/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_spec3_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:23:45,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:23:45,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:23:45,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:23:45,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:23:45,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:23:45,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:23:45,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:23:45,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:23:45,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:23:45,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:23:45,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:23:45,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:23:45,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:23:45,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:23:45,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:23:45,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:23:45,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:23:45,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:23:45,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:23:45,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:23:45,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:23:45,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:23:45,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:23:45,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:23:45,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:23:45,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:23:45,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:23:45,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:23:45,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:23:45,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:23:45,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:23:45,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:23:45,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:23:45,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:23:45,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:23:45,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:23:45,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:23:45,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:23:45,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:23:45,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:23:45,557 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 02:23:45,612 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:23:45,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:23:45,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:23:45,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:23:45,615 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:23:45,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:23:45,616 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:23:45,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:23:45,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:23:45,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:23:45,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:23:45,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:23:45,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:23:45,618 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:23:45,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:23:45,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:23:45,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:23:45,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:23:45,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:23:45,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:23:45,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:23:45,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:23:45,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:23:45,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:23:45,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:23:45,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:23:45,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:23:45,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:23:45,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:23:45,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:23:46,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:23:46,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:23:46,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:23:46,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:23:46,050 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:23:46,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product21.cil.c [2020-10-27 02:23:46,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c5415587/7173272e296a41f0853d1b676a251080/FLAGdba012605 [2020-10-27 02:23:46,931 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:23:46,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product21.cil.c [2020-10-27 02:23:46,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c5415587/7173272e296a41f0853d1b676a251080/FLAGdba012605 [2020-10-27 02:23:47,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c5415587/7173272e296a41f0853d1b676a251080 [2020-10-27 02:23:47,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:23:47,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:23:47,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:23:47,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:23:47,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:23:47,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:23:47" (1/1) ... [2020-10-27 02:23:47,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52dd27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:47, skipping insertion in model container [2020-10-27 02:23:47,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:23:47" (1/1) ... [2020-10-27 02:23:47,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:23:47,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:23:47,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:23:47,782 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:23:48,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:23:48,094 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:23:48,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:48 WrapperNode [2020-10-27 02:23:48,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:23:48,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:23:48,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:23:48,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:23:48,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:48" (1/1) ... [2020-10-27 02:23:48,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:48" (1/1) ... [2020-10-27 02:23:48,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:48" (1/1) ... [2020-10-27 02:23:48,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:48" (1/1) ... [2020-10-27 02:23:48,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:48" (1/1) ... [2020-10-27 02:23:48,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:48" (1/1) ... [2020-10-27 02:23:48,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:48" (1/1) ... [2020-10-27 02:23:48,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:23:48,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:23:48,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:23:48,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:23:48,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:48" (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 02:23:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:23:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:23:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:23:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:23:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:23:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:23:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:23:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:23:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:23:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:23:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:23:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:23:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:23:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:23:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:23:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:23:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:23:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:23:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:23:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:23:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:23:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:23:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:23:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:23:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:23:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:23:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:23:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:23:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:23:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:23:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:23:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:23:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:23:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:23:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:23:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:23:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:23:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:23:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:23:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:23:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:23:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:23:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:23:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:23:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:23:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:23:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:23:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:23:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:23:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:23:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:23:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:23:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:23:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:23:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:23:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:23:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:23:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:23:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:23:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:23:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:23:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:23:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:23:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:23:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:23:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:23:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:23:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:23:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:23:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:23:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:23:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:23:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:23:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:23:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:23:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:23:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:23:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:23:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:23:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:23:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:23:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:23:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:23:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:23:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:23:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:23:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:23:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:23:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:23:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:23:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:23:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:23:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:23:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:23:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:23:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:23:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:23:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:23:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:23:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:23:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:23:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:23:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:23:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:23:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:23:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:23:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:23:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:23:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:23:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:23:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:23:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:23:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:23:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:23:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:23:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:23:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:23:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:23:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:23:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:23:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:23:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:23:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:23:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:23:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:23:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:23:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:23:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:23:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:23:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:23:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:23:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:23:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:23:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:23:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 02:23:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-27 02:23:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:23:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:23:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:23:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:23:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:23:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:23:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:23:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:23:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:23:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:23:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:23:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:23:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:23:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:23:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:23:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:23:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:23:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:23:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:23:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:23:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:23:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:23:50,853 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:23:50,853 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:23:50,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:23:50 BoogieIcfgContainer [2020-10-27 02:23:50,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:23:50,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:23:50,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:23:50,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:23:50,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:23:47" (1/3) ... [2020-10-27 02:23:50,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dee684d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:23:50, skipping insertion in model container [2020-10-27 02:23:50,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:23:48" (2/3) ... [2020-10-27 02:23:50,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dee684d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:23:50, skipping insertion in model container [2020-10-27 02:23:50,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:23:50" (3/3) ... [2020-10-27 02:23:50,872 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product21.cil.c [2020-10-27 02:23:50,884 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:23:50,890 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:23:50,904 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:23:50,937 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:23:50,937 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:23:50,937 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:23:50,938 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:23:50,938 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:23:50,938 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:23:50,938 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:23:50,938 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:23:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states. [2020-10-27 02:23:51,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 02:23:51,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:23:51,012 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:23:51,012 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 02:23:51,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:23:51,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1963027651, now seen corresponding path program 1 times [2020-10-27 02:23:51,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:23:51,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616911135] [2020-10-27 02:23:51,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:23:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:51,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:52,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:54,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:55,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:55,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:56,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:56,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 02:23:56,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:23:56,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5095 [2020-10-27 02:23:56,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 02:23:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 02:23:56,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:23:58,036 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:23:58,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:23:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:58,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:58,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:58,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:58,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:58,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-27 02:23:58,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:58,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:58,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:58,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:23:58,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:58,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:58,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:58,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:58,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:58,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:58,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:58,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:58,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:58,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:23:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:58,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:58,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:58,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:58,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:58,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:58,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:58,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:23:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:58,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:58,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:58,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:58,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:58,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:58,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:58,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:58,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:23:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:58,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:58,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:58,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:23:58,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:58,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:58,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:23:58,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:58,510 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:23:58,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:23:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:58,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:58,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:58,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:23:58,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:58,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 02:23:58,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:58,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:58,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:58,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:23:58,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:58,783 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:23:58,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:58,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:58,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:58,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:58,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:23:58,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:23:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:58,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:58,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:58,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:23:59,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:23:59,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-10-27 02:23:59,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:23:59,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:59,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:59,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:59,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:59,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:23:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:23:59,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:23:59,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:59,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:59,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:23:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:59,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:59,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:59,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:59,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:23:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:23:59,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:23:59,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:59,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:23:59,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:59,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:59,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:59,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:59,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:23:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:59,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:59,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:59,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:23:59,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:23:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:23:59,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 02:23:59,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:23:59,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:23:59,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 02:23:59,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 02:23:59,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:23:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:59,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:23:59,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:59,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:23:59,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:23:59,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:23:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:59,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:23:59,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:23:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:23:59,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 02:23:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:23:59,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 02:23:59,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 02:23:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:59,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:23:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:23:59,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:59,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:59,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:23:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:23:59,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:59,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:59,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:23:59,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:59,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 02:23:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:23:59,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:23:59,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:23:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:59,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 02:23:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:23:59,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:23:59,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:23:59,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:23:59,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:23:59,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:23:59,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:23:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:23:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:23:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:23:59,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:23:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 02:23:59,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616911135] [2020-10-27 02:23:59,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:23:59,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 02:23:59,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18738125] [2020-10-27 02:23:59,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 02:23:59,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:23:59,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 02:23:59,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:23:59,726 INFO L87 Difference]: Start difference. First operand 797 states. Second operand 11 states. [2020-10-27 02:24:01,625 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:24:02,260 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:24:04,132 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:24:05,987 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:24:07,299 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:24:09,007 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:24:09,600 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:24:10,839 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:24:15,576 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:24:29,857 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:24:30,945 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:24:32,035 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:24:32,690 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:24:33,676 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:24:35,866 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:24:36,522 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:24:37,414 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:24:45,264 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:25:06,615 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:25:15,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:25:15,553 INFO L93 Difference]: Finished difference Result 3185 states and 5850 transitions. [2020-10-27 02:25:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 02:25:15,559 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2020-10-27 02:25:15,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:25:15,617 INFO L225 Difference]: With dead ends: 3185 [2020-10-27 02:25:15,618 INFO L226 Difference]: Without dead ends: 2502 [2020-10-27 02:25:15,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 02:25:15,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2020-10-27 02:25:16,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 1693. [2020-10-27 02:25:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1693 states. [2020-10-27 02:25:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2773 transitions. [2020-10-27 02:25:16,290 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2773 transitions. Word has length 133 [2020-10-27 02:25:16,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:25:16,292 INFO L481 AbstractCegarLoop]: Abstraction has 1693 states and 2773 transitions. [2020-10-27 02:25:16,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 02:25:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2773 transitions. [2020-10-27 02:25:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 02:25:16,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:25:16,309 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:25:16,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:25:16,310 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 02:25:16,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:25:16,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1877144204, now seen corresponding path program 1 times [2020-10-27 02:25:16,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:25:16,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040889958] [2020-10-27 02:25:16,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:25:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:16,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:16,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:16,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:16,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:17,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:17,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:17,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:20,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:21,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:21,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 02:25:21,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:25:21,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-27 02:25:21,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:25:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 02:25:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 02:25:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:22,557 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:25:22,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:25:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:22,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:22,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:22,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:22,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:22,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 02:25:22,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:22,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:22,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:22,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:22,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:22,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:22,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:22,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:22,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:22,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:22,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:22,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:22,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:22,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:22,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:22,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:22,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:25:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:22,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:22,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:22,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:22,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:22,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:22,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:22,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:22,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:25:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:22,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:22,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:22,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:22,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:22,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:22,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:22,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:22,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:25:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:22,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:22,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:22,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:25:22,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:22,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:25:22,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:22,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:22,969 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:25:22,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:25:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:22,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:25:23,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 02:25:23,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:23,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:25:23,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,173 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:25:23,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:23,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:25:23,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:25:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:25:23,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:25:23,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-27 02:25:23,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:25:23,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:23,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:23,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:23,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:23,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:25:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:25:23,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:25:23,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:23,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:25:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:23,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:25:23,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:23,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:25:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:25:23,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:25:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 02:25:23,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:25:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:25:23,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:23,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:23,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:25:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:25:23,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:25:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:23,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:23,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:25:23,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:25:23,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:25:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:25:23,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:25:23,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:25:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:25:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:25:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:25:23,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:25:23,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:25:23,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:23,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:25:23,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:25:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:25:23,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 02:25:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:25:23,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:25:23,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 02:25:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:23,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:25:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:25:23,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:23,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:23,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:25:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:23,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:23,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:23,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:25:23,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:23,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:23,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:25:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:23,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:24,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 02:25:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:24,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:24,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:24,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:25:24,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:24,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:25:24,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:25:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:24,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 02:25:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:25:24,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:25:24,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:25:24,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:25:24,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:25:24,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:25:24,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:25:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:25:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:25:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:25:24,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:25:24,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 02:25:24,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040889958] [2020-10-27 02:25:24,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:25:24,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 02:25:24,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197322832] [2020-10-27 02:25:24,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 02:25:24,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:25:24,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 02:25:24,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:25:24,090 INFO L87 Difference]: Start difference. First operand 1693 states and 2773 transitions. Second operand 15 states. [2020-10-27 02:25:26,436 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:25:26,926 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:28,003 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:25:29,838 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:25:30,970 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:25:31,230 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:25:31,461 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:25:33,176 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:25:34,328 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:25:35,668 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:25:37,385 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:25:39,037 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:25:40,524 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:40,889 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:25:42,630 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:25:42,877 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:25:43,105 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:25:44,881 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:25:45,981 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:25:46,539 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:25:47,925 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:25:48,314 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:25:50,446 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:25:52,466 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:25:52,940 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:54,132 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:25:54,484 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:25:55,070 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:25:56,261 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:25:57,239 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:26:00,042 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:26:00,305 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:26:00,544 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 02:26:02,227 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:26:05,344 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 02:26:05,866 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:26:49,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:26:49,474 INFO L93 Difference]: Finished difference Result 7990 states and 15135 transitions. [2020-10-27 02:26:49,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-27 02:26:49,475 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 134 [2020-10-27 02:26:49,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:26:49,535 INFO L225 Difference]: With dead ends: 7990 [2020-10-27 02:26:49,536 INFO L226 Difference]: Without dead ends: 6331 [2020-10-27 02:26:49,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 21.8s TimeCoverageRelationStatistics Valid=812, Invalid=3348, Unknown=0, NotChecked=0, Total=4160 [2020-10-27 02:26:49,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6331 states. [2020-10-27 02:26:50,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6331 to 4727. [2020-10-27 02:26:50,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4727 states. [2020-10-27 02:26:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4727 states to 4727 states and 7714 transitions. [2020-10-27 02:26:50,992 INFO L78 Accepts]: Start accepts. Automaton has 4727 states and 7714 transitions. Word has length 134 [2020-10-27 02:26:50,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:26:50,993 INFO L481 AbstractCegarLoop]: Abstraction has 4727 states and 7714 transitions. [2020-10-27 02:26:50,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 02:26:50,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4727 states and 7714 transitions. [2020-10-27 02:26:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-27 02:26:51,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:26:51,003 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:26:51,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:26:51,004 INFO L429 AbstractCegarLoop]: === Iteration 3 === [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 02:26:51,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:26:51,004 INFO L82 PathProgramCache]: Analyzing trace with hash 436343760, now seen corresponding path program 1 times [2020-10-27 02:26:51,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:26:51,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740405733] [2020-10-27 02:26:51,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:26:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:51,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:51,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:51,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:51,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:52,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:52,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:56,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:56,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 02:26:56,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:26:56,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-27 02:26:56,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:56,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 02:26:56,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 02:26:56,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 02:26:56,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:57,438 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:26:57,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:26:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:57,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:57,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:57,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:26:57,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 02:26:57,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:57,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:26:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:57,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:57,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:57,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:26:57,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:57,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:26:57,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:57,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:57,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:26:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:57,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:57,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:57,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:26:57,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:57,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:26:57,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:57,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:57,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:57,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:26:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:57,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:57,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:57,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:26:57,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:26:57,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:57,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:26:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:57,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:57,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:57,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:26:57,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:57,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:26:57,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:57,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:57,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:57,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:57,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:57,740 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 02:26:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:26:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:57,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:57,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:57,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:26:57,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:57,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 02:26:57,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:57,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:26:57,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:57,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:26:57,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:57,927 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:26:57,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:26:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:57,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:57,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:57,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:26:57,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:57,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:26:57,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:57,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:26:57,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:57,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:26:57,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:57,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 02:26:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:57,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:57,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:57,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:26:58,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:26:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-27 02:26:58,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:26:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:26:58,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:26:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:26:58,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:26:58,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:26:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:26:58,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:26:58,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:26:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:26:58,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:26:58,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 02:26:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:26:58,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:26:58,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:26:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 02:26:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:26:58,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:26:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:26:58,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:26:58,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:26:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:26:58,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:26:58,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:26:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:26:58,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 02:26:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:26:58,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:26:58,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 02:26:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:26:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:26:58,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:26:58,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:26:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:26:58,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:26:58,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 02:26:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 02:26:58,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:26:58,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 02:26:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:26:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:26:58,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:26:58,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:26:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:26:58,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:26:58,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:26:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:26:58,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:26:58,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:26:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 02:26:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:26:58,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:26:58,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:26:58,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:26:58,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 02:26:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:26:58,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 02:26:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:26:58,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:26:58,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:26:58,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:26:58,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:26:58,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:26:58,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:26:58,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:26:58,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:26:58,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:26:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:26:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 02:26:58,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740405733] [2020-10-27 02:26:58,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:26:58,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 02:26:58,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480216018] [2020-10-27 02:26:58,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 02:26:58,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:26:58,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 02:26:58,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-27 02:26:58,701 INFO L87 Difference]: Start difference. First operand 4727 states and 7714 transitions. Second operand 14 states. [2020-10-27 02:27:00,843 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:27:01,278 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:27:02,352 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:27:04,086 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-27 02:27:05,257 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:27:05,730 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 149 [2020-10-27 02:27:06,175 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 149 [2020-10-27 02:27:07,898 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:27:09,676 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:27:10,691 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:27:10,949 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:27:11,111 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:27:11,759 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 02:27:12,907 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:27:13,154 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:27:14,373 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:27:14,555 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:27:14,739 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 02:27:14,922 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:27:16,085 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:27:17,592 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:27:18,729 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:27:19,116 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:27:20,025 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 02:27:20,274 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:27:20,822 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 02:27:21,074 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:27:23,860 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:27:24,169 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:27:27,389 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:27:27,943 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:27:32,593 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-27 02:27:34,111 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 118