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_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:18:40,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:18:40,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:18:40,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:18:40,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:18:40,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:18:40,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:18:40,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:18:40,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:18:40,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:18:40,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:18:40,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:18:40,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:18:40,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:18:40,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:18:40,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:18:40,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:18:40,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:18:40,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:18:40,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:18:40,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:18:40,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:18:40,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:18:40,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:18:40,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:18:40,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:18:40,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:18:40,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:18:40,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:18:40,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:18:40,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:18:40,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:18:40,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:18:40,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:18:40,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:18:40,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:18:40,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:18:40,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:18:40,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:18:40,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:18:40,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:18:40,731 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 14:18:40,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:18:40,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:18:40,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:18:40,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:18:40,760 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:18:40,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:18:40,761 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:18:40,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:18:40,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:18:40,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:18:40,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:18:40,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:18:40,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:18:40,762 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:18:40,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:18:40,762 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:18:40,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:18:40,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:18:40,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:18:40,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:18:40,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:18:40,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:18:40,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:18:40,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:18:40,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:18:40,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:18:40,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:18:40,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:18:40,765 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 14:18:41,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:18:41,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:18:41,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:18:41,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:18:41,071 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:18:41,072 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c [2019-10-07 14:18:41,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865eac893/786c2a03c35e4b3f9010fc890921f48b/FLAG710645a7f [2019-10-07 14:18:41,814 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:18:41,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c [2019-10-07 14:18:41,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865eac893/786c2a03c35e4b3f9010fc890921f48b/FLAG710645a7f [2019-10-07 14:18:41,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865eac893/786c2a03c35e4b3f9010fc890921f48b [2019-10-07 14:18:42,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:18:42,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:18:42,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:18:42,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:18:42,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:18:42,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:18:41" (1/1) ... [2019-10-07 14:18:42,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f84d9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:42, skipping insertion in model container [2019-10-07 14:18:42,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:18:41" (1/1) ... [2019-10-07 14:18:42,023 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:18:42,110 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:18:42,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:18:42,913 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:18:43,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:18:43,135 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:18:43,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:43 WrapperNode [2019-10-07 14:18:43,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:18:43,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:18:43,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:18:43,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:18:43,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:43" (1/1) ... [2019-10-07 14:18:43,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:43" (1/1) ... [2019-10-07 14:18:43,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:43" (1/1) ... [2019-10-07 14:18:43,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:43" (1/1) ... [2019-10-07 14:18:43,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:43" (1/1) ... [2019-10-07 14:18:43,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:43" (1/1) ... [2019-10-07 14:18:43,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:43" (1/1) ... [2019-10-07 14:18:43,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:18:43,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:18:43,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:18:43,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:18:43,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:43" (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 14:18:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:18:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:18:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:18:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:18:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:18:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:18:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:18:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:18:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:18:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:18:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:18:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:18:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:18:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:18:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:18:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:18:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:18:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:18:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:18:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:18:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:18:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:18:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:18:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:18:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:18:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:18:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:18:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-07 14:18:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:18:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:18:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:18:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:18:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-07 14:18:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:18:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:18:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:18:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:18:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-07 14:18:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:18:43,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-07 14:18:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:18:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:18:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:18:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:18:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 14:18:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 14:18:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-07 14:18:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-07 14:18:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:18:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:18:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:18:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:18:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:18:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:18:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:18:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:18:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:18:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:18:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:18:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:18:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:18:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:18:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:18:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:18:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:18:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:18:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:18:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:18:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:18:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:18:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:18:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:18:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:18:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:18:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:18:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:18:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:18:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:18:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:18:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:18:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:18:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:18:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:18:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:18:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:18:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:18:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:18:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:18:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:18:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:18:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:18:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:18:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:18:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:18:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:18:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:18:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:18:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:18:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:18:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:18:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:18:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:18:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:18:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:18:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:18:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:18:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:18:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:18:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:18:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:18:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:18:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:18:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 14:18:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:18:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:18:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:18:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:18:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-07 14:18:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:18:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:18:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:18:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-07 14:18:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:18:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:18:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:18:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:18:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-07 14:18:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-07 14:18:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-07 14:18:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:18:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:18:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:18:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 14:18:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-07 14:18:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:18:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:18:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:18:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:18:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:18:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:18:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:18:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:18:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:18:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:18:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:18:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:18:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:18:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:18:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:18:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:18:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:18:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:18:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:18:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:18:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:18:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:18:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:18:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:18:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:18:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:18:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:18:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:18:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:18:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:18:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:18:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:18:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:18:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:18:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:18:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:18:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:18:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:18:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:18:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:18:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:18:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:18:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:18:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:18:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:18:48,412 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:18:48,413 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:18:48,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:18:48 BoogieIcfgContainer [2019-10-07 14:18:48,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:18:48,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:18:48,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:18:48,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:18:48,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:18:41" (1/3) ... [2019-10-07 14:18:48,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1694699c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:18:48, skipping insertion in model container [2019-10-07 14:18:48,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:18:43" (2/3) ... [2019-10-07 14:18:48,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1694699c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:18:48, skipping insertion in model container [2019-10-07 14:18:48,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:18:48" (3/3) ... [2019-10-07 14:18:48,424 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product24.cil.c [2019-10-07 14:18:48,435 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:18:48,446 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:18:48,459 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:18:48,493 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:18:48,494 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:18:48,494 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:18:48,494 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:18:48,494 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:18:48,494 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:18:48,494 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:18:48,494 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:18:48,527 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states. [2019-10-07 14:18:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 14:18:48,540 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:18:48,541 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:18:48,543 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:18:48,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:18:48,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1997168965, now seen corresponding path program 1 times [2019-10-07 14:18:48,559 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:18:48,560 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:18:48,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:18:48,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:18:48,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:18:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:18:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:18:49,179 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:18:49,180 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:18:49,180 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:18:49,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:18:49,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:18:49,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:18:49,201 INFO L87 Difference]: Start difference. First operand 609 states. Second operand 2 states. [2019-10-07 14:18:49,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:18:49,305 INFO L93 Difference]: Finished difference Result 506 states and 748 transitions. [2019-10-07 14:18:49,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:18:49,308 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 74 [2019-10-07 14:18:49,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:18:49,356 INFO L225 Difference]: With dead ends: 506 [2019-10-07 14:18:49,357 INFO L226 Difference]: Without dead ends: 472 [2019-10-07 14:18:49,365 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:18:49,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-10-07 14:18:49,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2019-10-07 14:18:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2019-10-07 14:18:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 697 transitions. [2019-10-07 14:18:49,525 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 697 transitions. Word has length 74 [2019-10-07 14:18:49,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:18:49,528 INFO L462 AbstractCegarLoop]: Abstraction has 472 states and 697 transitions. [2019-10-07 14:18:49,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:18:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 697 transitions. [2019-10-07 14:18:49,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 14:18:49,541 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:18:49,541 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:18:49,541 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:18:49,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:18:49,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1180328150, now seen corresponding path program 1 times [2019-10-07 14:18:49,543 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:18:49,543 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:18:49,543 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:18:49,543 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:18:49,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:18:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:18:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:18:50,020 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:18:50,021 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:18:50,021 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 14:18:50,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:18:50,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:18:50,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:18:50,028 INFO L87 Difference]: Start difference. First operand 472 states and 697 transitions. Second operand 9 states. [2019-10-07 14:18:56,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:18:56,145 INFO L93 Difference]: Finished difference Result 1299 states and 1959 transitions. [2019-10-07 14:18:56,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-07 14:18:56,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2019-10-07 14:18:56,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:18:56,160 INFO L225 Difference]: With dead ends: 1299 [2019-10-07 14:18:56,160 INFO L226 Difference]: Without dead ends: 869 [2019-10-07 14:18:56,179 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2019-10-07 14:18:56,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2019-10-07 14:18:56,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 838. [2019-10-07 14:18:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2019-10-07 14:18:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1223 transitions. [2019-10-07 14:18:56,257 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1223 transitions. Word has length 75 [2019-10-07 14:18:56,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:18:56,260 INFO L462 AbstractCegarLoop]: Abstraction has 838 states and 1223 transitions. [2019-10-07 14:18:56,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:18:56,261 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1223 transitions. [2019-10-07 14:18:56,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 14:18:56,262 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:18:56,263 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:18:56,263 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:18:56,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:18:56,264 INFO L82 PathProgramCache]: Analyzing trace with hash -2133961468, now seen corresponding path program 1 times [2019-10-07 14:18:56,264 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:18:56,264 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:18:56,265 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:18:56,265 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:18:56,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:18:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:18:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:18:56,557 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:18:56,557 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:18:56,558 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 14:18:56,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 14:18:56,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 14:18:56,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:18:56,559 INFO L87 Difference]: Start difference. First operand 838 states and 1223 transitions. Second operand 5 states. [2019-10-07 14:18:58,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:18:58,478 INFO L93 Difference]: Finished difference Result 2500 states and 3738 transitions. [2019-10-07 14:18:58,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:18:58,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-10-07 14:18:58,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:18:58,493 INFO L225 Difference]: With dead ends: 2500 [2019-10-07 14:18:58,494 INFO L226 Difference]: Without dead ends: 1705 [2019-10-07 14:18:58,499 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:18:58,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2019-10-07 14:18:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1609. [2019-10-07 14:18:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1609 states. [2019-10-07 14:18:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2393 transitions. [2019-10-07 14:18:58,601 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2393 transitions. Word has length 76 [2019-10-07 14:18:58,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:18:58,602 INFO L462 AbstractCegarLoop]: Abstraction has 1609 states and 2393 transitions. [2019-10-07 14:18:58,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 14:18:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2393 transitions. [2019-10-07 14:18:58,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-07 14:18:58,604 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:18:58,604 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:18:58,604 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:18:58,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:18:58,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1730138264, now seen corresponding path program 1 times [2019-10-07 14:18:58,605 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:18:58,605 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:18:58,606 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:18:58,606 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:18:58,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:18:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:18:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:18:58,765 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:18:58,765 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:18:58,765 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:18:58,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:18:58,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:18:58,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:18:58,767 INFO L87 Difference]: Start difference. First operand 1609 states and 2393 transitions. Second operand 4 states. [2019-10-07 14:19:00,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:19:00,696 INFO L93 Difference]: Finished difference Result 4746 states and 7163 transitions. [2019-10-07 14:19:00,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:19:00,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2019-10-07 14:19:00,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:19:00,725 INFO L225 Difference]: With dead ends: 4746 [2019-10-07 14:19:00,725 INFO L226 Difference]: Without dead ends: 3181 [2019-10-07 14:19:00,736 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:19:00,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3181 states. [2019-10-07 14:19:00,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3181 to 3064. [2019-10-07 14:19:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3064 states. [2019-10-07 14:19:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 4600 transitions. [2019-10-07 14:19:00,984 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 4600 transitions. Word has length 77 [2019-10-07 14:19:00,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:19:00,986 INFO L462 AbstractCegarLoop]: Abstraction has 3064 states and 4600 transitions. [2019-10-07 14:19:00,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:19:00,987 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 4600 transitions. [2019-10-07 14:19:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 14:19:00,989 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:19:00,989 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:00,989 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:19:00,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:19:00,990 INFO L82 PathProgramCache]: Analyzing trace with hash -2096516922, now seen corresponding path program 1 times [2019-10-07 14:19:00,990 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:19:00,990 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:19:00,991 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:19:00,991 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:19:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:19:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:19:01,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:19:01,207 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:19:01,207 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:19:01,207 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:19:01,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:19:01,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:19:01,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:19:01,209 INFO L87 Difference]: Start difference. First operand 3064 states and 4600 transitions. Second operand 4 states. [2019-10-07 14:19:03,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:19:03,232 INFO L93 Difference]: Finished difference Result 9156 states and 13950 transitions. [2019-10-07 14:19:03,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:19:03,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2019-10-07 14:19:03,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:19:03,283 INFO L225 Difference]: With dead ends: 9156 [2019-10-07 14:19:03,283 INFO L226 Difference]: Without dead ends: 6137 [2019-10-07 14:19:03,301 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:19:03,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6137 states. [2019-10-07 14:19:03,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6137 to 5975. [2019-10-07 14:19:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5975 states. [2019-10-07 14:19:03,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5975 states to 5975 states and 9052 transitions. [2019-10-07 14:19:03,723 INFO L78 Accepts]: Start accepts. Automaton has 5975 states and 9052 transitions. Word has length 78 [2019-10-07 14:19:03,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:19:03,724 INFO L462 AbstractCegarLoop]: Abstraction has 5975 states and 9052 transitions. [2019-10-07 14:19:03,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:19:03,724 INFO L276 IsEmpty]: Start isEmpty. Operand 5975 states and 9052 transitions. [2019-10-07 14:19:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 14:19:03,733 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:19:03,734 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:03,734 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:19:03,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:19:03,736 INFO L82 PathProgramCache]: Analyzing trace with hash -569349526, now seen corresponding path program 1 times [2019-10-07 14:19:03,736 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:19:03,736 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:19:03,736 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:19:03,737 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:19:03,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:19:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:19:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:19:03,947 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:19:03,947 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:19:03,947 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:19:03,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:19:03,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:19:03,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:19:03,949 INFO L87 Difference]: Start difference. First operand 5975 states and 9052 transitions. Second operand 4 states. [2019-10-07 14:19:06,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:19:06,228 INFO L93 Difference]: Finished difference Result 17991 states and 27791 transitions. [2019-10-07 14:19:06,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:19:06,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2019-10-07 14:19:06,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:19:06,349 INFO L225 Difference]: With dead ends: 17991 [2019-10-07 14:19:06,349 INFO L226 Difference]: Without dead ends: 12061 [2019-10-07 14:19:06,386 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:19:06,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12061 states. [2019-10-07 14:19:07,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12061 to 11810. [2019-10-07 14:19:07,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11810 states. [2019-10-07 14:19:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11810 states to 11810 states and 18114 transitions. [2019-10-07 14:19:07,393 INFO L78 Accepts]: Start accepts. Automaton has 11810 states and 18114 transitions. Word has length 79 [2019-10-07 14:19:07,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:19:07,394 INFO L462 AbstractCegarLoop]: Abstraction has 11810 states and 18114 transitions. [2019-10-07 14:19:07,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:19:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 11810 states and 18114 transitions. [2019-10-07 14:19:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-07 14:19:07,399 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:19:07,399 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:07,399 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:19:07,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:19:07,400 INFO L82 PathProgramCache]: Analyzing trace with hash -471796600, now seen corresponding path program 1 times [2019-10-07 14:19:07,400 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:19:07,400 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:19:07,400 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:19:07,401 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:19:07,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:19:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:19:07,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:19:07,570 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:19:07,570 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:19:07,571 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:19:07,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:19:07,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:19:07,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:19:07,573 INFO L87 Difference]: Start difference. First operand 11810 states and 18114 transitions. Second operand 4 states. [2019-10-07 14:19:10,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:19:10,359 INFO L93 Difference]: Finished difference Result 35714 states and 56419 transitions. [2019-10-07 14:19:10,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:19:10,360 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-10-07 14:19:10,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:19:10,592 INFO L225 Difference]: With dead ends: 35714 [2019-10-07 14:19:10,592 INFO L226 Difference]: Without dead ends: 23937 [2019-10-07 14:19:10,696 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:19:10,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23937 states. [2019-10-07 14:19:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23937 to 23415. [2019-10-07 14:19:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23415 states. [2019-10-07 14:19:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23415 states to 23415 states and 36454 transitions. [2019-10-07 14:19:14,272 INFO L78 Accepts]: Start accepts. Automaton has 23415 states and 36454 transitions. Word has length 80 [2019-10-07 14:19:14,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:19:14,275 INFO L462 AbstractCegarLoop]: Abstraction has 23415 states and 36454 transitions. [2019-10-07 14:19:14,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:19:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 23415 states and 36454 transitions. [2019-10-07 14:19:14,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-07 14:19:14,291 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:19:14,292 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:14,293 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:19:14,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:19:14,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1918563877, now seen corresponding path program 1 times [2019-10-07 14:19:14,294 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:19:14,294 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:19:14,294 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:19:14,295 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:19:14,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:19:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:19:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-07 14:19:15,020 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:19:15,020 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:19:15,020 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 14:19:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:19:15,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 4049 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 14:19:15,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:19:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-10-07 14:19:16,177 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:19:16,576 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:19:16,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:19:16,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:19:16,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:19:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-07 14:19:16,983 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:19:17,034 INFO L162 IcfgInterpreter]: Started Sifa with 185 locations of interest [2019-10-07 14:19:17,034 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:19:17,043 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:19:17,052 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:19:17,052 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:20:02,149 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2019-10-07 14:20:07,621 WARN L191 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 430 DAG size of output: 347 [2019-10-07 14:20:08,050 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:20:08,457 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:20:08,712 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:20:09,440 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:20:09,989 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:20:10,635 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:20:11,240 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:20:12,599 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1064 [2019-10-07 14:20:13,084 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:20:13,659 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:20:15,020 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:20:15,527 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:20:16,064 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:20:16,089 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 400 for LOIs [2019-10-07 14:20:16,420 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:20:16,606 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:20:16,980 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 939 [2019-10-07 14:20:16,981 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1118 for LOIs [2019-10-07 14:20:17,450 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:17,917 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:18,056 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:18,841 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:19,341 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:19,821 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:20,112 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:21,087 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:21,601 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:22,075 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:22,298 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:23,093 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:23,989 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1118 [2019-10-07 14:20:24,498 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:24,671 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:25,471 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:25,968 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:26,457 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:26,589 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:27,384 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:27,864 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:28,354 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:28,485 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:29,316 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:29,800 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:30,277 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:30,401 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:31,187 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:31,661 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:32,148 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:32,271 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:33,069 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:33,544 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:34,053 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:34,180 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:34,970 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:35,451 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:35,947 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:36,107 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:36,893 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:37,348 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:37,827 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:37,951 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:38,733 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:39,227 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:39,720 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:39,845 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:40,650 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:41,119 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:41,613 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:20:41,737 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:42,532 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:43,386 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:44,183 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:44,314 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:45,086 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:46,567 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:20:47,353 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:47,490 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:48,272 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:49,076 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:49,881 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:50,003 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:20:50,778 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:20:51,614 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:20:52,397 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:20:52,526 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:20:53,319 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:20:54,748 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:20:55,526 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:20:55,658 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:20:56,447 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:20:57,882 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:20:58,681 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:20:58,807 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:20:59,618 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:21:00,424 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:21:01,238 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:21:01,397 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:21:02,233 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:21:03,050 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:03,859 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:03,995 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:21:04,788 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:05,763 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:06,570 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:06,704 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:21:07,551 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:08,648 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:09,441 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:09,734 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:21:10,624 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:11,421 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:12,234 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:12,358 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:21:13,152 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:21:14,804 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:21:15,585 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:15,786 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:21:16,573 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:18,045 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:21:18,835 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:18,965 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:21:19,770 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:20,565 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:21,378 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:21,506 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:21:22,311 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:23,164 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:21:23,979 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:21:24,113 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:21:24,908 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:21:26,367 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:21:27,162 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:21:27,297 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:21:28,120 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:21:29,546 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:21:30,352 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:21:30,477 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:21:31,269 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:21:32,617 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1290 [2019-10-07 14:21:33,453 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:21:33,600 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:21:34,418 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:21:35,786 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1292 [2019-10-07 14:21:36,568 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:21:36,701 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:21:37,486 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:21:38,937 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:21:39,736 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:39,867 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:21:40,650 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:42,070 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:21:42,852 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:42,987 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:21:43,781 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:44,583 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:45,394 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:45,522 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:21:46,324 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:47,771 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:21:48,584 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:48,717 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:21:49,519 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:50,955 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:21:51,744 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:51,876 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:21:52,667 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:54,139 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:21:54,941 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:55,093 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:21:55,881 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:57,338 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:21:58,114 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:58,254 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:21:59,059 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:21:59,859 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:00,655 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:00,782 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:22:01,574 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:02,398 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:03,200 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:03,331 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:04,139 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:05,604 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:22:06,428 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:06,562 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:07,378 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:08,857 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:22:09,684 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:09,814 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:10,637 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:12,082 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:22:12,893 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:22:13,029 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:13,849 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:15,233 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:22:16,056 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:16,193 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:17,008 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:22:18,496 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:22:19,330 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:19,487 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:22:20,300 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:21,798 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:22:22,600 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:22,732 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:22:23,520 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:24,320 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:25,108 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:25,236 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:22:26,019 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:27,506 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:22:28,316 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:28,449 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:29,260 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:30,735 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:22:31,537 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:31,671 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:32,488 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:33,952 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:22:34,769 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:34,902 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:22:35,716 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:37,175 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:22:38,002 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:38,135 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:22:38,973 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:39,795 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:40,596 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:40,724 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:22:41,519 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:42,339 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:43,143 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:43,276 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:44,088 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:45,522 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:22:46,326 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:46,459 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:47,268 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:48,702 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:22:49,522 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:49,652 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:50,458 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:51,819 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1292 [2019-10-07 14:22:52,637 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:52,777 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:22:53,600 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:22:55,089 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:22:55,905 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:56,037 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:22:56,845 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:58,291 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:22:59,080 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:22:59,211 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:00,025 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:00,832 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:01,638 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:01,767 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:02,575 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:03,964 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:23:04,766 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:23:04,913 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:23:05,731 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:23:07,112 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:23:08,185 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:23:08,317 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:23:09,123 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:23:09,934 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:23:10,738 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:23:10,869 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:23:11,674 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:23:13,101 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:23:13,883 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:23:14,014 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:23:14,820 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:23:16,195 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:23:17,166 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:23:17,304 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:23:18,100 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:23:19,455 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1292 [2019-10-07 14:23:20,263 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:23:20,409 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:23:21,221 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:23:22,589 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:23:23,412 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:23:23,545 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:23:24,358 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:23:24,365 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1136 for LOIs [2019-10-07 14:23:24,882 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:23:25,397 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:23:25,523 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:26,335 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:26,905 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:23:27,435 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:23:27,564 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:28,369 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:29,294 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1146 [2019-10-07 14:23:29,826 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:23:29,956 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:30,793 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:31,353 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:23:31,904 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:23:32,030 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:32,848 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:33,394 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:23:33,933 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:23:34,058 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:34,845 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:35,386 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:23:35,925 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:23:36,053 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:36,856 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:37,118 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:23:37,120 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.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 14:23:37,126 INFO L168 Benchmark]: Toolchain (without parser) took 295121.36 ms. Allocated memory was 145.8 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 100.9 MB in the beginning and 266.2 MB in the end (delta: -165.3 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2019-10-07 14:23:37,127 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:23:37,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1129.72 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 138.3 MB in the end (delta: -37.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:23:37,128 INFO L168 Benchmark]: Boogie Preprocessor took 243.38 ms. Allocated memory is still 203.4 MB. Free memory was 138.3 MB in the beginning and 128.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:23:37,128 INFO L168 Benchmark]: RCFGBuilder took 5034.51 ms. Allocated memory was 203.4 MB in the beginning and 294.6 MB in the end (delta: 91.2 MB). Free memory was 128.5 MB in the beginning and 165.2 MB in the end (delta: -36.7 MB). Peak memory consumption was 143.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:23:37,128 INFO L168 Benchmark]: TraceAbstraction took 288709.00 ms. Allocated memory was 294.6 MB in the beginning and 3.0 GB in the end (delta: 2.7 GB). Free memory was 165.2 MB in the beginning and 266.2 MB in the end (delta: -101.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-10-07 14:23:37,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1129.72 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 138.3 MB in the end (delta: -37.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 243.38 ms. Allocated memory is still 203.4 MB. Free memory was 138.3 MB in the beginning and 128.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5034.51 ms. Allocated memory was 203.4 MB in the beginning and 294.6 MB in the end (delta: 91.2 MB). Free memory was 128.5 MB in the beginning and 165.2 MB in the end (delta: -36.7 MB). Peak memory consumption was 143.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 288709.00 ms. Allocated memory was 294.6 MB in the beginning and 3.0 GB in the end (delta: 2.7 GB). Free memory was 165.2 MB in the beginning and 266.2 MB in the end (delta: -101.0 MB). Peak memory consumption was 2.6 GB. 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...