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_spec9_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:35:30,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:35:30,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:35:30,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:35:30,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:35:30,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:35:30,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:35:30,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:35:30,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:35:30,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:35:30,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:35:30,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:35:30,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:35:30,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:35:30,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:35:30,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:35:30,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:35:30,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:35:30,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:35:30,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:35:30,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:35:30,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:35:30,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:35:30,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:35:30,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:35:30,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:35:30,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:35:30,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:35:30,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:35:30,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:35:30,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:35:30,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:35:30,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:35:30,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:35:30,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:35:30,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:35:30,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:35:30,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:35:30,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:35:30,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:35:30,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:35:30,524 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 14:35:30,538 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:35:30,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:35:30,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:35:30,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:35:30,540 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:35:30,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:35:30,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:35:30,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:35:30,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:35:30,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:35:30,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:35:30,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:35:30,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:35:30,542 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:35:30,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:35:30,542 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:35:30,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:35:30,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:35:30,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:35:30,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:35:30,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:35:30,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:35:30,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:35:30,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:35:30,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:35:30,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:35:30,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:35:30,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:35:30,545 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 14:35:30,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:35:30,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:35:30,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:35:30,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:35:30,860 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:35:30,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product32.cil.c [2019-10-07 14:35:30,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a1e188ec/54352ccb3a914b1c9080de81e85edfd5/FLAGcd553855e [2019-10-07 14:35:31,615 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:35:31,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product32.cil.c [2019-10-07 14:35:31,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a1e188ec/54352ccb3a914b1c9080de81e85edfd5/FLAGcd553855e [2019-10-07 14:35:31,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a1e188ec/54352ccb3a914b1c9080de81e85edfd5 [2019-10-07 14:35:31,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:35:31,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:35:31,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:35:31,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:35:31,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:35:31,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:35:31" (1/1) ... [2019-10-07 14:35:31,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f93921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31, skipping insertion in model container [2019-10-07 14:35:31,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:35:31" (1/1) ... [2019-10-07 14:35:31,844 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:35:31,934 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:35:32,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:35:32,665 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:35:32,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:35:32,891 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:35:32,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:32 WrapperNode [2019-10-07 14:35:32,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:35:32,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:35:32,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:35:32,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:35:32,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:32" (1/1) ... [2019-10-07 14:35:32,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:32" (1/1) ... [2019-10-07 14:35:32,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:32" (1/1) ... [2019-10-07 14:35:32,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:32" (1/1) ... [2019-10-07 14:35:33,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:32" (1/1) ... [2019-10-07 14:35:33,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:32" (1/1) ... [2019-10-07 14:35:33,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:32" (1/1) ... [2019-10-07 14:35:33,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:35:33,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:35:33,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:35:33,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:35:33,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:32" (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 14:35:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:35:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:35:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:35:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:35:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:35:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:35:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:35:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:35:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:35:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:35:33,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:35:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:35:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:35:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-07 14:35:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-07 14:35:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-07 14:35:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-07 14:35:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:35:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:35:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:35:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:35:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:35:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:35:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-07 14:35:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:35:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:35:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:35:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:35:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:35:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:35:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:35:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:35:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:35:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:35:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:35:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:35:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:35:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:35:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:35:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:35:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:35:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:35:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:35:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:35:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-07 14:35:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:35:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-07 14:35:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:35:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:35:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:35:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:35:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:35:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:35:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:35:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:35:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:35:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:35:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:35:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:35:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:35:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:35:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:35:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:35:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:35:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:35:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:35:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:35:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:35:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:35:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:35:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:35:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:35:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:35:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:35:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:35:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:35:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:35:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:35:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:35:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:35:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:35:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:35:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:35:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:35:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:35:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:35:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:35:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:35:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:35:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:35:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:35:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:35:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:35:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:35:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:35:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:35:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:35:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:35:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:35:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:35:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-07 14:35:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-07 14:35:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-07 14:35:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-07 14:35:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:35:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:35:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:35:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:35:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:35:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:35:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:35:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:35:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:35:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:35:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:35:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:35:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:35:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:35:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:35:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:35:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-07 14:35:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:35:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:35:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:35:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:35:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:35:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:35:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:35:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:35:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:35:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:35:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:35:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:35:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:35:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:35:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-07 14:35:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-07 14:35:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:35:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:35:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:35:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:35:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:35:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:35:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:35:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:35:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:35:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:35:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:35:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:35:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:35:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:35:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:35:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:35:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:35:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:35:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:35:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:35:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:35:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:35:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:35:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:35:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:35:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:35:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:35:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:35:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:35:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:35:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:35:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:35:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:35:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:35:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:35:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:35:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:35:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:35:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:35:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:35:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:35:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:35:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:35:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:35:38,524 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:35:38,524 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:35:38,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:35:38 BoogieIcfgContainer [2019-10-07 14:35:38,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:35:38,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:35:38,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:35:38,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:35:38,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:35:31" (1/3) ... [2019-10-07 14:35:38,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9b1db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:35:38, skipping insertion in model container [2019-10-07 14:35:38,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:32" (2/3) ... [2019-10-07 14:35:38,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9b1db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:35:38, skipping insertion in model container [2019-10-07 14:35:38,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:35:38" (3/3) ... [2019-10-07 14:35:38,535 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product32.cil.c [2019-10-07 14:35:38,545 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:35:38,555 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:35:38,567 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:35:38,601 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:35:38,601 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:35:38,601 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:35:38,601 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:35:38,601 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:35:38,602 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:35:38,602 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:35:38,602 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:35:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states. [2019-10-07 14:35:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 14:35:38,646 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:38,648 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 14:35:38,650 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:38,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:38,656 INFO L82 PathProgramCache]: Analyzing trace with hash -834099698, now seen corresponding path program 1 times [2019-10-07 14:35:38,666 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:38,666 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:38,666 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:38,666 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:38,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:39,249 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 14:35:39,251 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:39,252 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:39,253 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:35:39,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:35:39,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:35:39,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:35:39,272 INFO L87 Difference]: Start difference. First operand 607 states. Second operand 2 states. [2019-10-07 14:35:39,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:39,364 INFO L93 Difference]: Finished difference Result 504 states and 739 transitions. [2019-10-07 14:35:39,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:35:39,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 74 [2019-10-07 14:35:39,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:39,397 INFO L225 Difference]: With dead ends: 504 [2019-10-07 14:35:39,397 INFO L226 Difference]: Without dead ends: 470 [2019-10-07 14:35:39,406 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 14:35:39,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-10-07 14:35:39,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2019-10-07 14:35:39,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-07 14:35:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 688 transitions. [2019-10-07 14:35:39,520 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 688 transitions. Word has length 74 [2019-10-07 14:35:39,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:39,523 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 688 transitions. [2019-10-07 14:35:39,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:35:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 688 transitions. [2019-10-07 14:35:39,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 14:35:39,529 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:39,529 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 14:35:39,529 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:39,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:39,530 INFO L82 PathProgramCache]: Analyzing trace with hash 201643010, now seen corresponding path program 1 times [2019-10-07 14:35:39,530 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:39,530 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:39,530 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:39,531 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:39,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:39,784 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 14:35:39,784 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:39,785 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:39,785 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:35:39,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:35:39,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:35:39,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:39,788 INFO L87 Difference]: Start difference. First operand 470 states and 688 transitions. Second operand 3 states. [2019-10-07 14:35:39,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:39,912 INFO L93 Difference]: Finished difference Result 1301 states and 1956 transitions. [2019-10-07 14:35:39,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:35:39,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-07 14:35:39,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:39,921 INFO L225 Difference]: With dead ends: 1301 [2019-10-07 14:35:39,921 INFO L226 Difference]: Without dead ends: 873 [2019-10-07 14:35:39,927 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:39,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2019-10-07 14:35:40,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 856. [2019-10-07 14:35:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2019-10-07 14:35:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1283 transitions. [2019-10-07 14:35:40,083 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1283 transitions. Word has length 75 [2019-10-07 14:35:40,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:40,086 INFO L462 AbstractCegarLoop]: Abstraction has 856 states and 1283 transitions. [2019-10-07 14:35:40,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:35:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1283 transitions. [2019-10-07 14:35:40,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 14:35:40,096 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:40,096 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 14:35:40,097 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:40,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:40,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1954770670, now seen corresponding path program 1 times [2019-10-07 14:35:40,099 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:40,099 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:40,099 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:40,099 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:40,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:40,333 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 14:35:40,333 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:40,334 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:40,334 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:35:40,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:35:40,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:35:40,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:40,336 INFO L87 Difference]: Start difference. First operand 856 states and 1283 transitions. Second operand 3 states. [2019-10-07 14:35:40,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:40,461 INFO L93 Difference]: Finished difference Result 2460 states and 3754 transitions. [2019-10-07 14:35:40,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:35:40,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-10-07 14:35:40,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:40,488 INFO L225 Difference]: With dead ends: 2460 [2019-10-07 14:35:40,488 INFO L226 Difference]: Without dead ends: 1647 [2019-10-07 14:35:40,498 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:40,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2019-10-07 14:35:40,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1629. [2019-10-07 14:35:40,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1629 states. [2019-10-07 14:35:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2482 transitions. [2019-10-07 14:35:40,631 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2482 transitions. Word has length 76 [2019-10-07 14:35:40,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:40,632 INFO L462 AbstractCegarLoop]: Abstraction has 1629 states and 2482 transitions. [2019-10-07 14:35:40,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:35:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2482 transitions. [2019-10-07 14:35:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-07 14:35:40,635 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:40,636 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 14:35:40,636 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:40,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:40,636 INFO L82 PathProgramCache]: Analyzing trace with hash 467157188, now seen corresponding path program 1 times [2019-10-07 14:35:40,637 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:40,637 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:40,637 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:40,637 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:40,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:40,821 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 14:35:40,822 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:40,822 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:40,822 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:35:40,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:35:40,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:35:40,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:40,824 INFO L87 Difference]: Start difference. First operand 1629 states and 2482 transitions. Second operand 3 states. [2019-10-07 14:35:41,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:41,001 INFO L93 Difference]: Finished difference Result 4779 states and 7392 transitions. [2019-10-07 14:35:41,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:35:41,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-07 14:35:41,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:41,032 INFO L225 Difference]: With dead ends: 4779 [2019-10-07 14:35:41,033 INFO L226 Difference]: Without dead ends: 3195 [2019-10-07 14:35:41,043 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:41,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3195 states. [2019-10-07 14:35:41,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3195 to 3176. [2019-10-07 14:35:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3176 states. [2019-10-07 14:35:41,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 4910 transitions. [2019-10-07 14:35:41,320 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 4910 transitions. Word has length 77 [2019-10-07 14:35:41,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:41,321 INFO L462 AbstractCegarLoop]: Abstraction has 3176 states and 4910 transitions. [2019-10-07 14:35:41,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:35:41,321 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 4910 transitions. [2019-10-07 14:35:41,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 14:35:41,324 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:41,324 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 14:35:41,324 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:41,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:41,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1595783408, now seen corresponding path program 1 times [2019-10-07 14:35:41,325 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:41,325 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:41,326 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:41,326 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:41,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:41,485 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 14:35:41,486 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:41,486 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:41,486 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:35:41,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:35:41,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:35:41,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:41,488 INFO L87 Difference]: Start difference. First operand 3176 states and 4910 transitions. Second operand 3 states. [2019-10-07 14:35:41,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:41,747 INFO L93 Difference]: Finished difference Result 9418 states and 14821 transitions. [2019-10-07 14:35:41,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:35:41,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-10-07 14:35:41,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:41,812 INFO L225 Difference]: With dead ends: 9418 [2019-10-07 14:35:41,812 INFO L226 Difference]: Without dead ends: 6291 [2019-10-07 14:35:41,836 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6291 states. [2019-10-07 14:35:42,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6291 to 6271. [2019-10-07 14:35:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6271 states. [2019-10-07 14:35:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6271 states to 6271 states and 9878 transitions. [2019-10-07 14:35:42,305 INFO L78 Accepts]: Start accepts. Automaton has 6271 states and 9878 transitions. Word has length 78 [2019-10-07 14:35:42,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:42,306 INFO L462 AbstractCegarLoop]: Abstraction has 6271 states and 9878 transitions. [2019-10-07 14:35:42,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:35:42,306 INFO L276 IsEmpty]: Start isEmpty. Operand 6271 states and 9878 transitions. [2019-10-07 14:35:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 14:35:42,308 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:42,308 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 14:35:42,309 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:42,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:42,309 INFO L82 PathProgramCache]: Analyzing trace with hash -2071505530, now seen corresponding path program 1 times [2019-10-07 14:35:42,309 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:42,309 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:42,310 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:42,313 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:42,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:42,474 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 14:35:42,475 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:42,476 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:42,476 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:35:42,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:35:42,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:35:42,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:42,478 INFO L87 Difference]: Start difference. First operand 6271 states and 9878 transitions. Second operand 3 states. [2019-10-07 14:35:42,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:42,693 INFO L93 Difference]: Finished difference Result 6679 states and 10543 transitions. [2019-10-07 14:35:42,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:35:42,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-10-07 14:35:42,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:42,751 INFO L225 Difference]: With dead ends: 6679 [2019-10-07 14:35:42,751 INFO L226 Difference]: Without dead ends: 6666 [2019-10-07 14:35:42,758 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:42,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6666 states. [2019-10-07 14:35:43,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6666 to 6651. [2019-10-07 14:35:43,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6651 states. [2019-10-07 14:35:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6651 states to 6651 states and 10506 transitions. [2019-10-07 14:35:43,077 INFO L78 Accepts]: Start accepts. Automaton has 6651 states and 10506 transitions. Word has length 79 [2019-10-07 14:35:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:43,078 INFO L462 AbstractCegarLoop]: Abstraction has 6651 states and 10506 transitions. [2019-10-07 14:35:43,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:35:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 6651 states and 10506 transitions. [2019-10-07 14:35:43,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-07 14:35:43,087 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:43,087 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 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] [2019-10-07 14:35:43,088 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:43,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:43,088 INFO L82 PathProgramCache]: Analyzing trace with hash 707926599, now seen corresponding path program 1 times [2019-10-07 14:35:43,088 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:43,089 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:43,089 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:43,089 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:43,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-10-07 14:35:44,174 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:44,175 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:35:44,175 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 14:35:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:44,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 3710 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-07 14:35:44,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:35:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-10-07 14:35:45,175 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:35:45,790 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:35:45,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:35:46,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:35:46,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:35:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-10-07 14:35:46,347 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:35:46,390 INFO L162 IcfgInterpreter]: Started Sifa with 165 locations of interest [2019-10-07 14:35:46,391 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:35:46,399 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:35:46,408 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:35:46,409 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:36:33,973 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2019-10-07 14:36:39,614 WARN L191 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 430 DAG size of output: 347 [2019-10-07 14:36:40,013 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:36:40,481 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:36:40,787 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:36:41,474 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:36:42,041 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:36:42,547 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:36:43,143 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:36:44,174 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1064 [2019-10-07 14:36:44,689 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:36:45,283 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:36:45,785 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:36:46,290 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:36:46,849 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:36:46,873 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 400 for LOIs [2019-10-07 14:36:47,157 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:36:47,278 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:36:47,670 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 939 [2019-10-07 14:36:47,671 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1112 for LOIs [2019-10-07 14:36:48,157 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:48,640 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:48,792 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:36:49,630 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:36:50,136 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:50,611 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:50,762 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:36:51,594 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:36:52,111 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:52,596 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:52,733 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:36:53,576 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:36:54,516 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1112 [2019-10-07 14:36:55,021 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:55,317 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:36:56,232 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:36:56,746 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:57,261 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:57,395 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:36:58,251 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:36:58,747 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:59,241 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:36:59,389 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:00,250 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:00,745 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:01,235 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:01,369 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:02,215 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:02,716 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:03,214 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:03,355 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:04,210 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:04,716 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:05,214 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:05,352 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:06,197 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:06,694 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:07,194 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:07,361 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:08,200 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:08,699 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:09,194 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:09,329 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:10,197 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:10,704 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:11,210 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:11,344 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:12,209 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:12,717 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:13,225 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:37:13,361 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:14,212 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:15,151 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:16,011 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:16,206 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:17,064 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:18,629 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:37:19,482 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:19,629 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:20,497 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:21,342 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:22,208 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:22,345 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:23,189 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:24,097 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:24,990 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:25,138 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:37:26,000 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:27,800 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:37:28,659 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:28,806 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:37:29,666 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:31,244 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:37:32,108 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:32,246 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:37:33,112 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:33,998 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:37:34,851 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:37:34,991 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:37:35,846 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:36,721 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:37,562 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:37,703 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:37:38,560 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:37:39,507 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:40,376 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:40,521 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:37:41,387 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:37:43,544 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:37:44,406 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:44,555 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:37:45,414 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:37:46,276 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:47,139 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:37:47,273 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:37:48,123 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:37:49,705 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:37:50,572 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:50,748 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:51,605 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:53,182 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:37:54,050 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:54,191 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:55,052 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:55,932 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:56,777 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:56,910 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:37:57,762 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:59,332 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:38:00,198 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:00,340 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:01,194 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:02,052 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:02,930 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:03,086 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:03,935 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:05,447 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:38:06,309 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:06,443 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:07,310 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:08,857 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1292 [2019-10-07 14:38:09,710 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:09,926 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:10,782 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:12,273 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1294 [2019-10-07 14:38:13,137 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:38:13,279 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:14,152 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:38:15,712 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:16,557 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:16,695 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:38:17,530 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:19,040 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:19,881 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:20,023 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:38:20,852 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:21,698 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:22,536 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:22,669 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:38:23,518 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:25,129 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:25,962 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:26,099 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:38:26,945 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:28,460 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:29,295 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:29,442 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:38:30,277 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:31,101 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:31,944 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:32,075 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:38:32,896 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:34,434 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:38:35,270 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:35,420 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:36,248 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:37,792 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:38:38,788 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:38:38,929 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:39,774 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:41,287 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:38:42,124 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:38:42,258 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:43,090 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:44,524 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:38:45,512 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:38:45,653 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:46,497 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:48,034 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:38:48,880 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:49,019 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:49,857 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:38:51,399 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:38:52,256 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:52,396 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:53,246 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:38:54,776 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:38:55,626 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:38:55,781 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:38:56,631 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:38:58,185 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:59,048 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:59,187 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:39:00,031 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:01,554 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:02,408 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:02,546 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:39:03,384 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:04,219 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:05,067 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:05,198 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:39:06,040 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:07,504 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:39:08,352 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:39:08,508 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:39:09,354 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:10,213 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:11,060 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:11,201 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:39:12,044 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:13,482 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:39:14,336 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:39:14,473 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:39:15,315 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:16,767 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1292 [2019-10-07 14:39:17,618 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:17,760 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:39:18,611 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:20,157 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:20,999 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:21,136 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:39:21,960 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:23,484 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:24,325 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:24,466 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:39:25,313 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:26,881 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:27,730 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:27,875 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:39:28,727 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:30,268 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:31,128 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:31,271 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:39:32,124 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:32,977 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:33,834 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:33,966 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:39:34,813 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:36,292 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:39:37,143 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:39:37,284 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:39:38,146 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:39,013 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:39,881 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:40,025 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:39:40,874 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:42,401 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:39:43,269 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:39:43,403 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:39:44,259 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:45,708 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:39:46,569 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:39:46,715 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:39:47,578 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:49,127 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:39:49,997 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:39:50,155 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:39:51,017 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:39:52,580 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:53,426 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:53,574 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:39:54,429 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:55,977 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:56,829 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:56,975 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:39:57,827 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:58,694 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:59,542 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:59,676 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:40:00,525 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:01,420 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:40:02,289 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:40:02,447 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:40:03,290 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:40:04,804 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:40:05,667 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:40:05,807 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:40:06,665 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:40:06,672 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1140 for LOIs [2019-10-07 14:40:07,219 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:40:07,765 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:40:07,898 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:40:08,754 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:09,355 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:40:09,916 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:40:10,050 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:40:10,891 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:11,950 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1150 [2019-10-07 14:40:12,519 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:40:12,660 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:40:13,516 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:14,108 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:40:14,676 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:40:14,810 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:40:15,666 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:16,239 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:40:16,822 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:40:16,954 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:40:17,788 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:18,349 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:40:18,900 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:40:19,036 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:40:19,882 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:20,147 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:40:20,148 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 14:40:20,154 INFO L168 Benchmark]: Toolchain (without parser) took 288333.44 ms. Allocated memory was 137.9 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 98.3 MB in the beginning and 182.4 MB in the end (delta: -84.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-07 14:40:20,154 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:40:20,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1065.56 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 98.1 MB in the beginning and 137.8 MB in the end (delta: -39.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:20,155 INFO L168 Benchmark]: Boogie Preprocessor took 300.71 ms. Allocated memory is still 201.9 MB. Free memory was 137.8 MB in the beginning and 127.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:20,156 INFO L168 Benchmark]: RCFGBuilder took 5332.88 ms. Allocated memory was 201.9 MB in the beginning and 304.1 MB in the end (delta: 102.2 MB). Free memory was 127.9 MB in the beginning and 205.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 159.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:20,156 INFO L168 Benchmark]: TraceAbstraction took 281624.64 ms. Allocated memory was 304.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 205.7 MB in the beginning and 182.4 MB in the end (delta: 23.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-10-07 14:40:20,158 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1065.56 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 98.1 MB in the beginning and 137.8 MB in the end (delta: -39.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 300.71 ms. Allocated memory is still 201.9 MB. Free memory was 137.8 MB in the beginning and 127.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5332.88 ms. Allocated memory was 201.9 MB in the beginning and 304.1 MB in the end (delta: 102.2 MB). Free memory was 127.9 MB in the beginning and 205.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 159.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 281624.64 ms. Allocated memory was 304.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 205.7 MB in the beginning and 182.4 MB in the end (delta: 23.3 MB). Peak memory consumption was 1.2 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...