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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:22,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:22,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:22,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:22,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:22,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:22,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:22,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:22,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:22,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:22,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:22,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:22,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:22,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:22,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:22,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:22,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:22,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:22,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:22,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:22,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:22,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:22,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:22,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:22,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:22,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:22,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:22,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:22,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:22,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:22,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:22,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:22,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:22,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:22,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:22,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:22,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:22,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:22,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:22,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:22,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:22,283 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 23:21:22,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:22,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:22,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:22,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:22,302 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:22,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:22,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:22,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:22,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:22,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:22,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:22,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:22,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:22,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:22,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:22,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:22,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:22,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:22,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:22,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:22,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:22,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:22,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:22,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:22,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:22,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:22,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:22,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:22,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:22,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:22,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:22,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:22,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:22,667 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:22,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product32.cil.c [2019-10-14 23:21:22,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a806fa3/938b71ce79b649a0970dd7d752c24815/FLAG3884dbd5e [2019-10-14 23:21:23,314 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:23,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product32.cil.c [2019-10-14 23:21:23,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a806fa3/938b71ce79b649a0970dd7d752c24815/FLAG3884dbd5e [2019-10-14 23:21:23,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a806fa3/938b71ce79b649a0970dd7d752c24815 [2019-10-14 23:21:23,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:23,580 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:23,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:23,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:23,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:23,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:23" (1/1) ... [2019-10-14 23:21:23,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ad9034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:23, skipping insertion in model container [2019-10-14 23:21:23,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:23" (1/1) ... [2019-10-14 23:21:23,596 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:23,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:24,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:24,480 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:24,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:24,700 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:24,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24 WrapperNode [2019-10-14 23:21:24,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:24,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:24,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:24,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:24,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24" (1/1) ... [2019-10-14 23:21:24,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24" (1/1) ... [2019-10-14 23:21:24,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24" (1/1) ... [2019-10-14 23:21:24,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24" (1/1) ... [2019-10-14 23:21:24,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24" (1/1) ... [2019-10-14 23:21:24,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24" (1/1) ... [2019-10-14 23:21:24,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24" (1/1) ... [2019-10-14 23:21:24,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:24,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:24,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:24,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:24,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24" (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 23:21:25,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:25,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:25,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:25,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:25,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:25,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:25,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:25,035 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:25,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:25,036 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:25,036 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:25,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:25,037 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:25,037 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:25,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:25,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:25,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:25,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:25,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:25,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:25,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:25,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:25,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:25,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:25,042 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:25,046 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:25,046 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:25,046 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:25,046 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:25,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:25,046 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:21:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:21:25,051 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:25,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:25,051 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:25,051 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:25,051 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:21:25,052 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:25,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:25,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:25,053 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-14 23:21:25,053 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:25,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-14 23:21:25,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:25,053 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:25,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:21:25,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:21:25,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:25,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:25,055 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:25,055 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:25,067 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:25,067 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:25,068 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:25,072 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:25,072 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:25,073 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:21:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:21:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:21:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:21:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:21:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-14 23:21:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-14 23:21:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:27,569 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:27,570 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:27,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:27 BoogieIcfgContainer [2019-10-14 23:21:27,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:27,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:27,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:27,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:27,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:23" (1/3) ... [2019-10-14 23:21:27,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a11ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:27, skipping insertion in model container [2019-10-14 23:21:27,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24" (2/3) ... [2019-10-14 23:21:27,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a11ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:27, skipping insertion in model container [2019-10-14 23:21:27,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:27" (3/3) ... [2019-10-14 23:21:27,580 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product32.cil.c [2019-10-14 23:21:27,592 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:27,601 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:27,613 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:27,654 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:27,655 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:27,655 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:27,655 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:27,655 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:27,655 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:27,655 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:27,655 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:27,704 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states. [2019-10-14 23:21:27,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-14 23:21:27,729 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:27,730 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 23:21:27,733 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:27,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:27,739 INFO L82 PathProgramCache]: Analyzing trace with hash 2061998394, now seen corresponding path program 1 times [2019-10-14 23:21:27,748 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:27,749 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234373337] [2019-10-14 23:21:27,749 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:27,749 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:27,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,357 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:21:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,635 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,039 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 23:21:30,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234373337] [2019-10-14 23:21:30,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:30,041 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:21:30,041 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031401960] [2019-10-14 23:21:30,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:21:30,046 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:30,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:21:30,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:21:30,063 INFO L87 Difference]: Start difference. First operand 833 states. Second operand 9 states. [2019-10-14 23:21:31,784 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-14 23:21:32,704 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-14 23:21:34,050 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:52,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:52,294 INFO L93 Difference]: Finished difference Result 1766 states and 3032 transitions. [2019-10-14 23:21:52,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:21:52,297 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-14 23:21:52,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:52,330 INFO L225 Difference]: With dead ends: 1766 [2019-10-14 23:21:52,330 INFO L226 Difference]: Without dead ends: 1104 [2019-10-14 23:21:52,343 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 23:21:52,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2019-10-14 23:21:52,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 666. [2019-10-14 23:21:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2019-10-14 23:21:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1052 transitions. [2019-10-14 23:21:52,621 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1052 transitions. Word has length 85 [2019-10-14 23:21:52,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:52,621 INFO L462 AbstractCegarLoop]: Abstraction has 666 states and 1052 transitions. [2019-10-14 23:21:52,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:21:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1052 transitions. [2019-10-14 23:21:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:21:52,627 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:52,627 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 23:21:52,627 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:52,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:52,628 INFO L82 PathProgramCache]: Analyzing trace with hash 190887692, now seen corresponding path program 1 times [2019-10-14 23:21:52,628 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:52,628 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868614781] [2019-10-14 23:21:52,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:52,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:52,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,571 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:21:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,857 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,184 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 23:21:54,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868614781] [2019-10-14 23:21:54,185 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:54,185 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:21:54,185 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983316243] [2019-10-14 23:21:54,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:21:54,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:54,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:21:54,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:21:54,188 INFO L87 Difference]: Start difference. First operand 666 states and 1052 transitions. Second operand 9 states. [2019-10-14 23:21:55,966 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-14 23:21:56,879 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-14 23:21:58,186 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 121