/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:27:54,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:27:54,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:27:54,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:27:54,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:27:54,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:27:54,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:27:54,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:27:54,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:27:54,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:27:54,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:27:54,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:27:54,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:27:54,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:27:54,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:27:54,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:27:54,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:27:54,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:27:54,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:27:54,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:27:54,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:27:54,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:27:54,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:27:54,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:27:54,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:27:54,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:27:54,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:27:54,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:27:54,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:27:54,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:27:54,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:27:54,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:27:54,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:27:54,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:27:54,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:27:54,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:27:54,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:27:54,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:27:54,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:27:54,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:27:54,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:27:54,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:27:54,545 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:27:54,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:27:54,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:27:54,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:27:54,547 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:27:54,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:27:54,548 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:27:54,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:27:54,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:27:54,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:27:54,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:27:54,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:27:54,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:27:54,551 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:27:54,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:27:54,551 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:27:54,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:27:54,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:27:54,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:27:54,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:27:54,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:27:54,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:27:54,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:27:54,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:27:54,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:27:54,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:27:54,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:27:54,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:27:54,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:27:54,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:27:54,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:27:54,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:27:54,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:27:54,860 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:27:54,860 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:27:54,861 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product09.cil.c [2020-10-13 11:27:54,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b3184ae1/88e98d108a1e4f54b21df041cb37a201/FLAG3a1bce27a [2020-10-13 11:27:55,597 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:27:55,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product09.cil.c [2020-10-13 11:27:55,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b3184ae1/88e98d108a1e4f54b21df041cb37a201/FLAG3a1bce27a [2020-10-13 11:27:55,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b3184ae1/88e98d108a1e4f54b21df041cb37a201 [2020-10-13 11:27:55,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:27:55,798 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:27:55,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:27:55,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:27:55,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:27:55,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:27:55" (1/1) ... [2020-10-13 11:27:55,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d0cd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:55, skipping insertion in model container [2020-10-13 11:27:55,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:27:55" (1/1) ... [2020-10-13 11:27:55,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:27:55,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:27:56,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:27:56,699 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:27:56,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:27:56,930 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:27:56,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:56 WrapperNode [2020-10-13 11:27:56,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:27:56,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:27:56,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:27:56,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:27:56,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:56" (1/1) ... [2020-10-13 11:27:56,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:56" (1/1) ... [2020-10-13 11:27:57,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:56" (1/1) ... [2020-10-13 11:27:57,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:56" (1/1) ... [2020-10-13 11:27:57,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:56" (1/1) ... [2020-10-13 11:27:57,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:56" (1/1) ... [2020-10-13 11:27:57,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:56" (1/1) ... [2020-10-13 11:27:57,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:27:57,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:27:57,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:27:57,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:27:57,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:27:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:27:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:27:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:27:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:27:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:27:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:27:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:27:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:27:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:27:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:27:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:27:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:27:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:27:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:27:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:27:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:27:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:27:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:27:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:27:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:27:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:27:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:27:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:27:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:27:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:27:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:27:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:27:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:27:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:27:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:27:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:27:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:27:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:27:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:27:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:27:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:27:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:27:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:27:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:27:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:27:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:27:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:27:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:27:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:27:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:27:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:27:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:27:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:27:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:27:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:27:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:27:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:27:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:27:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:27:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:27:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:27:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:27:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:27:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:27:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:27:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:27:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:27:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:27:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:27:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:27:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:27:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:27:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:27:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:27:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:27:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:27:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:27:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:27:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:27:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:27:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:27:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:27:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:27:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:27:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:27:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:27:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:27:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:27:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:27:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:27:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:27:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:27:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:27:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:27:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:27:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:27:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:27:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:27:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:27:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:27:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:27:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:27:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:27:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:27:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:27:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:27:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:27:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:27:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:27:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:27:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:27:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:27:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:27:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:27:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:27:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:27:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:27:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:27:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:27:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:27:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:27:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:27:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:27:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:27:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:27:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:27:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:27:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:27:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:27:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:27:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:27:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:27:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:27:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:27:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:27:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:27:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:27:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:27:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:27:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:27:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:27:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:27:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:27:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:27:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:27:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:27:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:27:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:27:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:27:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:27:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:27:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:27:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:27:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:27:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:27:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:27:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:27:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:27:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:27:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:27:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:27:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:27:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:27:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:27:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:27:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:27:59,479 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:27:59,479 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:27:59,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:27:59 BoogieIcfgContainer [2020-10-13 11:27:59,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:27:59,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:27:59,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:27:59,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:27:59,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:27:55" (1/3) ... [2020-10-13 11:27:59,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330cb520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:27:59, skipping insertion in model container [2020-10-13 11:27:59,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:56" (2/3) ... [2020-10-13 11:27:59,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330cb520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:27:59, skipping insertion in model container [2020-10-13 11:27:59,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:27:59" (3/3) ... [2020-10-13 11:27:59,500 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product09.cil.c [2020-10-13 11:27:59,513 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:27:59,523 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:27:59,540 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:27:59,575 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:27:59,575 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:27:59,575 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:27:59,575 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:27:59,575 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:27:59,575 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:27:59,576 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:27:59,576 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:27:59,615 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states. [2020-10-13 11:27:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-13 11:27:59,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:27:59,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:27:59,643 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:27:59,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:27:59,650 INFO L82 PathProgramCache]: Analyzing trace with hash -943810912, now seen corresponding path program 1 times [2020-10-13 11:27:59,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:27:59,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247081325] [2020-10-13 11:27:59,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:00,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:00,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:00,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:00,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:01,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:03,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:05,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:05,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 11:28:05,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:05,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 11:28:05,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:05,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:05,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:28:05,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:28:05,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:28:06,585 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:28:06,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:06,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:06,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:06,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:06,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 11:28:06,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:06,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:06,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:06,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:06,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:06,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:06,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:06,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:06,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:06,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:06,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:06,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:06,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:06,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:06,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:06,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:06,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:06,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:06,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:06,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:06,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:06,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:06,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:06,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:06,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:06,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:06,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:06,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:06,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:06,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:06,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:06,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:06,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:06,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:06,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:06,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:06,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:06,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:06,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:06,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:28:06,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:06,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:06,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:06,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:06,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:06,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:06,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:06,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:28:06,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:06,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 11:28:07,005 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:28:07,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:07,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:07,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:12,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 11:28:12,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:28:12,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:28:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:28:12,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:12,184 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:28:12,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:12,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:12,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:28:12,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:28:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-13 11:28:12,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:28:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:28:12,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:12,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:12,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:12,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:12,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:12,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:28:12,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:28:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:28:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:12,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:28:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:12,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:12,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:28:12,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:12,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 11:28:12,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:28:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:12,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:12,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:28:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:12,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:12,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:12,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:12,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:28:12,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:12,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:12,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:12,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:28:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:12,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:12,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:13,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:15,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:15,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:17,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:17,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 11:28:17,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:28:17,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4595 [2020-10-13 11:28:17,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:17,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-13 11:28:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:17,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:17,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:17,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:17,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:17,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:17,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:17,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:17,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:28:19,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:19,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2355 [2020-10-13 11:28:19,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:19,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:28:19,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:19,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:28:19,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:19,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:19,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:28:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:28:19,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:19,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:28:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:28:19,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:19,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:28:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:28:19,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:19,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:19,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:19,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:19,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:19,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:19,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:19,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:19,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:28:20,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247081325] [2020-10-13 11:28:20,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:28:20,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:28:20,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851156352] [2020-10-13 11:28:20,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:28:20,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:28:20,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:28:20,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:28:20,073 INFO L87 Difference]: Start difference. First operand 737 states. Second operand 10 states. [2020-10-13 11:28:21,567 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:28:22,292 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-13 11:28:23,825 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:28:46,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:28:46,258 INFO L93 Difference]: Finished difference Result 1694 states and 3061 transitions. [2020-10-13 11:28:46,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:28:46,260 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2020-10-13 11:28:46,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:28:46,300 INFO L225 Difference]: With dead ends: 1694 [2020-10-13 11:28:46,301 INFO L226 Difference]: Without dead ends: 1106 [2020-10-13 11:28:46,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:28:46,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2020-10-13 11:28:46,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 577. [2020-10-13 11:28:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-10-13 11:28:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 932 transitions. [2020-10-13 11:28:46,614 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 932 transitions. Word has length 107 [2020-10-13 11:28:46,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:28:46,614 INFO L479 AbstractCegarLoop]: Abstraction has 577 states and 932 transitions. [2020-10-13 11:28:46,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:28:46,615 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 932 transitions. [2020-10-13 11:28:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-13 11:28:46,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:28:46,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:28:46,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:28:46,623 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:28:46,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:28:46,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1793356700, now seen corresponding path program 1 times [2020-10-13 11:28:46,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:28:46,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724402771] [2020-10-13 11:28:46,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:46,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:46,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:46,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:46,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:47,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:51,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:51,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-13 11:28:51,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:51,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:28:51,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:51,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:28:51,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-13 11:28:51,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:28:51,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,433 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:28:52,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:52,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:28:52,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:52,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:52,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:52,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:52,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:52,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:52,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:52,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:52,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:52,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:52,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:52,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:52,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:52,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:52,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:52,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:52,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:52,694 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:28:52,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:52,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:52,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:54,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:54,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:57,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:57,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 11:28:57,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:28:57,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:28:57,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:57,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:28:57,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:28:57,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:28:57,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:57,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:57,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:57,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:57,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:57,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:57,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:28:58,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:58,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-13 11:28:58,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:28:58,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:58,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:58,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:28:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:28:58,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:58,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:28:58,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:28:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:58,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:58,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:58,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:58,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:58,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:58,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:58,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:58,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:01,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 11:29:01,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:01,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3080 [2020-10-13 11:29:01,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:01,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:29:01,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 11:29:01,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:01,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:01,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:01,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:03,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:29:03,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:03,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1789 [2020-10-13 11:29:03,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:03,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:29:03,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 11:29:03,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:03,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:03,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:03,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:03,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:29:03,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:03,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:03,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:03,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:03,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:03,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:03,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:03,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:03,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:03,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:03,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:03,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:03,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:03,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:29:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:03,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:03,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:29:03,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:03,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:29:03,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:03,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:03,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:03,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:29:03,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:03,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:29:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:03,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:03,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:29:03,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:03,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:03,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:29:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:03,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:03,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:29:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:03,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:03,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:29:03,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:03,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:03,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:29:03,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:03,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:03,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:03,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:03,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:03,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:03,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:03,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:03,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:03,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:29:03,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724402771] [2020-10-13 11:29:03,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:29:03,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:29:03,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821056569] [2020-10-13 11:29:03,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:29:03,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:29:03,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:29:03,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:29:03,370 INFO L87 Difference]: Start difference. First operand 577 states and 932 transitions. Second operand 11 states. [2020-10-13 11:29:05,358 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:29:06,313 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:29:06,649 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:29:07,418 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:29:07,652 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:29:08,385 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:29:09,504 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:29:14,698 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-13 11:29:25,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:29:25,575 INFO L93 Difference]: Finished difference Result 1601 states and 2920 transitions. [2020-10-13 11:29:25,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:29:25,576 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 110 [2020-10-13 11:29:25,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:29:25,589 INFO L225 Difference]: With dead ends: 1601 [2020-10-13 11:29:25,589 INFO L226 Difference]: Without dead ends: 1117 [2020-10-13 11:29:25,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2020-10-13 11:29:25,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-13 11:29:25,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 581. [2020-10-13 11:29:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-10-13 11:29:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 937 transitions. [2020-10-13 11:29:25,795 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 937 transitions. Word has length 110 [2020-10-13 11:29:25,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:29:25,796 INFO L479 AbstractCegarLoop]: Abstraction has 581 states and 937 transitions. [2020-10-13 11:29:25,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:29:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 937 transitions. [2020-10-13 11:29:25,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-13 11:29:25,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:29:25,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:29:25,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:29:25,802 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:29:25,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:29:25,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1480548924, now seen corresponding path program 1 times [2020-10-13 11:29:25,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:29:25,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122669124] [2020-10-13 11:29:25,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:29:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:25,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:25,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:25,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:26,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:26,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:27,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:30,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:30,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 11:29:30,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:29:30,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:29:30,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-13 11:29:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:29:30,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:31,542 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:29:31,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:31,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:31,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:31,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:31,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:29:31,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:31,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:31,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:31,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:31,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:31,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:29:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:31,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:31,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:31,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:31,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:31,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:31,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:31,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:29:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:31,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:31,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:31,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:31,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:31,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:31,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:31,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:31,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:31,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:31,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:29:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:31,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:31,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:31,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:31,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:31,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:31,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:29:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:31,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:31,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:31,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:31,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:31,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:31,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:31,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:31,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:31,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:31,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:31,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:31,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:31,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:31,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:31,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:31,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:31,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:31,810 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:29:31,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:29:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:31,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:31,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:32,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:32,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:32,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:36,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:36,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:36,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 11:29:36,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 11:29:36,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 11:29:36,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:29:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:29:36,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:36,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:37,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:29:37,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:37,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-13 11:29:37,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:37,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:37,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:37,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:29:37,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:37,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:37,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:37,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:29:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:37,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:29:37,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:29:37,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:37,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:29:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:37,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:37,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:37,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:37,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:37,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:37,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:37,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:37,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:38,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 11:29:42,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:29:42,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:29:42,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:29:42,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:29:42,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:45,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:29:45,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:29:45,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3105 [2020-10-13 11:29:45,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:45,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:45,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 11:29:45,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:29:45,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:45,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:45,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:45,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:29:45,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:45,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:45,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:45,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:45,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:45,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:45,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:45,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:45,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:45,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:45,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:45,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:45,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:29:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:45,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:45,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:29:45,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:45,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:45,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:45,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:29:45,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:29:45,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:45,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 11:29:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:45,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:45,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:29:45,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:45,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:45,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:29:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:45,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:45,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 11:29:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:45,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:45,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:29:45,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:45,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:45,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:29:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:45,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:45,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:45,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:45,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:45,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:45,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:45,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:45,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:29:45,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122669124] [2020-10-13 11:29:45,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:29:45,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:29:45,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278286414] [2020-10-13 11:29:45,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:29:45,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:29:45,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:29:45,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:29:45,796 INFO L87 Difference]: Start difference. First operand 581 states and 937 transitions. Second operand 9 states. [2020-10-13 11:29:46,770 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-13 11:29:47,950 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-13 11:29:49,170 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-13 11:29:49,560 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:29:53,931 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:30:31,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:30:31,754 INFO L93 Difference]: Finished difference Result 2465 states and 4624 transitions. [2020-10-13 11:30:31,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 11:30:31,755 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2020-10-13 11:30:31,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:30:31,776 INFO L225 Difference]: With dead ends: 2465 [2020-10-13 11:30:31,776 INFO L226 Difference]: Without dead ends: 1977 [2020-10-13 11:30:31,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2020-10-13 11:30:31,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2020-10-13 11:30:32,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1016. [2020-10-13 11:30:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2020-10-13 11:30:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1642 transitions. [2020-10-13 11:30:32,097 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1642 transitions. Word has length 114 [2020-10-13 11:30:32,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:30:32,097 INFO L479 AbstractCegarLoop]: Abstraction has 1016 states and 1642 transitions. [2020-10-13 11:30:32,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:30:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1642 transitions. [2020-10-13 11:30:32,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-13 11:30:32,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:30:32,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:30:32,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:30:32,103 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:30:32,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:30:32,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1811821929, now seen corresponding path program 1 times [2020-10-13 11:30:32,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:30:32,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107664871] [2020-10-13 11:30:32,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:30:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:32,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:32,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:32,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:32,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:32,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:33,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:33,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:35,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:35,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:37,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:37,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 11:30:37,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:30:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:30:37,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-13 11:30:37,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:37,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:38,259 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:30:38,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:38,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:38,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:38,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 11:30:38,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:38,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:38,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:30:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:38,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:38,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:38,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:38,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:38,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:38,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:38,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:30:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:38,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:38,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:38,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:38,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:38,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:38,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:38,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:38,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:38,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:30:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:38,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:38,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:38,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:38,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:38,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:38,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:38,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:30:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:38,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:38,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:38,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:38,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:38,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:38,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:38,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:38,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:38,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:38,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:38,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:38,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:38,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:38,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:38,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:38,604 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:30:38,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:30:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:38,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:39,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:39,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:43,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:43,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 11:30:43,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:30:43,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:30:43,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:43,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:43,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-13 11:30:43,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:43,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:43,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:43,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:43,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:43,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:43,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:43,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:44,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:30:44,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:30:44,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 684 [2020-10-13 11:30:44,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:44,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:44,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:44,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:44,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:30:44,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:30:44,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:30:44,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:44,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:30:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:44,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:44,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:30:44,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:30:44,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:30:44,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:44,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:44,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:44,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:44,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:30:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:44,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:44,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:44,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:44,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:44,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:44,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:44,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:44,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:44,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:44,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:44,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:49,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 11:30:49,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:30:49,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:30:49,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 11:30:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:49,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 11:30:54,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:30:54,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:30:54,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 11:30:54,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:54,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:30:54,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:54,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:54,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:54,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:54,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:30:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 11:30:54,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:30:54,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 11:30:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:54,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:54,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:30:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:54,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:54,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:54,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 11:30:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:30:54,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:54,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:30:54,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:54,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:30:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:30:54,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:30:54,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:30:54,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:54,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:54,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:54,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:30:54,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107664871] [2020-10-13 11:30:54,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:30:54,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:30:54,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878929981] [2020-10-13 11:30:54,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:30:54,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:30:54,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:30:54,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:30:54,793 INFO L87 Difference]: Start difference. First operand 1016 states and 1642 transitions. Second operand 9 states. [2020-10-13 11:30:55,859 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-13 11:30:57,140 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-13 11:30:58,411 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-13 11:30:58,896 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:31:00,059 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-13 11:31:03,874 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127