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_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:22:22,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:22:22,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:22:22,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:22:22,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:22:22,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:22:22,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:22:22,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:22:22,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:22:22,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:22:22,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:22:22,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:22:22,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:22:22,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:22:22,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:22:22,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:22:22,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:22:22,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:22:22,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:22:22,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:22:22,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:22:22,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:22:22,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:22:22,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:22:22,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:22:22,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:22:22,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:22:22,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:22:22,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:22:22,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:22:22,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:22:22,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:22:22,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:22:22,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:22:22,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:22:22,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:22:22,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:22:22,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:22:22,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:22:22,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:22:22,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:22:22,546 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 [2019-10-13 19:22:22,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:22:22,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:22:22,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:22:22,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:22:22,576 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:22:22,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:22:22,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:22:22,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:22:22,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:22:22,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:22:22,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:22:22,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:22:22,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:22:22,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:22:22,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:22:22,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:22:22,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:22:22,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:22:22,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:22:22,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:22:22,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:22:22,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:22:22,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:22:22,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:22:22,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:22:22,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:22:22,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:22:22,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:22:22,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:22:22,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:22:22,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:22:22,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:22:22,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:22:22,871 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:22:22,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product31.cil.c [2019-10-13 19:22:22,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d348bffae/4490fa2c968a481eb52ccf8587aecc7b/FLAGc173c556c [2019-10-13 19:22:23,603 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:22:23,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product31.cil.c [2019-10-13 19:22:23,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d348bffae/4490fa2c968a481eb52ccf8587aecc7b/FLAGc173c556c [2019-10-13 19:22:23,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d348bffae/4490fa2c968a481eb52ccf8587aecc7b [2019-10-13 19:22:23,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:22:23,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:22:23,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:22:23,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:22:23,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:22:23,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:23" (1/1) ... [2019-10-13 19:22:23,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4772fc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:23, skipping insertion in model container [2019-10-13 19:22:23,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:23" (1/1) ... [2019-10-13 19:22:23,863 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:22:23,951 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:22:24,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:22:24,752 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:22:24,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:22:25,062 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:22:25,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25 WrapperNode [2019-10-13 19:22:25,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:22:25,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:22:25,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:22:25,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:22:25,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:22:25,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:22:25,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:22:25,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:22:25,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (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 [2019-10-13 19:22:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:22:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:22:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:22:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:22:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:22:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:22:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:22:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:22:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:22:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:22:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:22:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:22:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:22:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:22:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:22:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:22:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:22:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:22:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:22:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:22:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:22:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:22:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:22:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:22:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:22:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:22:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:22:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:22:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:22:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:22:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:22:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:22:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:22:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:22:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:22:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:22:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:22:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:22:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:22:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:22:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:22:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:22:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:22:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:22:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:22:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:22:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:22:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:22:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:22:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:22:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:22:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:22:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:22:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:22:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:22:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:22:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:22:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:22:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:22:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:22:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:22:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:22:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:22:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:22:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:22:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:22:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:22:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:22:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:22:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:22:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:22:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:22:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:22:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:22:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:22:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:22:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:22:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:22:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:22:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:22:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:22:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:22:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:22:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:22:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:22:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:22:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:22:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:22:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:22:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:22:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:22:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:22:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:22:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:22:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:22:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:22:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:22:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:22:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:22:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:22:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:22:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:22:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:22:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:22:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:22:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:22:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:22:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:22:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:22:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:22:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:22:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:22:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:22:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:22:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:22:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:22:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:22:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:22:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:22:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:22:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:22:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:22:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:22:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:22:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:22:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:22:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:22:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:22:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:22:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:22:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:22:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:22:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:22:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:22:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:22:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:22:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:22:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:22:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:22:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:22:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:22:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:22:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:22:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:22:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:22:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:22:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:22:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:22:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:22:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:22:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:22:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:22:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:22:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:22:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:22:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:22:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:22:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:22:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:22:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:22:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:22:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:22:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:22:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:22:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:22:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:22:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:22:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:22:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:22:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:22:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:22:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:22:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:22:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:22:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:22:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:22:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:22:27,698 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:22:27,698 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:22:27,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:27 BoogieIcfgContainer [2019-10-13 19:22:27,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:22:27,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:22:27,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:22:27,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:22:27,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:22:23" (1/3) ... [2019-10-13 19:22:27,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a16669d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:27, skipping insertion in model container [2019-10-13 19:22:27,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (2/3) ... [2019-10-13 19:22:27,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a16669d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:27, skipping insertion in model container [2019-10-13 19:22:27,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:27" (3/3) ... [2019-10-13 19:22:27,708 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product31.cil.c [2019-10-13 19:22:27,718 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:22:27,728 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:22:27,741 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:22:27,790 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:22:27,790 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:22:27,790 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:22:27,791 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:22:27,791 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:22:27,791 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:22:27,791 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:22:27,791 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:22:27,830 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states. [2019-10-13 19:22:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 19:22:27,862 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:27,864 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:22:27,868 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:27,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:27,877 INFO L82 PathProgramCache]: Analyzing trace with hash 841338012, now seen corresponding path program 1 times [2019-10-13 19:22:27,886 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:27,888 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833299493] [2019-10-13 19:22:27,888 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:27,889 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:27,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:29,452 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:22:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:29,752 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:22:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:29,970 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:22:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:22:30,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833299493] [2019-10-13 19:22:30,325 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:30,325 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:22:30,325 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147578732] [2019-10-13 19:22:30,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:22:30,331 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:30,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:22:30,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:22:30,343 INFO L87 Difference]: Start difference. First operand 817 states. Second operand 10 states. [2019-10-13 19:22:31,276 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:22:32,220 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:22:33,107 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-13 19:22:34,903 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:22:53,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:22:53,622 INFO L93 Difference]: Finished difference Result 1853 states and 3228 transitions. [2019-10-13 19:22:53,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:22:53,624 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-10-13 19:22:53,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:22:53,659 INFO L225 Difference]: With dead ends: 1853 [2019-10-13 19:22:53,659 INFO L226 Difference]: Without dead ends: 1185 [2019-10-13 19:22:53,670 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:22:53,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-10-13 19:22:53,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 657. [2019-10-13 19:22:53,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2019-10-13 19:22:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1039 transitions. [2019-10-13 19:22:53,983 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1039 transitions. Word has length 133 [2019-10-13 19:22:53,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:22:53,984 INFO L462 AbstractCegarLoop]: Abstraction has 657 states and 1039 transitions. [2019-10-13 19:22:53,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:22:53,984 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1039 transitions. [2019-10-13 19:22:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 19:22:53,995 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:53,995 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:22:53,995 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:53,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:53,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1822294424, now seen corresponding path program 1 times [2019-10-13 19:22:53,996 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:53,996 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923956391] [2019-10-13 19:22:53,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:53,997 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:53,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,979 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:22:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,233 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:22:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,644 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:22:55,645 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923956391] [2019-10-13 19:22:55,645 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:55,645 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:22:55,645 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86315894] [2019-10-13 19:22:55,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:22:55,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:55,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:22:55,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:22:55,648 INFO L87 Difference]: Start difference. First operand 657 states and 1039 transitions. Second operand 10 states. [2019-10-13 19:22:56,415 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:22:57,307 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:22:58,167 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-13 19:22:59,703 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127