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 -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:19,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:19,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:19,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:19,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:19,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:19,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:19,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:19,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:19,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:19,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:19,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:19,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:19,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:19,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:19,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:19,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:19,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:19,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:19,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:19,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:19,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:19,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:19,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:19,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:19,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:19,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:19,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:19,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:19,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:19,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:19,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:19,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:19,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:19,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:19,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:19,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:19,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:19,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:19,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:19,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:19,446 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 [2019-10-14 23:21:19,468 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:19,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:19,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:19,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:19,470 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:19,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:19,471 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:19,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:19,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:19,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:19,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:19,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:19,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:19,474 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:19,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:19,474 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:19,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:19,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:19,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:19,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:19,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:19,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:19,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:19,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:19,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:19,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:19,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:19,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:19,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:19,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:19,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:19,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:19,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:19,770 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:19,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product28.cil.c [2019-10-14 23:21:19,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/343b40a5c/5f3b02d487674af8bfd8bf7ac54d6960/FLAGde6993eab [2019-10-14 23:21:20,498 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:20,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product28.cil.c [2019-10-14 23:21:20,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/343b40a5c/5f3b02d487674af8bfd8bf7ac54d6960/FLAGde6993eab [2019-10-14 23:21:20,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/343b40a5c/5f3b02d487674af8bfd8bf7ac54d6960 [2019-10-14 23:21:20,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:20,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:20,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:20,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:20,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:20,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:20" (1/1) ... [2019-10-14 23:21:20,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e1a5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:20, skipping insertion in model container [2019-10-14 23:21:20,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:20" (1/1) ... [2019-10-14 23:21:20,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:20,802 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:21,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:21,548 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:21,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:21,799 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:21,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21 WrapperNode [2019-10-14 23:21:21,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:21,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:21,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:21,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:21,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:21,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:21,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:21,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:21,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (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 [2019-10-14 23:21:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:21:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-14 23:21:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-14 23:21:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:21:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:21:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:21:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:21:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:21:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-14 23:21:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-14 23:21:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:24,552 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:24,552 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:24,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:24 BoogieIcfgContainer [2019-10-14 23:21:24,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:24,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:24,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:24,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:24,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:20" (1/3) ... [2019-10-14 23:21:24,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f8098a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:24, skipping insertion in model container [2019-10-14 23:21:24,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (2/3) ... [2019-10-14 23:21:24,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f8098a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:24, skipping insertion in model container [2019-10-14 23:21:24,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:24" (3/3) ... [2019-10-14 23:21:24,563 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product28.cil.c [2019-10-14 23:21:24,572 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:24,581 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:24,592 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:24,623 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:24,624 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:24,624 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:24,624 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:24,624 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:24,624 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:24,625 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:24,625 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states. [2019-10-14 23:21:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-14 23:21:24,672 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:24,673 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:24,675 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:24,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:24,681 INFO L82 PathProgramCache]: Analyzing trace with hash -247911758, now seen corresponding path program 1 times [2019-10-14 23:21:24,688 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:24,689 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316469836] [2019-10-14 23:21:24,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:24,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:24,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,246 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:21:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,619 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:21:27,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316469836] [2019-10-14 23:21:27,030 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:27,030 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:21:27,030 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954118075] [2019-10-14 23:21:27,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:21:27,037 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:27,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:21:27,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:21:27,055 INFO L87 Difference]: Start difference. First operand 802 states. Second operand 9 states. [2019-10-14 23:21:28,924 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-14 23:21:29,825 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-14 23:21:31,120 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:48,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:48,731 INFO L93 Difference]: Finished difference Result 1704 states and 2946 transitions. [2019-10-14 23:21:48,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:21:48,733 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-14 23:21:48,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:48,770 INFO L225 Difference]: With dead ends: 1704 [2019-10-14 23:21:48,770 INFO L226 Difference]: Without dead ends: 1073 [2019-10-14 23:21:48,782 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:21:48,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2019-10-14 23:21:49,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 635. [2019-10-14 23:21:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2019-10-14 23:21:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 1009 transitions. [2019-10-14 23:21:49,114 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 1009 transitions. Word has length 85 [2019-10-14 23:21:49,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:49,114 INFO L462 AbstractCegarLoop]: Abstraction has 635 states and 1009 transitions. [2019-10-14 23:21:49,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:21:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1009 transitions. [2019-10-14 23:21:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:21:49,121 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:49,121 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:49,121 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:49,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:49,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1599117105, now seen corresponding path program 1 times [2019-10-14 23:21:49,122 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:49,122 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009136812] [2019-10-14 23:21:49,122 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:49,122 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:49,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,099 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:21:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,375 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:21:50,718 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009136812] [2019-10-14 23:21:50,718 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:50,719 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:21:50,719 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337877514] [2019-10-14 23:21:50,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:21:50,733 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:50,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:21:50,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:21:50,734 INFO L87 Difference]: Start difference. First operand 635 states and 1009 transitions. Second operand 9 states. [2019-10-14 23:21:52,488 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-14 23:21:53,412 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-14 23:21:54,873 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121