/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:17:00,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:17:00,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:17:00,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:17:00,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:17:00,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:17:00,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:17:00,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:17:00,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:17:00,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:17:00,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:17:00,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:17:00,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:17:00,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:17:00,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:17:00,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:17:00,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:17:00,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:17:00,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:17:00,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:17:00,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:17:00,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:17:00,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:17:00,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:17:00,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:17:00,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:17:00,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:17:00,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:17:00,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:17:00,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:17:00,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:17:00,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:17:00,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:17:00,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:17:00,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:17:00,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:17:00,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:17:00,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:17:00,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:17:00,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:17:00,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:17:00,569 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 [2020-10-27 02:17:00,618 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:17:00,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:17:00,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:17:00,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:17:00,620 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:17:00,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:17:00,621 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:17:00,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:17:00,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:17:00,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:17:00,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:17:00,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:17:00,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:17:00,622 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:17:00,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:17:00,623 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:17:00,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:17:00,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:17:00,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:17:00,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:17:00,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:17:00,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:17:00,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:17:00,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:17:00,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:17:00,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:17:00,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:17:00,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:17:00,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:17:00,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:17:01,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:17:01,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:17:01,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:17:01,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:17:01,072 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:17:01,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2020-10-27 02:17:01,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03bd4674d/6976d12377a842ab8b80023bceec0e98/FLAGe53741f97 [2020-10-27 02:17:02,057 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:17:02,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2020-10-27 02:17:02,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03bd4674d/6976d12377a842ab8b80023bceec0e98/FLAGe53741f97 [2020-10-27 02:17:02,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/03bd4674d/6976d12377a842ab8b80023bceec0e98 [2020-10-27 02:17:02,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:17:02,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:17:02,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:17:02,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:17:02,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:17:02,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:17:02" (1/1) ... [2020-10-27 02:17:02,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a50f6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:02, skipping insertion in model container [2020-10-27 02:17:02,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:17:02" (1/1) ... [2020-10-27 02:17:02,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:17:02,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:17:03,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:17:03,032 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:17:03,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:17:03,257 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:17:03,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:03 WrapperNode [2020-10-27 02:17:03,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:17:03,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:17:03,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:17:03,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:17:03,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:03" (1/1) ... [2020-10-27 02:17:03,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:03" (1/1) ... [2020-10-27 02:17:03,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:03" (1/1) ... [2020-10-27 02:17:03,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:03" (1/1) ... [2020-10-27 02:17:03,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:03" (1/1) ... [2020-10-27 02:17:03,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:03" (1/1) ... [2020-10-27 02:17:03,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:03" (1/1) ... [2020-10-27 02:17:03,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:17:03,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:17:03,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:17:03,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:17:03,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:03" (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 [2020-10-27 02:17:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:17:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:17:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:17:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:17:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:17:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:17:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:17:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:17:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:17:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:17:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:17:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:17:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:17:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:17:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:17:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:17:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:17:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:17:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:17:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:17:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:17:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:17:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:17:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:17:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:17:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:17:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:17:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:17:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:17:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:17:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:17:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:17:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:17:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:17:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:17:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:17:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:17:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:17:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:17:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:17:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:17:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:17:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:17:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 02:17:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 02:17:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-27 02:17:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-27 02:17:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:17:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:17:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:17:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:17:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:17:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:17:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:17:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:17:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:17:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:17:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:17:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:17:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:17:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:17:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:17:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:17:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:17:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:17:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:17:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:17:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:17:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:17:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:17:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:17:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:17:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:17:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:17:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:17:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:17:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:17:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:17:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:17:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:17:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:17:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:17:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:17:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:17:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:17:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:17:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:17:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:17:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:17:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:17:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:17:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:17:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:17:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:17:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:17:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:17:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:17:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:17:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:17:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:17:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:17:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:17:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:17:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:17:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:17:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:17:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:17:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:17:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:17:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:17:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 02:17:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:17:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:17:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:17:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:17:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:17:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:17:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:17:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:17:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:17:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:17:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:17:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-27 02:17:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:17:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:17:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:17:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:17:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:17:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:17:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:17:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 02:17:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-27 02:17:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:17:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:17:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:17:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:17:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:17:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:17:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:17:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:17:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:17:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:17:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:17:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:17:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:17:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:17:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:17:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:17:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:17:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:17:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:17:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:17:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:17:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:17:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:17:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:17:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:17:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:17:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:17:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:17:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:17:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:17:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:17:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:17:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:17:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:17:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:17:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:17:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:17:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:17:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:17:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:17:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:17:06,067 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:17:06,067 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:17:06,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:17:06 BoogieIcfgContainer [2020-10-27 02:17:06,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:17:06,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:17:06,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:17:06,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:17:06,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:17:02" (1/3) ... [2020-10-27 02:17:06,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb511dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:17:06, skipping insertion in model container [2020-10-27 02:17:06,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:17:03" (2/3) ... [2020-10-27 02:17:06,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb511dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:17:06, skipping insertion in model container [2020-10-27 02:17:06,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:17:06" (3/3) ... [2020-10-27 02:17:06,080 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product19.cil.c [2020-10-27 02:17:06,093 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:17:06,099 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:17:06,113 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:17:06,146 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:17:06,146 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:17:06,147 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:17:06,147 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:17:06,147 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:17:06,147 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:17:06,147 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:17:06,147 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:17:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states. [2020-10-27 02:17:06,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 02:17:06,229 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:17:06,230 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:17:06,231 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:17:06,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:17:06,242 INFO L82 PathProgramCache]: Analyzing trace with hash -75235691, now seen corresponding path program 1 times [2020-10-27 02:17:06,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:17:06,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956123551] [2020-10-27 02:17:06,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:17:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:06,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:07,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:07,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:07,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:08,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:11,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:11,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:11,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 02:17:11,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:17:11,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-27 02:17:11,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:17:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:17:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-27 02:17:11,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:17:12,995 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:17:12,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:13,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:13,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:13,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:13,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:13,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-27 02:17:13,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:17:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:13,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:17:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:13,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:13,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:13,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:13,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:13,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:13,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:13,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:13,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:17:13,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:17:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:13,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:13,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:13,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:13,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:13,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:17:13,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:13,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:13,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:17:13,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:17:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:13,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:13,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:13,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:13,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:17:13,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:13,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:13,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 02:17:13,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:17:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:13,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:13,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:13,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:13,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:13,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:17:13,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:13,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:13,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:17:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:13,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:13,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:13,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:13,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:13,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:17:13,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:13,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:17:13,677 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:17:13,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:17:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:13,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:13,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:13,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:13,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:18,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:18,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:18,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 02:17:18,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:17:18,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:17:18,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:18,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:17:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:18,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:18,878 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:17:18,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:18,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:18,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:18,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:18,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:19,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:19,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:17:19,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:17:19,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 598 [2020-10-27 02:17:19,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:19,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:19,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:17:19,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:17:19,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:19,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:19,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:19,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:19,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:19,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:19,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:19,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:17:19,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:19,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:17:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:19,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:19,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:19,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:19,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:17:19,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:19,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 02:17:19,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:19,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:17:19,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:19,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:17:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:19,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:19,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:19,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:19,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:19,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:17:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:19,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:17:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:19,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:19,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:19,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:20,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:23,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:24,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:24,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 02:17:24,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:17:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 02:17:24,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:17:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 02:17:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:17:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:24,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:24,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:24,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:24,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 02:17:28,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:17:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3742 [2020-10-27 02:17:28,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:17:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:17:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:17:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:17:28,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:17:28,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 02:17:28,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:17:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:17:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:17:28,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:17:28,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:17:28,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:28,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:28,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:17:28,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:17:28,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:28,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:17:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:28,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:17:28,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:17:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:17:28,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:17:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:17:28,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:17:28,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:17:28,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:17:28,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:17:28,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:17:28,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:28,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:28,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:28,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:28,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:17:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:28,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:28,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:28,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:17:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:28,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:28,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:28,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:17:28,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:28,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:17:28,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:28,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:17:28,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:17:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:17:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:29,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:17:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:29,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:29,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:17:29,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:29,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:29,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:29,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:17:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:29,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:17:29,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:29,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:29,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:29,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:29,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:29,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:29,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:29,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:29,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 02:17:29,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956123551] [2020-10-27 02:17:29,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:17:29,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 02:17:29,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455361788] [2020-10-27 02:17:29,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 02:17:29,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:17:29,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 02:17:29,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2020-10-27 02:17:29,266 INFO L87 Difference]: Start difference. First operand 774 states. Second operand 22 states. [2020-10-27 02:17:31,642 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:17:32,501 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:17:33,878 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:17:35,146 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:17:36,668 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:17:40,092 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:17:41,376 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:17:42,936 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:17:43,358 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:17:48,675 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:17:49,352 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:17:51,125 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:17:52,568 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:17:55,379 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:17:58,017 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:17:58,770 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:18:00,506 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:18:01,957 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:18:02,956 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:18:03,225 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:18:05,264 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:18:06,721 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:18:08,439 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:18:12,904 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:18:13,751 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:18:13,970 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:18:14,496 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:18:16,508 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:18:19,036 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:18:21,019 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:18:37,976 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:18:38,405 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:18:43,165 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:18:43,664 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:19:00,196 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:19:26,714 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:19:52,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:19:52,997 INFO L93 Difference]: Finished difference Result 3914 states and 7448 transitions. [2020-10-27 02:19:52,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-10-27 02:19:52,999 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 134 [2020-10-27 02:19:53,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:19:53,087 INFO L225 Difference]: With dead ends: 3914 [2020-10-27 02:19:53,087 INFO L226 Difference]: Without dead ends: 3203 [2020-10-27 02:19:53,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2904 ImplicationChecksByTransitivity, 30.4s TimeCoverageRelationStatistics Valid=1392, Invalid=7164, Unknown=0, NotChecked=0, Total=8556 [2020-10-27 02:19:53,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2020-10-27 02:19:53,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 1566. [2020-10-27 02:19:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1566 states. [2020-10-27 02:19:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2500 transitions. [2020-10-27 02:19:53,922 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2500 transitions. Word has length 134 [2020-10-27 02:19:53,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:19:53,923 INFO L481 AbstractCegarLoop]: Abstraction has 1566 states and 2500 transitions. [2020-10-27 02:19:53,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 02:19:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2500 transitions. [2020-10-27 02:19:53,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 02:19:53,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:19:53,945 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:19:53,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:19:53,946 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:19:53,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:19:53,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1007507115, now seen corresponding path program 1 times [2020-10-27 02:19:53,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:19:53,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612881651] [2020-10-27 02:19:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:19:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:54,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:55,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:59,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:59,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-27 02:19:59,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:19:59,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 02:19:59,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 02:19:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:19:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 02:19:59,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,314 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:20:00,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:20:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:00,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:00,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 02:20:00,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:00,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:00,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:20:00,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:20:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:20:00,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:00,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:00,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:00,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:20:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:20:00,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:00,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:00,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:00,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:00,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:00,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:20:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:00,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:00,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:00,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:20:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:20:00,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:00,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:20:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:00,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:00,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:00,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:00,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,804 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:20:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:20:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:01,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:02,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:05,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:05,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 02:20:05,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:20:05,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 02:20:05,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:20:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:05,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:06,010 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:20:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:20:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:06,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:06,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:20:06,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:20:06,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-27 02:20:06,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:06,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:20:06,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:06,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:06,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:06,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:06,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:20:06,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:06,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:06,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:20:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:20:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:06,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:20:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:06,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:06,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:20:06,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:20:06,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:20:06,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:20:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:20:06,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:06,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:20:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:06,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:06,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:20:06,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:06,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:20:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:06,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:20:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:06,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:06,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:11,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:11,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 02:20:11,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:20:11,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:20:11,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 02:20:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 02:20:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 02:20:11,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:11,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:11,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:11,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 02:20:16,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:20:16,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4494 [2020-10-27 02:20:16,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 02:20:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:20:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 02:20:16,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:20:16,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:16,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:20:16,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:20:16,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:16,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:20:16,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:20:16,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:16,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:20:16,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:20:16,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:16,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:20:16,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:20:16,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:16,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:16,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:20:16,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:16,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:20:16,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:20:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:16,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:16,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:20:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:20:16,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:20:16,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 02:20:16,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:20:16,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:16,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:20:16,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:20:16,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:16,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:16,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:16,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:16,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:20:16,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:20:16,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:16,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:16,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:16,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:16,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:16,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:20:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:16,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:16,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:16,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:20:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:16,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 02:20:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:20:16,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:16,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:20:16,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:20:16,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:20:16,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:20:16,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 02:20:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:20:16,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:16,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:16,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:20:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:16,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:16,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:16,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:16,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:16,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:16,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:20:16,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 02:20:17,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612881651] [2020-10-27 02:20:17,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:20:17,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 02:20:17,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628165669] [2020-10-27 02:20:17,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 02:20:17,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:20:17,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 02:20:17,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2020-10-27 02:20:17,050 INFO L87 Difference]: Start difference. First operand 1566 states and 2500 transitions. Second operand 27 states. [2020-10-27 02:20:19,859 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:20:20,543 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:20:21,966 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:20:23,290 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:20:24,881 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:20:28,652 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:20:30,007 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:20:31,409 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:20:33,054 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:20:34,412 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:20:35,790 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:20:37,259 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:20:38,961 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:20:39,436 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 02:20:39,934 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 02:20:41,585 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 429