java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/elevator_spec14_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:00:18,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:00:18,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:00:18,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:00:18,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:00:18,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:00:18,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:00:18,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:00:18,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:00:18,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:00:18,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:00:18,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:00:18,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:00:18,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:00:18,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:00:18,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:00:18,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:00:18,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:00:18,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:00:18,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:00:18,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:00:18,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:00:18,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:00:18,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:00:18,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:00:18,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:00:18,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:00:18,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:00:18,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:00:18,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:00:18,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:00:18,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:00:18,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:00:18,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:00:18,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:00:18,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:00:18,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:00:18,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:00:18,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:00:18,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:00:18,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:00:18,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:00:18,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:00:18,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:00:18,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:00:18,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:00:18,469 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:00:18,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:00:18,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:00:18,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:00:18,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:00:18,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:00:18,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:00:18,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:00:18,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:00:18,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:00:18,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:00:18,472 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:00:18,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:00:18,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:00:18,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:00:18,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:00:18,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:00:18,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:00:18,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:00:18,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:00:18,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:00:18,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:00:18,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:00:18,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:00:18,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:00:18,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:00:18,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:00:18,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:00:18,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:00:18,769 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:00:18,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product11.cil.c [2019-10-07 14:00:18,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ccd122fd/a22a264c9e3441a7b83dc9d18298cae6/FLAG61b7a7595 [2019-10-07 14:00:19,487 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:00:19,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_product11.cil.c [2019-10-07 14:00:19,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ccd122fd/a22a264c9e3441a7b83dc9d18298cae6/FLAG61b7a7595 [2019-10-07 14:00:19,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ccd122fd/a22a264c9e3441a7b83dc9d18298cae6 [2019-10-07 14:00:19,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:00:19,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:00:19,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:00:19,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:00:19,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:00:19,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:00:19" (1/1) ... [2019-10-07 14:00:19,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42247b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:19, skipping insertion in model container [2019-10-07 14:00:19,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:00:19" (1/1) ... [2019-10-07 14:00:19,718 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:00:19,794 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:00:20,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:00:20,554 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:00:20,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:00:20,746 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:00:20,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:20 WrapperNode [2019-10-07 14:00:20,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:00:20,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:00:20,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:00:20,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:00:20,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:20" (1/1) ... [2019-10-07 14:00:20,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:20" (1/1) ... [2019-10-07 14:00:20,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:20" (1/1) ... [2019-10-07 14:00:20,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:20" (1/1) ... [2019-10-07 14:00:20,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:20" (1/1) ... [2019-10-07 14:00:20,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:20" (1/1) ... [2019-10-07 14:00:20,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:20" (1/1) ... [2019-10-07 14:00:20,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:00:20,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:00:20,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:00:20,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:00:20,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-07 14:00:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:00:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:00:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:00:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:00:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:00:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:00:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:00:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:00:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:00:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:00:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:00:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:00:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:00:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-10-07 14:00:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:00:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:00:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:00:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:00:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:00:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:00:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:00:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:00:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:00:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:00:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:00:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:00:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:00:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:00:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:00:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:00:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:00:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:00:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:00:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:00:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:00:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:00:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:00:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:00:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:00:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:00:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:00:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:00:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:00:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:00:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:00:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:00:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:00:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:00:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:00:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:00:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:00:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:00:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:00:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:00:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:00:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:00:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:00:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:00:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:00:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:00:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:00:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:00:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:00:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:00:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:00:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:00:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:00:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:00:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:00:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:00:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:00:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:00:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:00:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:00:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:00:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:00:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:00:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:00:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:00:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:00:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:00:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:00:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:00:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:00:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:00:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:00:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:00:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:00:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:00:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:00:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:00:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:00:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:00:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:00:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:00:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:00:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-10-07 14:00:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:00:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:00:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:00:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:00:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:00:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:00:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:00:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:00:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:00:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:00:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:00:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:00:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:00:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:00:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:00:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:00:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:00:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:00:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:00:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:00:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:00:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:00:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:00:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:00:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:00:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:00:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:00:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:00:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:00:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:00:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:00:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:00:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:00:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:00:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:00:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:00:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:00:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:00:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:00:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:00:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:00:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:00:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:00:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:00:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:00:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:00:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:00:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:00:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:00:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:00:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:00:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:00:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:00:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:00:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:00:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:00:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:00:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:00:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:00:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:00:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:00:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:00:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:00:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:00:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:00:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:00:26,173 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:00:26,174 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:00:26,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:00:26 BoogieIcfgContainer [2019-10-07 14:00:26,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:00:26,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:00:26,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:00:26,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:00:26,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:00:19" (1/3) ... [2019-10-07 14:00:26,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c112015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:00:26, skipping insertion in model container [2019-10-07 14:00:26,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:00:20" (2/3) ... [2019-10-07 14:00:26,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c112015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:00:26, skipping insertion in model container [2019-10-07 14:00:26,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:00:26" (3/3) ... [2019-10-07 14:00:26,183 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product11.cil.c [2019-10-07 14:00:26,193 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:00:26,204 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:00:26,217 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:00:26,256 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:00:26,256 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:00:26,256 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:00:26,257 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:00:26,257 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:00:26,257 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:00:26,257 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:00:26,257 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:00:26,298 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states. [2019-10-07 14:00:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-07 14:00:26,326 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:00:26,327 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:00:26,329 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:00:26,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:00:26,335 INFO L82 PathProgramCache]: Analyzing trace with hash 546404040, now seen corresponding path program 1 times [2019-10-07 14:00:26,344 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:00:26,344 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:26,345 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:26,345 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:00:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:00:27,098 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:27,099 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:00:27,099 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 14:00:27,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 14:00:27,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 14:00:27,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:00:27,120 INFO L87 Difference]: Start difference. First operand 535 states. Second operand 5 states. [2019-10-07 14:00:28,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:00:28,107 INFO L93 Difference]: Finished difference Result 1207 states and 1831 transitions. [2019-10-07 14:00:28,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 14:00:28,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2019-10-07 14:00:28,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:00:28,134 INFO L225 Difference]: With dead ends: 1207 [2019-10-07 14:00:28,135 INFO L226 Difference]: Without dead ends: 794 [2019-10-07 14:00:28,144 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:00:28,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2019-10-07 14:00:28,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 787. [2019-10-07 14:00:28,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2019-10-07 14:00:28,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1184 transitions. [2019-10-07 14:00:28,305 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1184 transitions. Word has length 110 [2019-10-07 14:00:28,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:00:28,306 INFO L462 AbstractCegarLoop]: Abstraction has 787 states and 1184 transitions. [2019-10-07 14:00:28,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 14:00:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1184 transitions. [2019-10-07 14:00:28,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-07 14:00:28,313 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:00:28,313 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:00:28,314 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:00:28,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:00:28,314 INFO L82 PathProgramCache]: Analyzing trace with hash 330514878, now seen corresponding path program 1 times [2019-10-07 14:00:28,314 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:00:28,315 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:28,315 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:28,315 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:28,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:00:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:00:28,579 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:28,579 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:00:28,580 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:00:28,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:00:28,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:00:28,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:00:28,597 INFO L87 Difference]: Start difference. First operand 787 states and 1184 transitions. Second operand 7 states. [2019-10-07 14:00:29,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:00:29,801 INFO L93 Difference]: Finished difference Result 919 states and 1346 transitions. [2019-10-07 14:00:29,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 14:00:29,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2019-10-07 14:00:29,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:00:29,824 INFO L225 Difference]: With dead ends: 919 [2019-10-07 14:00:29,824 INFO L226 Difference]: Without dead ends: 916 [2019-10-07 14:00:29,827 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:00:29,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2019-10-07 14:00:29,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 908. [2019-10-07 14:00:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2019-10-07 14:00:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1334 transitions. [2019-10-07 14:00:29,910 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1334 transitions. Word has length 114 [2019-10-07 14:00:29,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:00:29,912 INFO L462 AbstractCegarLoop]: Abstraction has 908 states and 1334 transitions. [2019-10-07 14:00:29,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:00:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1334 transitions. [2019-10-07 14:00:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 14:00:29,928 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:00:29,928 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:00:29,929 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:00:29,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:00:29,929 INFO L82 PathProgramCache]: Analyzing trace with hash -685253192, now seen corresponding path program 1 times [2019-10-07 14:00:29,930 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:00:29,930 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:29,930 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:29,930 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:29,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:00:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:30,146 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-10-07 14:00:30,147 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:30,147 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:00:30,147 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 14:00:30,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 14:00:30,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 14:00:30,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:00:30,150 INFO L87 Difference]: Start difference. First operand 908 states and 1334 transitions. Second operand 5 states. [2019-10-07 14:00:30,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:00:30,216 INFO L93 Difference]: Finished difference Result 1795 states and 2655 transitions. [2019-10-07 14:00:30,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:00:30,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2019-10-07 14:00:30,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:00:30,225 INFO L225 Difference]: With dead ends: 1795 [2019-10-07 14:00:30,225 INFO L226 Difference]: Without dead ends: 918 [2019-10-07 14:00:30,232 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:00:30,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2019-10-07 14:00:30,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2019-10-07 14:00:30,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2019-10-07 14:00:30,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1344 transitions. [2019-10-07 14:00:30,283 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1344 transitions. Word has length 150 [2019-10-07 14:00:30,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:00:30,284 INFO L462 AbstractCegarLoop]: Abstraction has 918 states and 1344 transitions. [2019-10-07 14:00:30,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 14:00:30,284 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1344 transitions. [2019-10-07 14:00:30,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-07 14:00:30,288 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:00:30,288 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 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] [2019-10-07 14:00:30,288 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:00:30,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:00:30,289 INFO L82 PathProgramCache]: Analyzing trace with hash -59087556, now seen corresponding path program 1 times [2019-10-07 14:00:30,289 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:00:30,289 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:30,290 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:30,290 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:00:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:30,560 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-07 14:00:30,560 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:30,561 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:00:30,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:00:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:31,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 2877 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:00:31,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:00:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-07 14:00:31,252 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:00:31,447 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-07 14:00:31,448 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 14:00:31,448 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 4] total 10 [2019-10-07 14:00:31,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:00:31,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:00:31,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-07 14:00:31,449 INFO L87 Difference]: Start difference. First operand 918 states and 1344 transitions. Second operand 4 states. [2019-10-07 14:00:31,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:00:31,711 INFO L93 Difference]: Finished difference Result 1883 states and 2821 transitions. [2019-10-07 14:00:31,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:00:31,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2019-10-07 14:00:31,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:00:31,720 INFO L225 Difference]: With dead ends: 1883 [2019-10-07 14:00:31,720 INFO L226 Difference]: Without dead ends: 996 [2019-10-07 14:00:31,725 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 309 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-10-07 14:00:31,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2019-10-07 14:00:31,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 996. [2019-10-07 14:00:31,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2019-10-07 14:00:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1490 transitions. [2019-10-07 14:00:31,777 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1490 transitions. Word has length 155 [2019-10-07 14:00:31,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:00:31,778 INFO L462 AbstractCegarLoop]: Abstraction has 996 states and 1490 transitions. [2019-10-07 14:00:31,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:00:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1490 transitions. [2019-10-07 14:00:31,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:00:31,784 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:00:31,784 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 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] [2019-10-07 14:00:32,001 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:00:32,001 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:00:32,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:00:32,002 INFO L82 PathProgramCache]: Analyzing trace with hash -2056920944, now seen corresponding path program 1 times [2019-10-07 14:00:32,002 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:00:32,002 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:32,002 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:32,002 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:32,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:00:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-07 14:00:32,243 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:32,243 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:00:32,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:00:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:32,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 2882 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:00:32,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:00:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-07 14:00:32,775 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:00:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-07 14:00:32,971 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 14:00:32,971 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 7 [2019-10-07 14:00:32,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:00:32,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:00:32,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:00:32,972 INFO L87 Difference]: Start difference. First operand 996 states and 1490 transitions. Second operand 4 states. [2019-10-07 14:00:33,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:00:33,246 INFO L93 Difference]: Finished difference Result 2039 states and 3111 transitions. [2019-10-07 14:00:33,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:00:33,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2019-10-07 14:00:33,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:00:33,256 INFO L225 Difference]: With dead ends: 2039 [2019-10-07 14:00:33,256 INFO L226 Difference]: Without dead ends: 1074 [2019-10-07 14:00:33,263 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 317 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:00:33,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2019-10-07 14:00:33,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1074. [2019-10-07 14:00:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1074 states. [2019-10-07 14:00:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1636 transitions. [2019-10-07 14:00:33,376 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1636 transitions. Word has length 160 [2019-10-07 14:00:33,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:00:33,376 INFO L462 AbstractCegarLoop]: Abstraction has 1074 states and 1636 transitions. [2019-10-07 14:00:33,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:00:33,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1636 transitions. [2019-10-07 14:00:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-07 14:00:33,384 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:00:33,384 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 3, 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] [2019-10-07 14:00:33,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:00:33,594 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:00:33,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:00:33,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1390275776, now seen corresponding path program 1 times [2019-10-07 14:00:33,595 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:00:33,595 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:33,595 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:33,595 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:33,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:00:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:33,801 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 14:00:33,802 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:33,802 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:00:33,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:00:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:34,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 2886 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:00:34,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:00:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:00:34,472 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:00:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 14:00:34,624 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 14:00:34,625 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 7 [2019-10-07 14:00:34,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:00:34,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:00:34,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:00:34,627 INFO L87 Difference]: Start difference. First operand 1074 states and 1636 transitions. Second operand 4 states. [2019-10-07 14:00:34,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:00:34,866 INFO L93 Difference]: Finished difference Result 2195 states and 3401 transitions. [2019-10-07 14:00:34,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:00:34,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2019-10-07 14:00:34,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:00:34,877 INFO L225 Difference]: With dead ends: 2195 [2019-10-07 14:00:34,878 INFO L226 Difference]: Without dead ends: 1152 [2019-10-07 14:00:34,884 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 325 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:00:34,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2019-10-07 14:00:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1152. [2019-10-07 14:00:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states. [2019-10-07 14:00:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1782 transitions. [2019-10-07 14:00:34,969 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1782 transitions. Word has length 164 [2019-10-07 14:00:34,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:00:34,971 INFO L462 AbstractCegarLoop]: Abstraction has 1152 states and 1782 transitions. [2019-10-07 14:00:34,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:00:34,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1782 transitions. [2019-10-07 14:00:34,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-07 14:00:34,981 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:00:34,982 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 3, 3, 3, 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] [2019-10-07 14:00:35,192 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:00:35,192 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:00:35,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:00:35,193 INFO L82 PathProgramCache]: Analyzing trace with hash -589313700, now seen corresponding path program 1 times [2019-10-07 14:00:35,194 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:00:35,194 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:35,194 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:35,195 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:00:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-10-07 14:00:35,475 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:35,475 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:00:35,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:00:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:35,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:00:35,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:00:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-07 14:00:36,021 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:00:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-10-07 14:00:36,195 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 14:00:36,195 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 7 [2019-10-07 14:00:36,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:00:36,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:00:36,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:00:36,198 INFO L87 Difference]: Start difference. First operand 1152 states and 1782 transitions. Second operand 4 states. [2019-10-07 14:00:36,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:00:36,423 INFO L93 Difference]: Finished difference Result 2351 states and 3691 transitions. [2019-10-07 14:00:36,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:00:36,424 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2019-10-07 14:00:36,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:00:36,433 INFO L225 Difference]: With dead ends: 2351 [2019-10-07 14:00:36,433 INFO L226 Difference]: Without dead ends: 1230 [2019-10-07 14:00:36,440 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 331 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:00:36,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2019-10-07 14:00:36,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1230. [2019-10-07 14:00:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1230 states. [2019-10-07 14:00:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1928 transitions. [2019-10-07 14:00:36,500 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1928 transitions. Word has length 167 [2019-10-07 14:00:36,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:00:36,500 INFO L462 AbstractCegarLoop]: Abstraction has 1230 states and 1928 transitions. [2019-10-07 14:00:36,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:00:36,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1928 transitions. [2019-10-07 14:00:36,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-07 14:00:36,506 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:00:36,507 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:00:36,724 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:00:36,725 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:00:36,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:00:36,725 INFO L82 PathProgramCache]: Analyzing trace with hash 688319882, now seen corresponding path program 1 times [2019-10-07 14:00:36,725 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:00:36,725 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:36,726 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:36,726 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:00:36,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:00:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-07 14:00:37,025 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:00:37,025 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:00:37,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:00:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:00:37,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 2885 conjuncts, 31 conjunts are in the unsatisfiable core [2019-10-07 14:00:37,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:00:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-10-07 14:00:37,623 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:00:37,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:00:37,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:00:37,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:00:37,827 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:00:37,937 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-07 14:00:37,938 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:00:37,990 INFO L162 IcfgInterpreter]: Started Sifa with 131 locations of interest [2019-10-07 14:00:37,990 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:00:37,998 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:00:38,011 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:00:38,011 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:01:25,318 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 750 [2019-10-07 14:01:30,295 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 405 DAG size of output: 327 [2019-10-07 14:01:30,666 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 836 [2019-10-07 14:01:31,001 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 836 [2019-10-07 14:01:31,224 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 836 [2019-10-07 14:01:31,756 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 14:01:32,238 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 14:01:32,669 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 14:01:33,213 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 14:01:34,101 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 1014 DAG size of output: 1012 [2019-10-07 14:01:34,540 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 14:01:35,080 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 14:01:35,499 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 14:01:35,958 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 14:01:36,497 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 14:01:36,524 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 370 for LOIs [2019-10-07 14:01:36,755 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:01:36,868 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:01:37,191 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 895 [2019-10-07 14:01:37,192 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1056 for LOIs [2019-10-07 14:01:37,661 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:38,069 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:38,895 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:39,324 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:39,741 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:39,858 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:01:40,585 WARN L191 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:41,072 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:41,492 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:41,693 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:01:42,365 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:43,200 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 1210 DAG size of output: 1056 [2019-10-07 14:01:43,623 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:43,786 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:01:44,474 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:44,941 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:45,351 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:46,123 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:46,592 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:47,009 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:47,119 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:01:47,795 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:48,205 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:48,622 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:49,415 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:49,834 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:50,296 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:51,081 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:51,489 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:51,897 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:52,004 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:01:52,668 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:53,079 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:53,491 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:53,599 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:01:54,300 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:54,716 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:55,130 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:55,300 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:01:55,988 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:56,412 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:56,822 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:56,925 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:01:57,600 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:58,008 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:58,439 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:01:58,541 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:01:59,215 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:01:59,976 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:00,676 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:00,792 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:02:01,468 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:02,715 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:02:03,395 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:04,178 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:04,868 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:05,579 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:06,373 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:07,118 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:02:07,793 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:02:07,899 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:02:08,594 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:09,893 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1212 [2019-10-07 14:02:10,597 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:10,710 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:02:11,413 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:12,638 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1210 [2019-10-07 14:02:13,327 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:02:13,433 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:02:14,132 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:14,819 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:02:15,521 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:02:15,649 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:02:16,326 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:17,021 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:17,695 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:17,805 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:02:18,487 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:02:19,211 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:19,894 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:20,714 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:02:21,904 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1216 DAG size of output: 1212 [2019-10-07 14:02:22,602 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:22,728 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:02:23,411 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:02:24,100 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:24,792 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:25,587 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:02:26,873 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:02:27,545 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:27,662 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:02:28,344 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:29,576 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:02:30,254 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:31,048 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:31,737 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:32,413 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:33,197 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:34,103 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:34,795 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:34,910 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:02:35,591 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:37,020 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1210 [2019-10-07 14:02:37,705 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:02:38,499 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:39,757 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1210 [2019-10-07 14:02:40,446 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:02:40,553 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:02:41,251 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:42,496 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1219 DAG size of output: 1212 [2019-10-07 14:02:43,189 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:43,302 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:02:43,982 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:02:45,222 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1221 DAG size of output: 1214 [2019-10-07 14:02:45,909 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:02:46,020 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:02:46,714 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:02:48,259 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:02:48,930 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:49,715 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:50,940 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:02:51,630 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:51,745 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:02:52,422 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:53,108 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:53,772 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:53,876 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:02:54,559 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:55,817 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:02:56,500 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:57,285 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:58,536 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:02:59,214 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:02:59,996 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:00,683 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:01,347 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:02,149 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:02,854 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:03,531 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:03,640 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:04,324 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:05,567 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1210 [2019-10-07 14:03:06,245 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:03:06,361 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:07,046 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:08,270 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1210 [2019-10-07 14:03:08,955 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:03:09,730 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:11,108 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1219 DAG size of output: 1212 [2019-10-07 14:03:11,802 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:11,917 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:12,618 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:13,890 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1221 DAG size of output: 1214 [2019-10-07 14:03:14,573 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:03:14,693 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:15,387 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:03:16,690 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1221 DAG size of output: 1214 [2019-10-07 14:03:17,398 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:03:17,616 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:18,308 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:03:19,599 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1221 DAG size of output: 1214 [2019-10-07 14:03:20,288 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:03:21,075 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:03:22,332 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:03:23,018 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:23,127 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:03:23,810 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:25,048 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:03:25,726 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:25,847 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:03:26,516 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:27,218 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:27,917 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:28,022 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:03:28,705 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:29,962 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1210 [2019-10-07 14:03:30,659 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:03:30,784 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:31,471 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:32,163 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:32,842 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:32,952 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:33,639 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:34,844 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1210 [2019-10-07 14:03:35,540 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:03:35,645 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:36,329 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:37,582 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1219 DAG size of output: 1212 [2019-10-07 14:03:38,290 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:38,402 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:39,098 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:40,357 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1221 DAG size of output: 1214 [2019-10-07 14:03:41,053 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:03:41,162 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:41,857 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1214 [2019-10-07 14:03:43,124 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:03:43,812 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:44,593 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:45,856 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:03:46,548 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:47,330 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:48,612 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:03:49,301 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:50,104 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:51,355 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:03:52,046 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:52,846 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:53,553 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:54,245 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:55,034 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:03:55,762 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:56,455 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:56,567 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:03:57,246 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:58,540 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1212 [2019-10-07 14:03:59,226 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:03:59,338 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:04:00,030 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:04:01,317 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:04:02,010 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:04:02,121 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:04:02,798 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:04:04,063 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1208 [2019-10-07 14:04:04,745 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:04:05,528 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:04:06,204 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:04:06,905 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:04:07,008 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:04:07,708 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:04:08,995 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1210 [2019-10-07 14:04:09,698 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:04:09,810 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:04:10,514 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:04:11,227 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:04:11,940 WARN L191 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:04:12,064 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:04:12,766 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:04:14,043 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1210 [2019-10-07 14:04:14,750 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 1210 [2019-10-07 14:04:14,855 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:04:15,557 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:04:16,834 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1219 DAG size of output: 1212 [2019-10-07 14:04:17,547 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:04:17,665 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-10-07 14:04:18,366 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1212 [2019-10-07 14:04:18,381 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1078 for LOIs [2019-10-07 14:04:18,848 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:04:19,321 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:04:19,425 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:04:20,146 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:04:20,159 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 1030 for LOIs [2019-10-07 14:04:20,549 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 1030 [2019-10-07 14:04:20,939 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 1030 [2019-10-07 14:04:21,047 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-07 14:04:22,194 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 14:04:22,453 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:04:22,454 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:04:22,460 INFO L168 Benchmark]: Toolchain (without parser) took 242755.00 ms. Allocated memory was 144.7 MB in the beginning and 699.9 MB in the end (delta: 555.2 MB). Free memory was 99.5 MB in the beginning and 454.1 MB in the end (delta: -354.6 MB). Peak memory consumption was 200.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:04:22,460 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:04:22,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1041.57 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.3 MB in the beginning and 142.5 MB in the end (delta: -43.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:04:22,461 INFO L168 Benchmark]: Boogie Preprocessor took 168.70 ms. Allocated memory is still 202.4 MB. Free memory was 142.5 MB in the beginning and 133.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:04:22,461 INFO L168 Benchmark]: RCFGBuilder took 5258.66 ms. Allocated memory was 202.4 MB in the beginning and 303.6 MB in the end (delta: 101.2 MB). Free memory was 133.4 MB in the beginning and 232.3 MB in the end (delta: -98.9 MB). Peak memory consumption was 161.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:04:22,462 INFO L168 Benchmark]: TraceAbstraction took 236281.26 ms. Allocated memory was 303.6 MB in the beginning and 699.9 MB in the end (delta: 396.4 MB). Free memory was 232.3 MB in the beginning and 454.1 MB in the end (delta: -221.8 MB). Peak memory consumption was 174.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:04:22,463 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1041.57 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.3 MB in the beginning and 142.5 MB in the end (delta: -43.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 168.70 ms. Allocated memory is still 202.4 MB. Free memory was 142.5 MB in the beginning and 133.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5258.66 ms. Allocated memory was 202.4 MB in the beginning and 303.6 MB in the end (delta: 101.2 MB). Free memory was 133.4 MB in the beginning and 232.3 MB in the end (delta: -98.9 MB). Peak memory consumption was 161.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 236281.26 ms. Allocated memory was 303.6 MB in the beginning and 699.9 MB in the end (delta: 396.4 MB). Free memory was 232.3 MB in the beginning and 454.1 MB in the end (delta: -221.8 MB). Peak memory consumption was 174.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...