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:35:52,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:35:52,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:35:52,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:35:52,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:35:52,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:35:52,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:35:52,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:35:52,812 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 [2020-10-12 16:35:52,859 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:35:52,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:35:52,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:35:52,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:35:52,862 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:35:52,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:35:52,862 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:35:52,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:35:52,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:35:52,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:35:52,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:35:52,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:35:52,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:35:52,865 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:35:52,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:35:52,865 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:35:52,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:35:52,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:35:52,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:35:52,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:35:52,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:35:52,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:35:52,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:35:52,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:35:52,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:35:52,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:35:52,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:35:52,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:35:52,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:35:52,868 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:35:53,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:35:53,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:35:53,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:35:53,165 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:35:53,165 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:35:53,166 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product01.cil.c [2020-10-12 16:35:53,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/339319eb0/d146680ee9de442abafd0cc2b23e93d7/FLAGfecc11cd8 [2020-10-12 16:35:53,863 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:35:53,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product01.cil.c [2020-10-12 16:35:53,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/339319eb0/d146680ee9de442abafd0cc2b23e93d7/FLAGfecc11cd8 [2020-10-12 16:35:54,078 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/339319eb0/d146680ee9de442abafd0cc2b23e93d7 [2020-10-12 16:35:54,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:35:54,088 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:35:54,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:35:54,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:35:54,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:35:54,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:35:54" (1/1) ... [2020-10-12 16:35:54,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697fd79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:54, skipping insertion in model container [2020-10-12 16:35:54,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:35:54" (1/1) ... [2020-10-12 16:35:54,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:35:54,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:35:54,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:35:54,845 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:35:54,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:35:55,033 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:35:55,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:55 WrapperNode [2020-10-12 16:35:55,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:35:55,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:35:55,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:35:55,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:35:55,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:55" (1/1) ... [2020-10-12 16:35:55,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:55" (1/1) ... [2020-10-12 16:35:55,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:55" (1/1) ... [2020-10-12 16:35:55,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:55" (1/1) ... [2020-10-12 16:35:55,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:55" (1/1) ... [2020-10-12 16:35:55,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:55" (1/1) ... [2020-10-12 16:35:55,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:55" (1/1) ... [2020-10-12 16:35:55,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:35:55,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:35:55,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:35:55,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:35:55,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:55" (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 [2020-10-12 16:35:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:35:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:35:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:35:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:35:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:35:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:35:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:35:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:35:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:35:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:35:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:35:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:35:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:35:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:35:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:35:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:35:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:35:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:35:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:35:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:35:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:35:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:35:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:35:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:35:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:35:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:35:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:35:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:35:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:35:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:35:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:35:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:35:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:35:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:35:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:35:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:35:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:35:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:35:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:35:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:35:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:35:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:35:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:35:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:35:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:35:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:35:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:35:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:35:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:35:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:35:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:35:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:35:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:35:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:35:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:35:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:35:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:35:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:35:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:35:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:35:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:35:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:35:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:35:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:35:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:35:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:35:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:35:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:35:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:35:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:35:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:35:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:35:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:35:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:35:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:35:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:35:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:35:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:35:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:35:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:35:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:35:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:35:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:35:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:35:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:35:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:35:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:35:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:35:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:35:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:35:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:35:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:35:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:35:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:35:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:35:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:35:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:35:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:35:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:35:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:35:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:35:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:35:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:35:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:35:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:35:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:35:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:35:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:35:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:35:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:35:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:35:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:35:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:35:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:35:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:35:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:35:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:35:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:35:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:35:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:35:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:35:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:35:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:35:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:35:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:35:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:35:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:35:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:35:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:35:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:35:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:35:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:35:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:35:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:35:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:35:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:35:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:35:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:35:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:35:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:35:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:35:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:35:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:35:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:35:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:35:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:35:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:35:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:35:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:35:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:35:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:35:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:35:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:35:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:35:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:35:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:35:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:35:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:35:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:35:57,571 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:35:57,571 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:35:57,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:35:57 BoogieIcfgContainer [2020-10-12 16:35:57,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:35:57,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:35:57,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:35:57,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:35:57,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:35:54" (1/3) ... [2020-10-12 16:35:57,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe911c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:35:57, skipping insertion in model container [2020-10-12 16:35:57,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:55" (2/3) ... [2020-10-12 16:35:57,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe911c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:35:57, skipping insertion in model container [2020-10-12 16:35:57,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:35:57" (3/3) ... [2020-10-12 16:35:57,589 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product01.cil.c [2020-10-12 16:35:57,599 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:35:57,609 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:35:57,623 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:35:57,650 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:35:57,650 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:35:57,650 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:35:57,651 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:35:57,651 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:35:57,651 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:35:57,651 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:35:57,651 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:35:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states. [2020-10-12 16:35:57,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-12 16:35:57,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:35:57,710 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:35:57,710 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:35:57,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:35:57,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1026623827, now seen corresponding path program 1 times [2020-10-12 16:35:57,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:35:57,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161613541] [2020-10-12 16:35:57,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:35:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:58,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:58,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:58,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:58,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:59,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:59,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:00,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:03,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:03,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 16:36:03,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:36:03,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5088 [2020-10-12 16:36:03,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:03,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:36:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 16:36:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:36:03,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 16:36:04,373 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:36:04,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:36:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:04,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:04,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:04,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:04,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:04,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 16:36:04,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:04,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:04,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:04,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:04,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:04,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:36:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:04,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:04,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:04,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:36:04,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:04,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:04,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:04,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:04,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:04,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:04,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:04,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:36:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:04,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:04,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:36:04,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:04,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:04,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:04,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:04,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:36:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:04,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:04,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:04,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:04,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:36:04,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:04,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:04,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:36:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:04,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:04,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:04,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:36:04,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:04,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:04,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:04,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:04,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:04,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:04,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:04,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:36:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:04,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:04,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:04,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:04,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:04,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:36:04,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:04,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:04,822 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 16:36:04,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:36:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:04,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:04,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:04,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:04,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:05,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:05,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:05,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:05,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:06,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:09,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:09,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 16:36:09,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:36:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 16:36:09,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:36:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-12 16:36:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:36:09,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:10,137 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:36:10,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:36:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:10,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:10,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:10,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:10,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:10,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:10,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:11,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:36:11,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:36:11,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1365 [2020-10-12 16:36:11,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:36:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:36:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:36:11,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:11,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:11,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:11,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:11,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:36:11,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:36:11,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:11,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:36:11,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:11,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:36:11,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:11,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:36:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:11,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:11,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:36:11,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:36:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-12 16:36:11,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:36:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:36:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:36:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:11,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:36:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:11,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:11,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:36:11,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:36:11,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 16:36:11,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:36:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:36:11,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:11,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:11,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:11,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:11,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:11,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:36:11,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:36:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:11,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:36:11,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:11,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:36:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:11,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:11,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:12,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:12,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:13,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:36:13,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:36:13,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1107 [2020-10-12 16:36:13,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:13,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:36:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:36:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:36:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:13,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:13,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:13,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:13,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:36:13,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:36:13,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:13,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:36:13,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:13,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:36:13,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:13,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:36:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:13,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:13,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:36:13,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:36:13,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-12 16:36:13,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:36:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:36:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:36:13,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:13,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:36:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:13,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:13,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:36:13,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:36:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 16:36:13,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:36:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:36:13,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:13,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:13,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:13,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:13,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:13,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:36:13,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:13,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:36:13,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:13,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:36:13,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:13,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:36:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:13,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:16,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:16,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:18,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:18,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 16:36:18,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:36:18,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 16:36:18,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:18,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:36:18,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 16:36:18,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 16:36:18,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:18,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:18,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:18,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:18,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:18,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:18,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:20,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:20,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 16:36:20,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:36:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2327 [2020-10-12 16:36:20,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:36:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:36:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 16:36:20,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:20,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:20,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:21,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:21,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:36:21,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:21,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:36:21,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:21,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:36:21,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:21,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:36:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:21,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:21,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:21,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:21,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:21,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:21,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:36:21,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:36:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:36:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:36:21,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 16:36:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:21,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:21,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:21,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:21,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:36:21,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:36:21,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:36:21,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:21,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:21,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:21,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:36:21,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:21,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:36:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:21,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:21,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:21,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:21,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:36:21,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:36:21,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:36:21,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:36:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:36:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:36:21,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:21,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:36:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:21,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:21,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:21,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:36:21,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:21,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:36:21,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:36:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 16:36:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 16:36:21,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:21,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:21,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:21,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:21,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:21,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:21,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:21,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:36:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:36:21,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-12 16:36:21,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161613541] [2020-10-12 16:36:21,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:36:21,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2020-10-12 16:36:21,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959144392] [2020-10-12 16:36:21,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 16:36:21,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:36:21,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 16:36:21,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:36:21,612 INFO L87 Difference]: Start difference. First operand 722 states. Second operand 29 states. [2020-10-12 16:36:24,182 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:36:25,665 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:26,489 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:27,287 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:28,161 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:28,966 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:29,886 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:36:30,786 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:31,686 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:36:32,541 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:33,364 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:34,445 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:37,239 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:38,020 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:39,664 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:36:40,417 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:40,838 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 16:36:42,209 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:36:42,994 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 16:36:43,165 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:36:44,341 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:45,549 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:36:46,298 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:47,820 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:48,594 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:36:49,800 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:36:50,603 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:36:52,272 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 393 DAG size of output: 388 [2020-10-12 16:36:53,090 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:36:55,626 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 401 DAG size of output: 397 [2020-10-12 16:36:57,725 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 394 DAG size of output: 389 [2020-10-12 16:37:00,681 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:37:01,525 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:37:02,359 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:37:03,219 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:37:04,604 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:37:05,394 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:37:09,794 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:37:11,843 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 396 DAG size of output: 391 [2020-10-12 16:37:13,584 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 398 DAG size of output: 393 [2020-10-12 16:37:15,433 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 397 DAG size of output: 392 [2020-10-12 16:37:15,805 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2020-10-12 16:37:17,610 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2020-10-12 16:37:17,865 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 16:37:18,695 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2020-10-12 16:37:19,328 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2020-10-12 16:37:19,533 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 16:37:21,543 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:37:22,591 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:37:23,512 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:37:24,909 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:37:25,709 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:37:26,612 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:37:27,238 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:37:29,897 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 127 [2020-10-12 16:37:33,093 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:37:34,434 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:37:36,169 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 392 DAG size of output: 388 [2020-10-12 16:37:44,708 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:37:46,201 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 390 DAG size of output: 385 [2020-10-12 16:37:47,767 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 392 DAG size of output: 387 [2020-10-12 16:37:49,203 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 394 DAG size of output: 389 [2020-10-12 16:37:49,621 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2020-10-12 16:37:50,048 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:37:50,341 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2020-10-12 16:37:51,799 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 393 DAG size of output: 388 [2020-10-12 16:38:44,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:38:44,822 INFO L93 Difference]: Finished difference Result 3627 states and 6854 transitions. [2020-10-12 16:38:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2020-10-12 16:38:44,824 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 138 [2020-10-12 16:38:44,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:38:44,891 INFO L225 Difference]: With dead ends: 3627 [2020-10-12 16:38:44,891 INFO L226 Difference]: Without dead ends: 3036 [2020-10-12 16:38:44,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6666 ImplicationChecksByTransitivity, 52.9s TimeCoverageRelationStatistics Valid=2298, Invalid=16608, Unknown=0, NotChecked=0, Total=18906 [2020-10-12 16:38:44,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3036 states. [2020-10-12 16:38:45,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3036 to 1914. [2020-10-12 16:38:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-10-12 16:38:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 3112 transitions. [2020-10-12 16:38:45,551 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 3112 transitions. Word has length 138 [2020-10-12 16:38:45,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:38:45,552 INFO L479 AbstractCegarLoop]: Abstraction has 1914 states and 3112 transitions. [2020-10-12 16:38:45,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 16:38:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 3112 transitions. [2020-10-12 16:38:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-12 16:38:45,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:38:45,561 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:38:45,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:38:45,562 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:38:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:38:45,562 INFO L82 PathProgramCache]: Analyzing trace with hash -698065150, now seen corresponding path program 1 times [2020-10-12 16:38:45,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:38:45,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850661058] [2020-10-12 16:38:45,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:38:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:45,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:45,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:45,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:45,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:46,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:46,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:46,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:47,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:47,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:50,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:50,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-12 16:38:50,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:38:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-12 16:38:50,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:38:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 16:38:50,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:38:50,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:51,477 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:38:51,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:38:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:51,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:51,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:38:51,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:51,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 16:38:51,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:51,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:51,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:51,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:51,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:51,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:38:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:51,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:51,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:38:51,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:51,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:38:51,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:51,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:51,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:51,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:51,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:51,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:38:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:51,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:51,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:38:51,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:51,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:38:51,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:51,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:51,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:51,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:51,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:51,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:38:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:51,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:51,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:38:51,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:51,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:38:51,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:51,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:51,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:38:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:51,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:51,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:38:51,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:51,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:38:51,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:51,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:51,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:38:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:51,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:51,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:38:51,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:51,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:38:51,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:51,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:51,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:51,744 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 16:38:51,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:38:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:51,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:56,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:56,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:56,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 16:38:56,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:38:56,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 16:38:56,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:38:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-12 16:38:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:38:56,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:56,897 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:38:56,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:38:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:56,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:56,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:56,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:56,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:56,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:56,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:57,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:38:57,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:38:57,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 650 [2020-10-12 16:38:57,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:57,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:38:57,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:38:57,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:38:57,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:57,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:57,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:57,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:38:57,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:57,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:38:57,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:57,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:38:57,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:57,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:38:57,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:57,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:38:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:57,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:57,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:38:57,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:38:57,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-12 16:38:57,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:38:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:38:57,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:38:57,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:57,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:38:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:57,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:57,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:38:57,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:57,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 16:38:57,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:38:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:38:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:57,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:57,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:57,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:38:57,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:57,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:38:57,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:38:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:38:57,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:57,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:38:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:57,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:57,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:58,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:58,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:58,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:00,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 16:39:00,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:39:00,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2350 [2020-10-12 16:39:00,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:00,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:00,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:39:00,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:00,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:00,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:00,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:00,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:00,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:00,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:39:00,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:00,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:00,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:00,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:39:00,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:00,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:39:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:00,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:00,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 16:39:00,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:39:00,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-12 16:39:00,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 16:39:00,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:00,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 16:39:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:00,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:00,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:39:00,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:39:00,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 16:39:00,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:39:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:00,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:00,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:00,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:39:00,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:00,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:39:00,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:39:00,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:00,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:39:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:00,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:00,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:01,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 16:39:01,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:01,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-12 16:39:01,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:39:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 16:39:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:39:01,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:01,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:01,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:01,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 16:39:01,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:39:01,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-12 16:39:01,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:01,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:39:01,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 16:39:01,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:39:01,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:01,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:01,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:01,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:39:01,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:01,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:01,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:01,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:01,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:01,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:01,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:01,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:01,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:39:01,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:01,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:01,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:01,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 16:39:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:01,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:01,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:39:01,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:01,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:39:01,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:39:01,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:01,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:39:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:01,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:01,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:39:01,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:01,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:39:01,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:39:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 16:39:01,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:39:01,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:01,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:39:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:01,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:01,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:39:01,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:01,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:39:01,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:01,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:01,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 16:39:01,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:01,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:01,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:01,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:01,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:01,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:01,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:39:01,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:01,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 16:39:01,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850661058] [2020-10-12 16:39:01,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:39:01,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 16:39:01,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148653191] [2020-10-12 16:39:01,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 16:39:01,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:39:01,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 16:39:01,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2020-10-12 16:39:02,000 INFO L87 Difference]: Start difference. First operand 1914 states and 3112 transitions. Second operand 28 states. [2020-10-12 16:39:03,961 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:39:05,226 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:05,987 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:39:06,793 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:39:07,692 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:39:08,471 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:39:09,301 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:10,082 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:39:10,989 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:39:11,799 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:12,703 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:39:13,566 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:39:14,659 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:15,569 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:39:16,426 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:39:17,168 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:18,018 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:18,999 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:39:19,781 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:23,370 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 16:39:24,557 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:25,615 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:25,814 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:39:26,670 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:39:26,847 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 16:39:30,271 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 124