/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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:30:28,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:30:28,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:30:28,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:30:28,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:30:28,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:30:28,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:30:28,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:30:28,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:30:28,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:30:28,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:30:28,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:30:28,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:30:28,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:30:28,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:30:28,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:30:28,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:30:28,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:30:28,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:30:28,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:30:28,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:30:28,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:30:28,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:30:28,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:30:28,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:30:28,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:30:28,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:30:28,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:30:28,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:30:28,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:30:28,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:30:28,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:30:28,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:30:28,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:30:28,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:30:28,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:30:28,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:30:28,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:30:28,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:30:28,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:30:28,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:30:28,254 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 11:30:28,299 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:30:28,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:30:28,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:30:28,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:30:28,304 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:30:28,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:30:28,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:30:28,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:30:28,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:30:28,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:30:28,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:30:28,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:30:28,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:30:28,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:30:28,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:30:28,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:30:28,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:30:28,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:30:28,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:30:28,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:30:28,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:30:28,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:30:28,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:30:28,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:30:28,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:30:28,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:30:28,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:30:28,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:30:28,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:30:28,314 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 11:30:28,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:30:28,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:30:28,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:30:28,655 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:30:28,655 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:30:28,656 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product25.cil.c [2020-10-13 11:30:28,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97a9c3ef8/b7983af8ac664c988be7c25eda89b3f2/FLAGbbfb9e60d [2020-10-13 11:30:29,371 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:30:29,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product25.cil.c [2020-10-13 11:30:29,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97a9c3ef8/b7983af8ac664c988be7c25eda89b3f2/FLAGbbfb9e60d [2020-10-13 11:30:29,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97a9c3ef8/b7983af8ac664c988be7c25eda89b3f2 [2020-10-13 11:30:29,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:30:29,561 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:30:29,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:30:29,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:30:29,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:30:29,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:30:29" (1/1) ... [2020-10-13 11:30:29,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6266eb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:29, skipping insertion in model container [2020-10-13 11:30:29,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:30:29" (1/1) ... [2020-10-13 11:30:29,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:30:29,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:30:30,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:30:30,377 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:30:30,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:30:30,532 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:30:30,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:30 WrapperNode [2020-10-13 11:30:30,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:30:30,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:30:30,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:30:30,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:30:30,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:30" (1/1) ... [2020-10-13 11:30:30,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:30" (1/1) ... [2020-10-13 11:30:30,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:30" (1/1) ... [2020-10-13 11:30:30,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:30" (1/1) ... [2020-10-13 11:30:30,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:30" (1/1) ... [2020-10-13 11:30:30,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:30" (1/1) ... [2020-10-13 11:30:30,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:30" (1/1) ... [2020-10-13 11:30:30,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:30:30,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:30:30,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:30:30,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:30:30,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:30" (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 11:30:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:30:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:30:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:30:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:30:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:30:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:30:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:30:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:30:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:30:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:30:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:30:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:30:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:30:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:30:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:30:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:30:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:30:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:30:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:30:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:30:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:30:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:30:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:30:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:30:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:30:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:30:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:30:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:30:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:30:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:30:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:30:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:30:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:30:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:30:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:30:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:30:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:30:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:30:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:30:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:30:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:30:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:30:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:30:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:30:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:30:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:30:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:30:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:30:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:30:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:30:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:30:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:30:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:30:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:30:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:30:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:30:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:30:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:30:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:30:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:30:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:30:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:30:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:30:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:30:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:30:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:30:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:30:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:30:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:30:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:30:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:30:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:30:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:30:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:30:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:30:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:30:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:30:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:30:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:30:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:30:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:30:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:30:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:30:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:30:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:30:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:30:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:30:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:30:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:30:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:30:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:30:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:30:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:30:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:30:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:30:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:30:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:30:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:30:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:30:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:30:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:30:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:30:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:30:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:30:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:30:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:30:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:30:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:30:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:30:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:30:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:30:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:30:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:30:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:30:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:30:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:30:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:30:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:30:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:30:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:30:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:30:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:30:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:30:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:30:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:30:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:30:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:30:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:30:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:30:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:30:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:30:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:30:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:30:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:30:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:30:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:30:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:30:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:30:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:30:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:30:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:30:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:30:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:30:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:30:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:30:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:30:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:30:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:30:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:30:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:30:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:30:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:30:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:30:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:30:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:30:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:30:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:30:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:30:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:30:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:30:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:30:32,967 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:30:32,967 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:30:32,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:30:32 BoogieIcfgContainer [2020-10-13 11:30:32,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:30:32,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:30:32,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:30:32,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:30:32,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:30:29" (1/3) ... [2020-10-13 11:30:32,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5648d5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:30:32, skipping insertion in model container [2020-10-13 11:30:32,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:30:30" (2/3) ... [2020-10-13 11:30:32,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5648d5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:30:32, skipping insertion in model container [2020-10-13 11:30:32,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:30:32" (3/3) ... [2020-10-13 11:30:32,985 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product25.cil.c [2020-10-13 11:30:32,995 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:30:33,004 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:30:33,018 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:30:33,045 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:30:33,046 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:30:33,046 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:30:33,046 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:30:33,046 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:30:33,046 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:30:33,046 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:30:33,047 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:30:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states. [2020-10-13 11:30:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-13 11:30:33,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:30:33,120 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 11:30:33,121 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:30:33,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:30:33,129 INFO L82 PathProgramCache]: Analyzing trace with hash -517241816, now seen corresponding path program 1 times [2020-10-13 11:30:33,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:30:33,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109417244] [2020-10-13 11:30:33,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:30:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:33,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:34,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:34,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:34,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:35,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:37,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:38,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 11:30:38,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:30:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-13 11:30:38,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:30:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:30:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:30:40,167 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:30:40,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:40,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:40,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:40,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:40,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 11:30:40,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:40,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:40,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:30:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:40,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:40,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:40,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:40,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:40,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:40,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:40,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:40,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:40,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:40,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:40,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:30:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:40,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:40,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:40,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:40,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:40,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:40,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:40,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:40,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:30:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:40,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:40,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:40,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:40,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:40,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:40,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:40,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:30:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:40,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:40,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:40,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:40,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:40,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:40,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:40,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:40,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:40,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:40,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:40,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:40,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:40,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:40,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:40,503 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:30:40,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:30:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:40,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:40,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:40,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:40,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:45,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:45,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 11:30:45,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:30:45,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:30:45,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:45,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:45,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:30:45,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:30:45,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:45,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:45,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:45,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:45,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:45,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:46,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:30:46,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:30:46,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-13 11:30:46,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:30:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:30:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:46,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:46,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:46,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:46,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:46,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:30:46,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:30:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:30:46,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:30:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:46,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:46,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:30:46,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:30:46,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:30:46,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:30:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:46,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:30:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:46,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:46,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:46,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:46,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:46,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:46,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:30:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:46,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:51,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:51,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 11:30:51,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:30:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4889 [2020-10-13 11:30:51,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-13 11:30:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:51,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:51,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:51,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:51,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:51,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:51,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:51,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:51,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:53,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:53,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:30:53,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:30:53,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2598 [2020-10-13 11:30:53,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:53,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:53,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:53,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:53,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:53,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:30:53,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:53,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:53,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:53,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:53,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:53,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:53,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:53,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:53,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:53,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:53,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:53,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:53,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:53,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:53,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:30:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:53,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:53,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:53,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:30:53,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:53,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:53,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:53,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:30:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:53,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:53,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:53,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:30:53,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:53,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:53,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:53,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:53,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:53,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:30:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:53,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:53,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:53,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:30:53,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:53,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:53,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:53,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:53,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:53,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:53,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:53,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:53,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:53,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:53,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:53,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:53,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:53,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:53,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:54,128 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 11:30:54,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109417244] [2020-10-13 11:30:54,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:30:54,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:30:54,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002432732] [2020-10-13 11:30:54,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:30:54,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:30:54,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:30:54,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:30:54,158 INFO L87 Difference]: Start difference. First operand 758 states. Second operand 10 states. [2020-10-13 11:30:55,031 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:30:55,850 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:30:56,584 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:30:57,941 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:31:14,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:31:14,608 INFO L93 Difference]: Finished difference Result 1735 states and 3070 transitions. [2020-10-13 11:31:14,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:31:14,610 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2020-10-13 11:31:14,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:31:14,648 INFO L225 Difference]: With dead ends: 1735 [2020-10-13 11:31:14,649 INFO L226 Difference]: Without dead ends: 1126 [2020-10-13 11:31:14,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:31:14,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-13 11:31:14,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 598. [2020-10-13 11:31:14,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 11:31:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 960 transitions. [2020-10-13 11:31:14,983 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 960 transitions. Word has length 107 [2020-10-13 11:31:14,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:31:14,984 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 960 transitions. [2020-10-13 11:31:14,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:31:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 960 transitions. [2020-10-13 11:31:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-13 11:31:14,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:31:14,991 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 11:31:14,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:31:14,992 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:31:14,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:31:14,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1593007226, now seen corresponding path program 1 times [2020-10-13 11:31:14,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:31:14,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96289849] [2020-10-13 11:31:14,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:31:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:15,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:15,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:15,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:16,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:20,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:20,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-13 11:31:20,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:31:20,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:31:20,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:20,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:31:20,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-13 11:31:20,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:31:20,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:20,835 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:31:20,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:20,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:20,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:20,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:20,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:20,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 11:31:20,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:20,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:20,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:31:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:20,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:20,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:20,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:20,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:20,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:20,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:20,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:20,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:20,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:20,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:20,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:31:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:20,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:20,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:20,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:20,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:20,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:20,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:20,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:20,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:20,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:31:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:20,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:20,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:20,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:20,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:20,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:20,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:20,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:20,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:20,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:31:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:20,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:20,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:20,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:20,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:20,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:20,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:20,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:20,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:31:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:20,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:20,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:20,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:20,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:20,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:20,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:20,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:20,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:20,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:20,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:21,121 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:31:21,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:21,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:21,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:21,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:21,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:21,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:22,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:24,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:24,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:24,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:26,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 11:31:26,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:31:26,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:31:26,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:31:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:31:26,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:26,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:26,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:26,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:31:26,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:26,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-13 11:31:26,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:26,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:26,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:31:26,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:31:26,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:26,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:26,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:26,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:31:26,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:26,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:26,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:26,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:26,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:31:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:31:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:26,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:31:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:26,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:26,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:31:26,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:31:26,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:31:26,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:26,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:31:26,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:26,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:26,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:31:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:26,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:26,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:26,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:26,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:26,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:26,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:26,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:26,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:31:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:26,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:29,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:29,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 11:31:29,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:31:29,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2834 [2020-10-13 11:31:29,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:29,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:29,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 11:31:29,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:29,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:29,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:29,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:29,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:29,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:29,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:29,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:29,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:31,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:31,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:31:31,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:31:31,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1728 [2020-10-13 11:31:31,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:31,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:31,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:31,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:31,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:31:31,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:31,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:31,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:31,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:31,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:31,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:31,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:31,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:31,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:31,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:31,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:31,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:31,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:31,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:31,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:31:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:31,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:31,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:31,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:31:31,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:31,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:31,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:31,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:31,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:31,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:31,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:31:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:31,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:31,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:31,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:31:31,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:31,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:31,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:31,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:31,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:31,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:31,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:31,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:31:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:31,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:31,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:31,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:31:31,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:31,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:31,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:31,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:31,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:31,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:31,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:31,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:31,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:31,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:31,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:31,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:31,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:31,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:31,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:31,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:31,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:31:31,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96289849] [2020-10-13 11:31:31,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:31:31,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:31:31,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465430284] [2020-10-13 11:31:31,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:31:31,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:31:31,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:31:31,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:31:31,524 INFO L87 Difference]: Start difference. First operand 598 states and 960 transitions. Second operand 10 states. [2020-10-13 11:31:33,235 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:31:33,975 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:31:35,152 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:31:36,050 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:31:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:31:51,570 INFO L93 Difference]: Finished difference Result 1687 states and 2969 transitions. [2020-10-13 11:31:51,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:31:51,571 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-10-13 11:31:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:31:51,584 INFO L225 Difference]: With dead ends: 1687 [2020-10-13 11:31:51,584 INFO L226 Difference]: Without dead ends: 1126 [2020-10-13 11:31:51,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:31:51,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-13 11:31:51,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 598. [2020-10-13 11:31:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 11:31:51,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 959 transitions. [2020-10-13 11:31:51,779 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 959 transitions. Word has length 110 [2020-10-13 11:31:51,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:31:51,779 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 959 transitions. [2020-10-13 11:31:51,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:31:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 959 transitions. [2020-10-13 11:31:51,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-13 11:31:51,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:31:51,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:31:51,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:31:51,784 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:31:51,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:31:51,785 INFO L82 PathProgramCache]: Analyzing trace with hash 2107821335, now seen corresponding path program 1 times [2020-10-13 11:31:51,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:31:51,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046727918] [2020-10-13 11:31:51,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:31:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:51,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:51,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:52,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:52,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:53,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:53,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:56,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:56,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-13 11:31:56,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:31:56,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:31:56,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:56,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:56,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:31:56,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:31:56,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:57,578 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:31:57,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:57,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:57,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:57,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:57,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:57,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:31:57,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:57,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:57,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:31:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:57,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:57,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:57,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:57,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:57,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:57,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:57,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:57,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:31:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:57,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:57,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:57,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:57,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:57,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:57,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:57,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:57,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:57,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:57,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:57,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:31:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:57,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:57,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:57,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:57,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:57,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:57,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:57,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:57,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:57,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:57,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:57,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:31:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:57,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:57,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:57,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:57,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:57,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:57,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:57,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:57,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:31:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:57,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:57,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:57,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:57,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:57,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:57,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:57,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:57,838 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:31:57,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:57,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:57,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:57,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:57,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:58,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:58,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:58,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:59,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:02,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:02,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:32:02,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:32:02,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:32:02,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:02,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:32:02,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:32:02,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:32:02,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:02,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:02,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:02,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:02,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:03,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:32:03,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:32:03,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-13 11:32:03,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:03,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:03,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:03,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:03,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:32:03,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:03,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:03,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:03,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:03,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:32:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:03,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:03,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:32:03,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:03,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:32:03,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:03,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:03,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:32:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:03,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:03,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:03,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:03,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:03,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:03,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:03,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:03,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:03,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:03,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:32:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:03,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:03,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:05,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:05,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 11:32:05,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:32:05,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2697 [2020-10-13 11:32:05,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:32:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 11:32:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:32:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:05,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:06,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:07,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:07,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:32:07,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:32:07,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1641 [2020-10-13 11:32:07,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:07,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:32:07,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 11:32:07,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:32:07,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:07,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:07,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:07,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:07,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:32:07,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:07,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:07,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:07,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:07,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:07,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:07,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:07,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:07,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:07,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:07,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:07,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:07,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:07,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:07,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:32:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:07,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:07,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:07,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:32:07,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:07,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:32:07,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:07,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:07,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:07,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:32:07,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:07,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:32:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:07,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:07,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:32:07,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:07,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:07,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:32:07,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:07,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:32:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:07,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:07,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:07,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:32:07,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:07,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:32:07,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:07,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:32:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:07,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:07,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:07,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:07,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:07,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:07,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:07,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:07,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:07,885 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 11:32:07,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046727918] [2020-10-13 11:32:07,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:32:07,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:32:07,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015095145] [2020-10-13 11:32:07,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:32:07,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:32:07,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:32:07,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:32:07,888 INFO L87 Difference]: Start difference. First operand 598 states and 959 transitions. Second operand 11 states. [2020-10-13 11:32:10,181 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:32:11,207 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:32:12,151 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:32:12,316 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-13 11:32:13,131 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:32:13,275 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 11:32:19,641 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:32:30,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:32:30,605 INFO L93 Difference]: Finished difference Result 1642 states and 2928 transitions. [2020-10-13 11:32:30,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:32:30,606 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 111 [2020-10-13 11:32:30,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:32:30,618 INFO L225 Difference]: With dead ends: 1642 [2020-10-13 11:32:30,618 INFO L226 Difference]: Without dead ends: 1137 [2020-10-13 11:32:30,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2020-10-13 11:32:30,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2020-10-13 11:32:30,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 602. [2020-10-13 11:32:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-13 11:32:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 964 transitions. [2020-10-13 11:32:30,827 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 964 transitions. Word has length 111 [2020-10-13 11:32:30,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:32:30,829 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 964 transitions. [2020-10-13 11:32:30,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:32:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 964 transitions. [2020-10-13 11:32:30,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-13 11:32:30,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:32:30,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:32:30,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:32:30,844 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:32:30,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:32:30,844 INFO L82 PathProgramCache]: Analyzing trace with hash -176491089, now seen corresponding path program 1 times [2020-10-13 11:32:30,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:32:30,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582118002] [2020-10-13 11:32:30,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:32:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:30,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:31,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:32,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:32,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:32,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:33,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:35,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:35,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-13 11:32:35,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:32:35,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 11:32:35,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:32:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-13 11:32:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:32:35,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:36,990 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:32:36,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:37,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:37,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:37,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:37,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 11:32:37,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:37,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:32:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:37,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:37,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:37,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:37,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:37,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:37,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:37,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:37,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:37,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:37,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:32:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:37,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:37,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:37,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:37,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:37,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:37,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:37,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:32:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:37,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:37,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:37,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:37,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:37,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:37,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:37,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:37,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:32:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:37,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:37,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:37,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:37,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:37,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:37,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:32:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:37,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:37,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:37,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:37,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:37,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:37,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:37,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:37,420 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:32:37,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:32:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:37,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:38,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:39,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:39,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:42,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:42,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 11:32:42,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:32:42,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:32:42,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:32:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 11:32:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:32:42,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:42,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:42,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:42,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:42,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:42,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:42,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:43,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:32:43,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:32:43,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 661 [2020-10-13 11:32:43,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:43,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:43,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:43,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:43,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:32:43,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:43,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:43,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:43,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:43,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:43,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:43,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:43,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:32:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:43,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:43,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:32:43,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:43,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:32:43,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:43,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:43,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:32:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:43,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:43,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:43,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:43,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:43,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:43,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:32:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:43,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:43,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:48,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:48,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 11:32:48,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:32:48,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4936 [2020-10-13 11:32:48,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:32:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:32:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:32:48,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:48,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:48,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:48,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:48,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:48,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:48,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:48,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:48,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:50,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:50,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:32:50,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:32:50,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2724 [2020-10-13 11:32:50,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:32:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 11:32:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:32:50,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:32:51,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:51,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:51,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:51,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:51,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:32:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:32:51,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:51,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:32:51,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:32:51,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:32:51,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 11:32:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:32:51,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:51,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:32:51,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 11:32:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:32:51,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:51,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:32:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:51,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:51,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:51,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:51,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:51,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:51,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:51,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:51,116 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 11:32:51,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582118002] [2020-10-13 11:32:51,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:32:51,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:32:51,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518007957] [2020-10-13 11:32:51,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:32:51,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:32:51,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:32:51,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:32:51,118 INFO L87 Difference]: Start difference. First operand 602 states and 964 transitions. Second operand 9 states. [2020-10-13 11:32:52,459 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-13 11:32:52,743 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-13 11:32:53,665 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-13 11:32:54,928 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-13 11:32:55,277 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:32:59,330 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:33:26,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:33:26,531 INFO L93 Difference]: Finished difference Result 2526 states and 4613 transitions. [2020-10-13 11:33:26,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 11:33:26,532 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 115 [2020-10-13 11:33:26,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:33:26,556 INFO L225 Difference]: With dead ends: 2526 [2020-10-13 11:33:26,556 INFO L226 Difference]: Without dead ends: 2017 [2020-10-13 11:33:26,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2020-10-13 11:33:26,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2020-10-13 11:33:26,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1058. [2020-10-13 11:33:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-13 11:33:26,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1697 transitions. [2020-10-13 11:33:26,933 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1697 transitions. Word has length 115 [2020-10-13 11:33:26,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:33:26,933 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1697 transitions. [2020-10-13 11:33:26,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:33:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1697 transitions. [2020-10-13 11:33:26,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 11:33:26,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:33:26,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:33:26,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:33:26,938 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:33:26,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:33:26,938 INFO L82 PathProgramCache]: Analyzing trace with hash -597611723, now seen corresponding path program 1 times [2020-10-13 11:33:26,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:33:26,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740131174] [2020-10-13 11:33:26,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:33:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:26,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:31,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:31,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:31,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 11:33:31,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:33:31,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:33:31,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:31,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:33:31,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-13 11:33:31,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:33:31,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:32,715 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:33:32,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:32,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:32,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:32,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:32,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:32,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:33:32,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:32,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:32,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:32,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:32,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:32,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:32,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:32,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:32,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:32,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:32,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:32,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:32,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:32,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:33:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:32,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:32,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:32,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:32,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:32,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:32,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:32,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:32,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:32,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:33:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:32,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:32,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:32,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:32,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:32,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:32,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:32,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:32,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:32,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:32,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:33:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:32,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:32,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:32,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:32,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:32,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:32,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:32,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:32,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:32,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:32,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:32,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:33:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:32,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:32,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:32,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:32,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:32,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:32,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:32,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:32,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:32,963 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:33:32,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:33:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:32,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:32,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:33,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:33,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:33,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:33,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:33,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:37,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:37,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 11:33:37,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:33:37,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:33:37,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:33:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-13 11:33:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:33:37,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:38,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:38,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:38,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:33:38,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:33:38,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-13 11:33:38,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:38,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:38,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:38,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:38,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:38,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:38,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:38,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:38,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:38,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:33:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:38,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:38,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:33:38,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:38,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:33:38,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:38,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:38,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:33:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:38,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:38,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:38,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:38,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:38,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:38,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:38,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:33:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:38,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:38,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:43,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 11:33:43,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:33:43,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:33:43,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:43,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:33:43,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 11:33:43,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:33:43,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:43,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:43,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:43,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:48,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:48,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 11:33:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:33:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:33:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:33:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 11:33:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:33:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:48,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:48,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:48,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:48,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:33:48,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:48,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:48,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:48,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:48,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:48,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:48,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:48,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:48,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:48,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:48,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:33:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:48,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:48,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:48,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 11:33:48,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:48,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:33:48,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:33:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 11:33:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:33:48,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:48,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:33:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:48,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:48,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:48,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:48,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:48,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:48,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:48,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:48,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:48,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:48,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:48,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 11:33:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:48,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:48,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:48,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:48,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:48,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:48,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:33:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:48,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:48,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:33:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:48,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:48,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:48,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:33:48,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:48,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:48,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:48,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:48,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:33:48,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:48,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:48,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:48,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:48,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:48,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:48,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:48,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:48,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:48,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:48,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:48,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:48,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:48,548 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 11:33:48,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740131174] [2020-10-13 11:33:48,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:33:48,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:33:48,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091814642] [2020-10-13 11:33:48,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:33:48,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:33:48,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:33:48,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:33:48,551 INFO L87 Difference]: Start difference. First operand 1058 states and 1697 transitions. Second operand 9 states. [2020-10-13 11:33:49,477 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:33:49,752 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-13 11:33:50,670 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-13 11:33:51,876 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-13 11:33:52,297 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:33:56,501 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 127