/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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:28:36,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:28:36,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:28:36,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:28:36,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:28:36,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:28:36,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:28:36,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:28:36,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:28:36,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:28:36,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:28:36,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:28:36,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:28:36,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:28:36,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:28:36,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:28:36,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:28:36,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:28:36,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:28:36,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:28:36,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:28:36,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:28:36,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:28:36,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:28:36,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:28:36,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:28:36,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:28:36,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:28:36,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:28:36,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:28:36,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:28:36,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:28:36,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:28:36,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:28:36,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:28:36,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:28:36,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:28:36,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:28:36,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:28:36,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:28:36,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:28:36,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:28:36,367 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:28:36,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:28:36,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:28:36,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:28:36,370 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:28:36,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:28:36,370 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:28:36,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:28:36,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:28:36,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:28:36,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:28:36,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:28:36,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:28:36,372 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:28:36,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:28:36,373 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:28:36,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:28:36,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:28:36,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:28:36,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:28:36,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:28:36,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:28:36,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:28:36,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:28:36,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:28:36,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:28:36,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:28:36,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:28:36,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:28:36,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:28:36,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:28:36,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:28:36,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:28:36,668 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:28:36,668 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:28:36,669 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2020-10-13 11:28:36,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1990598c/84789229fbae4cabb549105e226742b4/FLAG000288877 [2020-10-13 11:28:37,377 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:28:37,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2020-10-13 11:28:37,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1990598c/84789229fbae4cabb549105e226742b4/FLAG000288877 [2020-10-13 11:28:37,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1990598c/84789229fbae4cabb549105e226742b4 [2020-10-13 11:28:37,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:28:37,584 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:28:37,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:28:37,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:28:37,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:28:37,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:28:37" (1/1) ... [2020-10-13 11:28:37,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f77297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:37, skipping insertion in model container [2020-10-13 11:28:37,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:28:37" (1/1) ... [2020-10-13 11:28:37,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:28:37,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:28:38,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:28:38,359 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:28:38,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:28:38,587 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:28:38,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:38 WrapperNode [2020-10-13 11:28:38,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:28:38,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:28:38,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:28:38,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:28:38,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:38" (1/1) ... [2020-10-13 11:28:38,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:38" (1/1) ... [2020-10-13 11:28:38,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:38" (1/1) ... [2020-10-13 11:28:38,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:38" (1/1) ... [2020-10-13 11:28:38,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:38" (1/1) ... [2020-10-13 11:28:38,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:38" (1/1) ... [2020-10-13 11:28:38,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:38" (1/1) ... [2020-10-13 11:28:38,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:28:38,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:28:38,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:28:38,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:28:38,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:28:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:28:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:28:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:28:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:28:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:28:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:28:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:28:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:28:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:28:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:28:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:28:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:28:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:28:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:28:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:28:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:28:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:28:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:28:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:28:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-13 11:28:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:28:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:28:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:28:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-13 11:28:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:28:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:28:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:28:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:28:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:28:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:28:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:28:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:28:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:28:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:28:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:28:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:28:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:28:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:28:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:28:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:28:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:28:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:28:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:28:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:28:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:28:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:28:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:28:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:28:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:28:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:28:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:28:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:28:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:28:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:28:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:28:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:28:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:28:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:28:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:28:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:28:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:28:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:28:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:28:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:28:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:28:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:28:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:28:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:28:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:28:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:28:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:28:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:28:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:28:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:28:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:28:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:28:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:28:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:28:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:28:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:28:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:28:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:28:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:28:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:28:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:28:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:28:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:28:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:28:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:28:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:28:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:28:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:28:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:28:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:28:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:28:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:28:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:28:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:28:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:28:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:28:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:28:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:28:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:28:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:28:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:28:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:28:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:28:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:28:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:28:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:28:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:28:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-13 11:28:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:28:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:28:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-13 11:28:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:28:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:28:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:28:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:28:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:28:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:28:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:28:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:28:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:28:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:28:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:28:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:28:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:28:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:28:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:28:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:28:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:28:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:28:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:28:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:28:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:28:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:28:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:28:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:28:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:28:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:28:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:28:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:28:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:28:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:28:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:28:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:28:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:28:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:28:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:28:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:28:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:28:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:28:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:28:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:28:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:28:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:28:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:28:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:28:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:28:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:28:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:28:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:28:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:28:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:28:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:28:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:28:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:28:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:28:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:28:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:28:41,010 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:28:41,011 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:28:41,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:28:41 BoogieIcfgContainer [2020-10-13 11:28:41,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:28:41,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:28:41,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:28:41,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:28:41,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:28:37" (1/3) ... [2020-10-13 11:28:41,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d0dc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:28:41, skipping insertion in model container [2020-10-13 11:28:41,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:38" (2/3) ... [2020-10-13 11:28:41,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d0dc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:28:41, skipping insertion in model container [2020-10-13 11:28:41,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:28:41" (3/3) ... [2020-10-13 11:28:41,029 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product19.cil.c [2020-10-13 11:28:41,039 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:28:41,053 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:28:41,068 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:28:41,096 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:28:41,096 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:28:41,096 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:28:41,096 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:28:41,096 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:28:41,096 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:28:41,097 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:28:41,097 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:28:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states. [2020-10-13 11:28:41,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 11:28:41,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:28:41,165 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:28:41,166 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:28:41,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:28:41,172 INFO L82 PathProgramCache]: Analyzing trace with hash 707688551, now seen corresponding path program 1 times [2020-10-13 11:28:41,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:28:41,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1473811234] [2020-10-13 11:28:41,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:41,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:42,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:42,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:42,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:42,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:46,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:46,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 11:28:46,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-13 11:28:46,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:46,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:28:46,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:28:46,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:28:47,769 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:28:47,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:47,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:47,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:47,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:47,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 11:28:47,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:47,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:47,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:47,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:47,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:47,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:47,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:47,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:47,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:47,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:47,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:47,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:47,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:47,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:47,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:47,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:47,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:47,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:47,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:47,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:47,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:47,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:47,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:47,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:47,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:47,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:47,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:47,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:47,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:47,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:47,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:47,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:47,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:47,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:47,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:47,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:47,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:47,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:47,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:47,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:47,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:47,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:47,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:47,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:47,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:47,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:47,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:47,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:47,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:47,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:48,112 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:28:48,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:48,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:48,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:48,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:48,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:53,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-13 11:28:53,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:28:53,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:28:53,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:53,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:53,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:28:53,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:28:53,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:53,313 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:28:53,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:53,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:53,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:28:53,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:28:53,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-13 11:28:53,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:53,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:28:53,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:28:53,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:53,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:53,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:53,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:53,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:53,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:28:53,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:53,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:53,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:28:53,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:28:53,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:53,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:28:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:53,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:53,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:54,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:54,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:28:54,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 11:28:54,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:28:54,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:54,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 11:28:54,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:28:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:54,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:54,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:54,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:54,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:54,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:28:54,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:54,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:54,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:54,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:54,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:54,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:28:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:54,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:54,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:54,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:54,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:57,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:59,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:59,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 11:28:59,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:59,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:28:59,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-13 11:28:59,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:59,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:59,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:59,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:59,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:59,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:59,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:02,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 11:29:02,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:29:02,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3707 [2020-10-13 11:29:02,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:02,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:02,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:02,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:02,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:02,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:02,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:29:02,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:02,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:29:02,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:02,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:02,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:02,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:02,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:02,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:02,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:02,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:29:02,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:02,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:02,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:02,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:02,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:02,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:02,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:02,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:02,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:02,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:02,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:02,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:02,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:02,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:02,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:29:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:02,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:02,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:02,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:02,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:29:02,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:02,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:02,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:02,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 11:29:02,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:29:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:02,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:02,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:29:02,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:02,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:29:02,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:02,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:02,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:02,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:02,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:02,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:02,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:02,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:29:02,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:02,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:02,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:02,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:02,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:02,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:02,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:02,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:02,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:02,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:02,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:02,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:02,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:02,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:02,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:29:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:02,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:02,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:02,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:02,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:02,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:02,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:02,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:02,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:02,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:03,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:29:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:03,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:03,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:29:03,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:03,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:03,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:03,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:03,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:03,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:03,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:29:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:03,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:03,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:29:03,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:03,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:29:03,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:03,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:03,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:03,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:03,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:03,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:03,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:03,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:03,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:03,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:03,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:03,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:03,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:03,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:03,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:03,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:03,188 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:29:03,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1473811234] [2020-10-13 11:29:03,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:29:03,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:29:03,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528374789] [2020-10-13 11:29:03,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:29:03,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:29:03,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:29:03,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:29:03,215 INFO L87 Difference]: Start difference. First operand 770 states. Second operand 10 states. [2020-10-13 11:29:04,768 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:29:05,536 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-13 11:29:07,029 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:29:23,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:29:23,230 INFO L93 Difference]: Finished difference Result 1759 states and 3096 transitions. [2020-10-13 11:29:23,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:29:23,233 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2020-10-13 11:29:23,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:29:23,268 INFO L225 Difference]: With dead ends: 1759 [2020-10-13 11:29:23,268 INFO L226 Difference]: Without dead ends: 1138 [2020-10-13 11:29:23,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:29:23,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2020-10-13 11:29:23,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 610. [2020-10-13 11:29:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2020-10-13 11:29:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 973 transitions. [2020-10-13 11:29:23,598 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 973 transitions. Word has length 133 [2020-10-13 11:29:23,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:29:23,599 INFO L479 AbstractCegarLoop]: Abstraction has 610 states and 973 transitions. [2020-10-13 11:29:23,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:29:23,599 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 973 transitions. [2020-10-13 11:29:23,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 11:29:23,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:29:23,608 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:29:23,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:29:23,609 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:29:23,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:29:23,609 INFO L82 PathProgramCache]: Analyzing trace with hash -373174512, now seen corresponding path program 1 times [2020-10-13 11:29:23,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:29:23,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348503452] [2020-10-13 11:29:23,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:29:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:24,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:24,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:25,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:28,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:28,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 11:29:28,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:29:28,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5310 [2020-10-13 11:29:28,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:28,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:29:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,776 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:29:29,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:29,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 11:29:29,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:29:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:29,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:29,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:29:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:29,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:29,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:29:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:29,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:29,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:29:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:29,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:29,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:29,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:29,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:29,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:29,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:29,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:29,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:29,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:29,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:30,066 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:29:30,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:29:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:30,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:30,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:30,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:33,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:33,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:33,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:35,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 11:29:35,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:29:35,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:29:35,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:29:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:35,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:35,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:35,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:35,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:29:35,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:29:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-13 11:29:35,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:29:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:29:35,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:35,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:35,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:35,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:29:35,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:35,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:29:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:29:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:35,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:29:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:35,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:35,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:29:35,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:29:35,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:29:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:35,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:35,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:29:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:35,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:35,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:35,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:35,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:35,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:35,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:35,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:35,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:35,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:38,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:38,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:29:38,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:29:38,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3239 [2020-10-13 11:29:38,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 11:29:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:38,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:38,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:38,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:38,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:38,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:38,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 11:29:42,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:29:42,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3152 [2020-10-13 11:29:42,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:29:42,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:29:42,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:29:42,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:42,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:42,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:42,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:29:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:42,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:42,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:29:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:29:42,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:29:42,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:29:42,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:42,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:42,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:42,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:29:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:42,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:42,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:29:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:29:42,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:42,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:29:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:29:42,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:42,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:42,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:42,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:42,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:42,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:42,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:42,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:42,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:29:42,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348503452] [2020-10-13 11:29:42,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:29:42,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:29:42,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310562566] [2020-10-13 11:29:42,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:29:42,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:29:42,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:29:42,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:29:42,244 INFO L87 Difference]: Start difference. First operand 610 states and 973 transitions. Second operand 10 states. [2020-10-13 11:29:42,781 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:29:43,538 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:29:44,258 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-13 11:29:45,666 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:30:04,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:30:04,413 INFO L93 Difference]: Finished difference Result 1711 states and 2995 transitions. [2020-10-13 11:30:04,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:30:04,414 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-10-13 11:30:04,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:30:04,426 INFO L225 Difference]: With dead ends: 1711 [2020-10-13 11:30:04,426 INFO L226 Difference]: Without dead ends: 1138 [2020-10-13 11:30:04,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 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 11:30:04,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2020-10-13 11:30:04,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 610. [2020-10-13 11:30:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2020-10-13 11:30:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 972 transitions. [2020-10-13 11:30:04,611 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 972 transitions. Word has length 136 [2020-10-13 11:30:04,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:30:04,611 INFO L479 AbstractCegarLoop]: Abstraction has 610 states and 972 transitions. [2020-10-13 11:30:04,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:30:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 972 transitions. [2020-10-13 11:30:04,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-13 11:30:04,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:30:04,617 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:30:04,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:30:04,617 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:30:04,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:30:04,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1239600746, now seen corresponding path program 1 times [2020-10-13 11:30:04,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:30:04,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670728740] [2020-10-13 11:30:04,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:30:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:04,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:04,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:04,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:04,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:05,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:05,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:06,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:07,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:07,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:07,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:09,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:09,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-13 11:30:09,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:30:09,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-13 11:30:09,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:30:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:30:09,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:10,520 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:30:10,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:10,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:10,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:10,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:10,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:10,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 11:30:10,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:10,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:30:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:10,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:10,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:10,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:10,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:10,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:10,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:10,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:30:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:10,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:10,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:10,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:10,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:10,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:10,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:10,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:10,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:10,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:10,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:10,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:30:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:10,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:10,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:10,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:10,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:10,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:10,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:10,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:10,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:10,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:10,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:10,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:30:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:10,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:10,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:10,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:10,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:10,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:10,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:10,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:10,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:10,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:10,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:10,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:10,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:10,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:10,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:10,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:10,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:10,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:30:10,863 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:30:10,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:30:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:10,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:10,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:10,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:15,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:15,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:15,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:15,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 11:30:15,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:30:15,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 11:30:15,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:15,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:15,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:30:15,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:30:15,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:16,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:30:16,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:30:16,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 656 [2020-10-13 11:30:16,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:16,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:30:16,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:30:16,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:16,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:30:16,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:30:16,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:30:16,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:16,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:16,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:16,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:16,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:30:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:30:16,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:16,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:30:16,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:30:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:30:16,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:16,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:30:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:16,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:16,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:16,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:30:16,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:16,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:16,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:16,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:30:16,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:30:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:16,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:16,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:17,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:20,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:20,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:30:20,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:30:20,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3727 [2020-10-13 11:30:20,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:20,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:20,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 11:30:20,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:20,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:20,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:20,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:20,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:20,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:20,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 11:30:23,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:30:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2844 [2020-10-13 11:30:23,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:30:23,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:23,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:30:23,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:23,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:23,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:23,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:30:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:23,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:23,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:30:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:30:23,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:23,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:30:23,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:23,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:23,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:23,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:30:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:23,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:23,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:30:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:30:23,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:23,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:30:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:30:23,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:23,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:23,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:23,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:23,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:30:23,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670728740] [2020-10-13 11:30:23,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:30:23,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:30:23,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255556844] [2020-10-13 11:30:23,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:30:23,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:30:23,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:30:23,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:30:23,602 INFO L87 Difference]: Start difference. First operand 610 states and 972 transitions. Second operand 10 states. [2020-10-13 11:30:25,183 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:30:26,730 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:30:48,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:30:48,406 INFO L93 Difference]: Finished difference Result 1665 states and 2910 transitions. [2020-10-13 11:30:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:30:48,407 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2020-10-13 11:30:48,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:30:48,417 INFO L225 Difference]: With dead ends: 1665 [2020-10-13 11:30:48,417 INFO L226 Difference]: Without dead ends: 1138 [2020-10-13 11:30:48,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:30:48,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2020-10-13 11:30:48,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 610. [2020-10-13 11:30:48,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2020-10-13 11:30:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 967 transitions. [2020-10-13 11:30:48,610 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 967 transitions. Word has length 137 [2020-10-13 11:30:48,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:30:48,611 INFO L479 AbstractCegarLoop]: Abstraction has 610 states and 967 transitions. [2020-10-13 11:30:48,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:30:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 967 transitions. [2020-10-13 11:30:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 11:30:48,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:30:48,619 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:30:48,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:30:48,620 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:30:48,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:30:48,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1158958651, now seen corresponding path program 1 times [2020-10-13 11:30:48,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:30:48,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128292487] [2020-10-13 11:30:48,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:30:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:48,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:48,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:48,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:48,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:50,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:51,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:51,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:53,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:53,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 11:30:53,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:30:53,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 11:30:53,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:53,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:53,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:30:53,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:30:53,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,454 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:30:54,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:54,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:30:54,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:54,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:30:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:54,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:54,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:54,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:30:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:54,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:54,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:54,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:30:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:54,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:54,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:54,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:30:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:54,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:54,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:54,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:54,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:54,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:54,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:54,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:54,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:54,745 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:30:54,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:30:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:54,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:54,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:59,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:59,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:59,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 11:30:59,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:30:59,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:30:59,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:30:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:30:59,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:59,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:59,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:59,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:59,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:59,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:00,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:00,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:31:00,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:00,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-13 11:31:00,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:31:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:31:00,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:00,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:00,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:00,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:00,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:31:00,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:00,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:00,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:31:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:31:00,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:00,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:31:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:00,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:00,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:00,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:00,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:31:00,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:31:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:31:00,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:31:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:00,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:00,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:31:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:00,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:00,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:00,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:00,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:00,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:31:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:00,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:00,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:00,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:00,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:03,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:03,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:31:03,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3183 [2020-10-13 11:31:03,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 11:31:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:03,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:03,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:03,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:03,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:03,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:03,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 11:31:05,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:05,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1996 [2020-10-13 11:31:05,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:31:05,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:05,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:31:05,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:05,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:05,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:05,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:31:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:05,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:05,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:31:05,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:05,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:31:05,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:05,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:05,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:05,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:31:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:05,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:05,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:31:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:31:05,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:05,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:31:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:31:05,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:05,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:05,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:05,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:05,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:05,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:05,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:05,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:05,746 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:31:05,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128292487] [2020-10-13 11:31:05,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:31:05,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:31:05,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043855597] [2020-10-13 11:31:05,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:31:05,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:31:05,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:31:05,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:31:05,748 INFO L87 Difference]: Start difference. First operand 610 states and 967 transitions. Second operand 10 states. [2020-10-13 11:31:07,124 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:31:07,915 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-13 11:31:09,221 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:31:12,693 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:31:26,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:31:26,518 INFO L93 Difference]: Finished difference Result 1711 states and 2984 transitions. [2020-10-13 11:31:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:31:26,519 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2020-10-13 11:31:26,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:31:26,529 INFO L225 Difference]: With dead ends: 1711 [2020-10-13 11:31:26,529 INFO L226 Difference]: Without dead ends: 1138 [2020-10-13 11:31:26,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:31:26,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2020-10-13 11:31:26,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 610. [2020-10-13 11:31:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2020-10-13 11:31:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 966 transitions. [2020-10-13 11:31:26,729 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 966 transitions. Word has length 138 [2020-10-13 11:31:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:31:26,730 INFO L479 AbstractCegarLoop]: Abstraction has 610 states and 966 transitions. [2020-10-13 11:31:26,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:31:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 966 transitions. [2020-10-13 11:31:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-13 11:31:26,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:31:26,736 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:31:26,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:31:26,737 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:31:26,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:31:26,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1983886149, now seen corresponding path program 1 times [2020-10-13 11:31:26,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:31:26,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1919602393] [2020-10-13 11:31:26,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:31:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:26,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:30,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:30,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:31,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:31,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-13 11:31:31,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:31:31,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:31:31,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:31,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:31,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:31:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:31:31,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:32,501 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:31:32,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:32,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:32,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:32,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:32,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:32,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:31:32,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:32,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:32,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:31:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:32,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:32,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:32,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:32,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:32,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:32,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:31:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:32,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:32,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:32,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:32,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:32,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:32,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:31:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:32,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:32,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:32,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:32,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:32,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:32,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:32,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:32,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:32,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:31:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:32,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:32,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:32,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:32,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:32,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:32,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:32,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:32,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:32,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:32,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:32,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:31:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:32,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:32,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:32,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:32,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:32,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:32,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:32,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:32,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:32,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:32,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:32,768 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:31:32,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:32,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:32,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:32,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:32,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:33,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:33,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:37,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:37,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:37,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-13 11:31:37,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:31:37,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:31:37,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:37,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:37,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 11:31:37,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:31:37,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:37,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:37,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:37,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:37,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:37,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:38,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:38,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:31:38,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:38,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-13 11:31:38,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:31:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:31:38,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:38,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:38,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:38,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:38,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:38,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:31:38,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:31:38,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:38,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:38,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:38,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:31:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:38,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:38,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:38,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:31:38,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:31:38,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:31:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:31:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:38,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:31:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:38,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:38,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:38,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:38,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:38,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:38,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:31:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:38,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:31:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:38,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 11:31:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:38,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:38,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:38,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:38,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:42,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:42,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:31:42,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:42,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4205 [2020-10-13 11:31:42,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 11:31:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:42,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:42,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:42,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:42,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:42,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:42,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 11:31:44,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:44,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2085 [2020-10-13 11:31:44,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:44,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:31:44,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:44,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:44,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:31:44,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:44,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:44,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:44,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:44,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:44,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:31:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:44,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:44,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:44,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:31:44,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:31:44,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:44,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:31:44,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:44,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:31:44,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:44,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:44,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:31:44,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:31:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:44,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:44,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:44,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 11:31:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:31:44,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:44,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:44,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:31:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:31:44,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:44,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:44,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:44,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:44,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:44,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:44,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:44,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:44,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:44,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:31:44,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1919602393] [2020-10-13 11:31:44,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:31:44,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:31:44,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485735862] [2020-10-13 11:31:44,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:31:44,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:31:44,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:31:44,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:31:44,676 INFO L87 Difference]: Start difference. First operand 610 states and 966 transitions. Second operand 10 states. [2020-10-13 11:31:46,623 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:31:48,116 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:31:52,645 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:32:11,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:32:11,823 INFO L93 Difference]: Finished difference Result 1665 states and 2904 transitions. [2020-10-13 11:32:11,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:32:11,824 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2020-10-13 11:32:11,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:32:11,832 INFO L225 Difference]: With dead ends: 1665 [2020-10-13 11:32:11,833 INFO L226 Difference]: Without dead ends: 1138 [2020-10-13 11:32:11,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:32:11,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2020-10-13 11:32:11,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 610. [2020-10-13 11:32:11,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2020-10-13 11:32:11,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 961 transitions. [2020-10-13 11:32:11,981 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 961 transitions. Word has length 139 [2020-10-13 11:32:11,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:32:11,981 INFO L479 AbstractCegarLoop]: Abstraction has 610 states and 961 transitions. [2020-10-13 11:32:11,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:32:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 961 transitions. [2020-10-13 11:32:11,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-13 11:32:11,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:32:11,985 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:32:11,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:32:11,986 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:32:11,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:32:11,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2010515057, now seen corresponding path program 1 times [2020-10-13 11:32:11,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:32:11,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531238090] [2020-10-13 11:32:11,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:32:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:12,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:12,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:12,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:12,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:12,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:13,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:15,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:15,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:17,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:17,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-13 11:32:17,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:32:17,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:32:17,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:32:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:32:17,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:17,807 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:32:17,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:17,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:17,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:17,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:17,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:17,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:32:17,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:17,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:32:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:17,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:17,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:17,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:17,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:17,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:17,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:17,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:32:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:17,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:17,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:17,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:17,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:17,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:17,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:17,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:32:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:17,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:17,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:17,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:17,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:17,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:17,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:17,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:17,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:32:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:17,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:17,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:17,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:17,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:17,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:17,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:17,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:17,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:17,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:17,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:17,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:32:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:17,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:17,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:17,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:17,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:17,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:17,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:17,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:18,058 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:32:18,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:32:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:18,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:18,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:18,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:18,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:18,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:18,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking...