/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:37:42,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:37:42,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:37:42,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:37:42,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:37:42,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:37:42,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:37:42,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:37:42,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:37:42,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:37:42,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:37:42,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:37:42,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:37:42,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:37:42,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:37:42,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:37:42,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:37:42,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:37:42,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:37:42,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:37:42,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:37:42,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:37:42,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:37:42,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:37:42,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:37:42,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:37:42,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:37:42,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:37:42,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:37:42,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:37:42,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:37:42,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:37:42,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:37:42,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:37:42,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:37:42,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:37:42,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:37:42,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:37:42,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:37:42,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:37:42,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:37:42,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 16:37:42,603 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:37:42,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:37:42,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:37:42,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:37:42,605 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:37:42,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:37:42,606 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:37:42,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:37:42,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:37:42,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:37:42,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:37:42,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:37:42,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:37:42,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:37:42,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:37:42,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:37:42,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:37:42,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:37:42,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:37:42,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:37:42,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:37:42,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:37:42,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:37:42,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:37:42,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:37:42,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:37:42,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:37:42,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:37:42,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:37:42,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:37:42,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:37:42,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:37:42,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:37:42,904 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:37:42,905 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:37:42,905 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product18.cil.c [2020-10-12 16:37:42,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe6085d1a/785fe437d45e4799ad128ecaad9d2261/FLAGfec09388f [2020-10-12 16:37:43,576 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:37:43,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product18.cil.c [2020-10-12 16:37:43,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe6085d1a/785fe437d45e4799ad128ecaad9d2261/FLAGfec09388f [2020-10-12 16:37:43,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe6085d1a/785fe437d45e4799ad128ecaad9d2261 [2020-10-12 16:37:43,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:37:43,799 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:37:43,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:37:43,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:37:43,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:37:43,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:37:43" (1/1) ... [2020-10-12 16:37:43,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6452952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:43, skipping insertion in model container [2020-10-12 16:37:43,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:37:43" (1/1) ... [2020-10-12 16:37:43,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:37:43,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:37:44,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:37:44,592 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:37:44,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:37:44,877 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:37:44,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:44 WrapperNode [2020-10-12 16:37:44,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:37:44,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:37:44,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:37:44,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:37:44,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:44" (1/1) ... [2020-10-12 16:37:44,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:44" (1/1) ... [2020-10-12 16:37:44,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:44" (1/1) ... [2020-10-12 16:37:44,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:44" (1/1) ... [2020-10-12 16:37:45,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:44" (1/1) ... [2020-10-12 16:37:45,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:44" (1/1) ... [2020-10-12 16:37:45,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:44" (1/1) ... [2020-10-12 16:37:45,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:37:45,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:37:45,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:37:45,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:37:45,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:37:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:37:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:37:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:37:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:37:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:37:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:37:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:37:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:37:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:37:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:37:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:37:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:37:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:37:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:37:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:37:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:37:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:37:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:37:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:37:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:37:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:37:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:37:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:37:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:37:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:37:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:37:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:37:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:37:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:37:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:37:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:37:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:37:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:37:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:37:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:37:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:37:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:37:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:37:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:37:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:37:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:37:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:37:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:37:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:37:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2020-10-12 16:37:45,211 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:37:45,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2020-10-12 16:37:45,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:37:45,211 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:37:45,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:37:45,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:37:45,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:37:45,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:37:45,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:37:45,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:37:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:37:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:37:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:37:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:37:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:37:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:37:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:37:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:37:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:37:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:37:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:37:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:37:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:37:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:37:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:37:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:37:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:37:45,216 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:37:45,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:37:45,216 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:37:45,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:37:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:37:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:37:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:37:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:37:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:37:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:37:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:37:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:37:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:37:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:37:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:37:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:37:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:37:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:37:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:37:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:37:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:37:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:37:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:37:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:37:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:37:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:37:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:37:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:37:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:37:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:37:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:37:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:37:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:37:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:37:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:37:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:37:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:37:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:37:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:37:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:37:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:37:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:37:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:37:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:37:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:37:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:37:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:37:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:37:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:37:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:37:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:37:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:37:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:37:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:37:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:37:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:37:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:37:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:37:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:37:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:37:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:37:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:37:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:37:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2020-10-12 16:37:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2020-10-12 16:37:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:37:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:37:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:37:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:37:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:37:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:37:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:37:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:37:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:37:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:37:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:37:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:37:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:37:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:37:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:37:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:37:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:37:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:37:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:37:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:37:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:37:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:37:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:37:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:37:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:37:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:37:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:37:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:37:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:37:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:37:47,389 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:37:47,390 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:37:47,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:37:47 BoogieIcfgContainer [2020-10-12 16:37:47,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:37:47,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:37:47,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:37:47,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:37:47,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:37:43" (1/3) ... [2020-10-12 16:37:47,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27294d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:37:47, skipping insertion in model container [2020-10-12 16:37:47,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:37:44" (2/3) ... [2020-10-12 16:37:47,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27294d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:37:47, skipping insertion in model container [2020-10-12 16:37:47,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:37:47" (3/3) ... [2020-10-12 16:37:47,434 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product18.cil.c [2020-10-12 16:37:47,448 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:37:47,458 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:37:47,474 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:37:47,509 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:37:47,509 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:37:47,510 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:37:47,510 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:37:47,510 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:37:47,510 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:37:47,510 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:37:47,510 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:37:47,560 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states. [2020-10-12 16:37:47,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-12 16:37:47,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:37:47,602 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:37:47,603 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:37:47,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:37:47,612 INFO L82 PathProgramCache]: Analyzing trace with hash 126544023, now seen corresponding path program 1 times [2020-10-12 16:37:47,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:37:47,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177960728] [2020-10-12 16:37:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:37:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:48,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:48,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:48,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:48,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:49,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:49,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:50,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:53,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:53,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-12 16:37:53,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:37:53,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-12 16:37:53,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:37:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 16:37:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:37:53,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:37:54,258 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:37:54,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:37:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:54,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:54,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:54,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:54,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 16:37:54,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:37:54,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:37:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:54,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:54,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:37:54,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:54,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:37:54,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:54,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:54,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:54,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:54,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:54,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:37:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:54,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:54,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:37:54,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:54,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:37:54,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:54,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:54,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:54,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:54,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:54,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:37:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:54,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:54,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:54,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:54,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:37:54,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:54,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:37:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:54,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:54,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:37:54,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:54,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:37:54,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:54,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:37:54,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:37:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:54,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:54,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:37:54,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:37:54,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:37:54,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:37:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:37:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:37:54,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:37:54,594 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:37:54,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:37:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:54,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:54,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:55,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:59,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:37:59,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 16:37:59,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:37:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 16:37:59,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:37:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:37:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-12 16:37:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:37:59,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:37:59,829 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:37:59,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:37:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:37:59,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:59,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:59,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:59,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:59,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:37:59,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:00,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:00,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:38:00,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:38:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1137 [2020-10-12 16:38:00,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:38:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:38:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:38:00,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:01,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:01,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:01,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:38:01,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:38:01,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:38:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:01,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:38:01,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:01,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:38:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:01,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:01,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:38:01,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:38:01,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-12 16:38:01,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:01,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:38:01,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:38:01,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:38:01,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:01,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:38:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:01,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:01,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:38:01,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:01,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 16:38:01,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:38:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:38:01,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:01,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:01,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:01,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:38:01,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:01,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:38:01,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:01,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:38:01,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:38:01,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:01,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:38:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:01,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:01,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:02,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:38:02,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:38:02,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 943 [2020-10-12 16:38:02,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:02,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:38:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:38:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:38:02,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:02,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:02,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:38:02,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:02,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:38:02,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:02,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:38:02,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:02,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:38:02,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:02,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:38:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:02,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:02,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:38:02,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:38:02,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-12 16:38:02,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:38:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:38:02,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:38:02,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:02,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:38:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:02,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:02,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:38:02,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:02,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 16:38:02,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:38:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:02,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:38:02,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:02,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:02,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:02,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:38:02,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:02,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:38:02,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:38:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:02,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:38:02,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:02,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:38:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:02,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:02,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 16:38:02,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:02,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 16:38:02,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:02,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:02,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 16:38:02,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:02,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:02,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:02,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:02,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:38:02,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:02,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:38:02,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:02,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:02,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:02,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:02,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:02,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:02,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:38:02,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:02,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:38:02,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:02,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:02,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:02,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:02,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:02,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:38:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:02,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:02,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:38:02,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:02,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:38:02,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:02,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:02,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:02,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:02,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:02,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:02,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:38:02,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:02,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:38:02,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:02,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:02,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:02,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:02,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 16:38:03,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177960728] [2020-10-12 16:38:03,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:38:03,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 16:38:03,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423042846] [2020-10-12 16:38:03,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:38:03,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:38:03,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:38:03,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:38:03,171 INFO L87 Difference]: Start difference. First operand 759 states. Second operand 20 states. [2020-10-12 16:38:05,272 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:38:06,112 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:38:06,916 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:38:07,803 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:38:08,610 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:38:09,495 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:38:10,260 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:38:11,159 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:38:11,990 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:38:12,781 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:38:13,605 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:38:14,458 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:38:15,477 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:38:16,420 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:38:18,502 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:38:19,267 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:38:40,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:38:40,496 INFO L93 Difference]: Finished difference Result 1524 states and 2602 transitions. [2020-10-12 16:38:40,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-12 16:38:40,499 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 116 [2020-10-12 16:38:40,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:38:40,533 INFO L225 Difference]: With dead ends: 1524 [2020-10-12 16:38:40,533 INFO L226 Difference]: Without dead ends: 935 [2020-10-12 16:38:40,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=319, Invalid=2333, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 16:38:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-10-12 16:38:40,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 632. [2020-10-12 16:38:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-12 16:38:40,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1015 transitions. [2020-10-12 16:38:40,857 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1015 transitions. Word has length 116 [2020-10-12 16:38:40,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:38:40,858 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 1015 transitions. [2020-10-12 16:38:40,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:38:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1015 transitions. [2020-10-12 16:38:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-12 16:38:40,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:38:40,869 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:38:40,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:38:40,870 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:38:40,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:38:40,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1248298604, now seen corresponding path program 1 times [2020-10-12 16:38:40,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:38:40,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776793481] [2020-10-12 16:38:40,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:38:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:40,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:41,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:41,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:41,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:41,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:42,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:43,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:45,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:45,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-12 16:38:45,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:38:45,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 16:38:45,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:38:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 16:38:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:38:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:46,727 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:38:46,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:38:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:46,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:46,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:46,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:38:46,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 16:38:46,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:46,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:46,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:38:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:46,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:46,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:46,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:38:46,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:46,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:38:46,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:46,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:46,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:38:46,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:38:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:46,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:46,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:46,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:38:46,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:46,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:38:46,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:46,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:46,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:38:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:46,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:46,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:46,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:38:46,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:46,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:38:46,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:46,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:46,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:38:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:46,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:46,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:46,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:38:46,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:46,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:38:46,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:46,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:46,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:38:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:46,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:46,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:46,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:38:46,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:46,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:38:46,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:46,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:46,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:46,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:46,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:47,098 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:38:47,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:38:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:47,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:47,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:47,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:47,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:47,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:47,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:47,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:51,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:52,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 16:38:52,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:38:52,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 16:38:52,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:52,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:38:52,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-12 16:38:52,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:38:52,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:52,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:38:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:52,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:52,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:38:52,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:38:52,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 616 [2020-10-12 16:38:52,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:52,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:38:52,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:38:52,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:38:52,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:52,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:52,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:52,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:38:52,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:38:52,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:38:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:38:52,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:52,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:38:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:52,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:52,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:53,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:38:53,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:38:53,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-12 16:38:53,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:53,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:38:53,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:38:53,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:38:53,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:53,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:38:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:53,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:53,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:38:53,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:53,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 16:38:53,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:38:53,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:53,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:38:53,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:53,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:53,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:53,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:38:53,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:53,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:38:53,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:38:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:38:53,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:53,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:38:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:53,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:53,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 16:38:53,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:38:53,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 531 [2020-10-12 16:38:53,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:38:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:38:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:38:53,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:53,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:53,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:53,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:38:53,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:53,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:38:53,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:53,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:38:53,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:53,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:38:53,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:53,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:38:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:53,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:53,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:54,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:54,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:38:54,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:38:54,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 16:38:54,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:54,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:38:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:38:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:38:54,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:54,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:38:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:54,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:54,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:54,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:54,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:38:54,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:38:54,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 16:38:54,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:54,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:38:54,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:54,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:38:54,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:54,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:54,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:54,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:54,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:38:54,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:54,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 16:38:54,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:38:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:54,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:38:54,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:54,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:38:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:54,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:54,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:54,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:38:54,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:54,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 16:38:54,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:54,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:38:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:54,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:54,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:54,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:54,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:54,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:38:54,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:54,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 16:38:54,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:54,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:54,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:54,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:54,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:54,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:54,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:38:54,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:54,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:38:54,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:54,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:38:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:38:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:54,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:54,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:54,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:38:54,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:54,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:38:54,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:54,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:54,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:54,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:54,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:54,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:38:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:38:54,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:38:54,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:38:54,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:38:54,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:38:54,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:38:54,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:38:54,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:38:54,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:38:54,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:38:54,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:38:54,620 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 16:38:54,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776793481] [2020-10-12 16:38:54,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:38:54,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 16:38:54,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132422799] [2020-10-12 16:38:54,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:38:54,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:38:54,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:38:54,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:38:54,625 INFO L87 Difference]: Start difference. First operand 632 states and 1015 transitions. Second operand 20 states. [2020-10-12 16:38:56,994 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:38:57,894 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:38:58,730 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:38:59,624 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:00,460 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:39:01,390 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:39:02,312 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:39:03,220 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:04,109 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:04,992 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:39:06,032 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:08,226 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:09,035 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:29,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:39:29,567 INFO L93 Difference]: Finished difference Result 1539 states and 2611 transitions. [2020-10-12 16:39:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 16:39:29,568 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 120 [2020-10-12 16:39:29,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:39:29,582 INFO L225 Difference]: With dead ends: 1539 [2020-10-12 16:39:29,583 INFO L226 Difference]: Without dead ends: 941 [2020-10-12 16:39:29,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=243, Invalid=1649, Unknown=0, NotChecked=0, Total=1892 [2020-10-12 16:39:29,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-12 16:39:29,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 636. [2020-10-12 16:39:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2020-10-12 16:39:29,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1022 transitions. [2020-10-12 16:39:29,760 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1022 transitions. Word has length 120 [2020-10-12 16:39:29,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:39:29,761 INFO L479 AbstractCegarLoop]: Abstraction has 636 states and 1022 transitions. [2020-10-12 16:39:29,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:39:29,761 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1022 transitions. [2020-10-12 16:39:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-12 16:39:29,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:39:29,765 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:39:29,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:39:29,765 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:39:29,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:39:29,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1975316598, now seen corresponding path program 1 times [2020-10-12 16:39:29,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:39:29,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131462496] [2020-10-12 16:39:29,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:39:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:29,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:29,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:30,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:30,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:30,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:30,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:30,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:31,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:31,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:32,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:34,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:34,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:34,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 16:39:34,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 16:39:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-12 16:39:34,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:34,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-12 16:39:34,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:34,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:35,614 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:39:35,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:39:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:35,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:35,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:35,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:35,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:35,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 16:39:35,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:35,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:35,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:39:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:35,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:35,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:35,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:35,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:35,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:39:35,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:35,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:35,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:39:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:35,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:35,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:35,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:35,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:39:35,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:35,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:35,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:39:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:35,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:35,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:35,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:35,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:39:35,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:35,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:35,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:35,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:35,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:35,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:39:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:35,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:35,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:35,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:35,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:35,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:39:35,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:35,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:35,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:35,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:35,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:35,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:39:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:35,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:35,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:35,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:35,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:35,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:35,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:35,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:35,915 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:39:35,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:39:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:35,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:35,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:35,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:37,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:40,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 16:39:40,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 16:39:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 16:39:40,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 16:39:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:41,102 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:39:41,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:39:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:41,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:41,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 16:39:41,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:39:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 742 [2020-10-12 16:39:41,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:39:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:41,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:41,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:41,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:39:41,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:41,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:39:41,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:39:41,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:41,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:39:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:41,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:39:42,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:42,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-12 16:39:42,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:42,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:42,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:42,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:42,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:39:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:42,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:39:42,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:42,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 16:39:42,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:42,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:42,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:39:42,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:42,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:42,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:42,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:42,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:39:42,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:39:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:42,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:39:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:42,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:44,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 16:39:44,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:39:44,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2646 [2020-10-12 16:39:44,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:44,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:44,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:39:44,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:44,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:44,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:44,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:44,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:39:44,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:44,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:39:44,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:44,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:39:44,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:44,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:39:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:44,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:44,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:45,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 16:39:45,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:39:45,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 936 [2020-10-12 16:39:45,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:45,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:45,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:45,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 16:39:45,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:45,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 16:39:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:45,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:45,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:39:46,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-12 16:39:46,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:39:46,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:46,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:39:46,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:39:46,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:39:46,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:46,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:39:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:39:46,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 16:39:46,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:39:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:46,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:39:46,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:39:46,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:46,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:46,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:46,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:46,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:39:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:39:46,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:39:46,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:46,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:46,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:46,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:46,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:46,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:46,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 16:39:46,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131462496] [2020-10-12 16:39:46,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:39:46,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 16:39:46,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984460590] [2020-10-12 16:39:46,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 16:39:46,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:39:46,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 16:39:46,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2020-10-12 16:39:46,470 INFO L87 Difference]: Start difference. First operand 636 states and 1022 transitions. Second operand 22 states. [2020-10-12 16:39:48,592 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:49,476 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:39:50,302 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:39:51,123 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:39:52,030 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:52,899 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:39:53,810 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:39:54,643 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:39:55,583 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:39:56,413 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:57,285 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:58,090 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:39:58,916 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:39:59,769 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:00,609 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:02,644 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:03,410 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:21,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:40:21,763 INFO L93 Difference]: Finished difference Result 1584 states and 2707 transitions. [2020-10-12 16:40:21,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-12 16:40:21,764 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 123 [2020-10-12 16:40:21,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:40:21,774 INFO L225 Difference]: With dead ends: 1584 [2020-10-12 16:40:21,774 INFO L226 Difference]: Without dead ends: 982 [2020-10-12 16:40:21,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=338, Invalid=2742, Unknown=0, NotChecked=0, Total=3080 [2020-10-12 16:40:21,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2020-10-12 16:40:21,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 668. [2020-10-12 16:40:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2020-10-12 16:40:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1080 transitions. [2020-10-12 16:40:21,927 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1080 transitions. Word has length 123 [2020-10-12 16:40:21,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:40:21,928 INFO L479 AbstractCegarLoop]: Abstraction has 668 states and 1080 transitions. [2020-10-12 16:40:21,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 16:40:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1080 transitions. [2020-10-12 16:40:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-12 16:40:21,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:40:21,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:40:21,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 16:40:21,932 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:40:21,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:40:21,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1073190474, now seen corresponding path program 1 times [2020-10-12 16:40:21,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:40:21,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317999276] [2020-10-12 16:40:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:40:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:22,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:24,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:26,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-12 16:40:26,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:40:26,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 16:40:26,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:40:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:40:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 16:40:26,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:27,785 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:40:27,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:40:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:27,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:27,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:27,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:27,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:27,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-12 16:40:27,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:40:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:40:27,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:28,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:40:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:28,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:40:28,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:40:28,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:40:28,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:28,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:40:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:28,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:40:28,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:40:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:40:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:28,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:40:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:28,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:40:28,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:40:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:40:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:28,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:40:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:28,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:40:28,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:40:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:40:28,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:28,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:40:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:28,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:40:28,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:40:28,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:28,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:40:28,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:28,376 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:40:28,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:40:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:28,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:33,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 16:40:33,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:40:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 16:40:33,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 16:40:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:40:33,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:33,551 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:40:33,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:40:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:33,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:33,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 16:40:33,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:40:33,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-12 16:40:33,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 16:40:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:40:33,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:33,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:33,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:33,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 16:40:33,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:40:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:40:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:33,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 16:40:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:33,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:33,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:40:33,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:33,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 16:40:33,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:33,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:33,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:40:33,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:33,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:40:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:33,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:33,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:40:33,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:33,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:40:33,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:40:33,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 16:40:33,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:33,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:33,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:33,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:33,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:40:33,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:33,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:40:33,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:33,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:33,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:40:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 16:40:34,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:40:34,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 446 [2020-10-12 16:40:34,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:34,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:40:34,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:40:34,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:40:34,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:40:34,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:40:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:40:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:40:34,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:40:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-12 16:40:34,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:40:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:40:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:40:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:40:34,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 16:40:34,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:40:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:40:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:40:34,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:34,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:40:34,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:40:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:40:34,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:40:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:40:34,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:34,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 16:40:34,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:40:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:34,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:40:34,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:34,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:40:34,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:34,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:34,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:34,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:34,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:34,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:40:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:40:34,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:34,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:40:34,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:34,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:34,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:34,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:34,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:34,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:34,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:34,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:34,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 16:40:34,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317999276] [2020-10-12 16:40:34,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:40:34,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 16:40:34,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199937795] [2020-10-12 16:40:34,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 16:40:34,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:40:34,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 16:40:34,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:40:34,990 INFO L87 Difference]: Start difference. First operand 668 states and 1080 transitions. Second operand 21 states. [2020-10-12 16:40:37,191 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:40:38,406 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:40:39,295 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-12 16:40:40,221 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:40:41,198 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:40:42,040 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2020-10-12 16:40:42,993 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:40:44,019 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-12 16:40:44,972 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:45,806 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:40:46,675 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:40:47,698 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:40:49,825 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:40:50,970 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:40:51,747 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:40:52,530 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127