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_spec14_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:20:14,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:20:14,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:20:14,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:20:14,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:20:14,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:20:14,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:20:14,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:20:14,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:20:14,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:20:14,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:20:14,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:20:14,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:20:14,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:20:14,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:20:14,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:20:14,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:20:14,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:20:14,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:20:14,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:20:14,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:20:14,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:20:14,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:20:14,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:20:14,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:20:14,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:20:14,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:20:14,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:20:14,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:20:14,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:20:14,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:20:14,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:20:14,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:20:14,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:20:14,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:20:14,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:20:14,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:20:14,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:20:14,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:20:14,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:20:14,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:20:14,288 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 19:20:14,303 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:20:14,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:20:14,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:20:14,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:20:14,305 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:20:14,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:20:14,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:20:14,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:20:14,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:20:14,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:20:14,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:20:14,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:20:14,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:20:14,309 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:20:14,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:20:14,309 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:20:14,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:20:14,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:20:14,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:20:14,311 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:20:14,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:20:14,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:20:14,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:20:14,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:20:14,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:20:14,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:20:14,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:20:14,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:20:14,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:20:14,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:20:14,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:20:14,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:20:14,598 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:20:14,599 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:20:14,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product27.cil.c [2019-10-13 19:20:14,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7cda7838/25b2e159c7df4e179a7a887bf2178ac6/FLAG7083da1d7 [2019-10-13 19:20:15,239 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:20:15,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_product27.cil.c [2019-10-13 19:20:15,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7cda7838/25b2e159c7df4e179a7a887bf2178ac6/FLAG7083da1d7 [2019-10-13 19:20:15,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7cda7838/25b2e159c7df4e179a7a887bf2178ac6 [2019-10-13 19:20:15,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:20:15,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:20:15,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:20:15,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:20:15,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:20:15,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:15" (1/1) ... [2019-10-13 19:20:15,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60aa197e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:15, skipping insertion in model container [2019-10-13 19:20:15,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:15" (1/1) ... [2019-10-13 19:20:15,547 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:20:15,635 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:20:16,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:20:16,447 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:20:16,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:20:16,697 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:20:16,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:16 WrapperNode [2019-10-13 19:20:16,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:20:16,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:20:16,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:20:16,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:20:16,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:16" (1/1) ... [2019-10-13 19:20:16,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:16" (1/1) ... [2019-10-13 19:20:16,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:16" (1/1) ... [2019-10-13 19:20:16,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:16" (1/1) ... [2019-10-13 19:20:16,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:16" (1/1) ... [2019-10-13 19:20:16,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:16" (1/1) ... [2019-10-13 19:20:16,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:16" (1/1) ... [2019-10-13 19:20:16,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:20:16,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:20:16,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:20:16,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:20:16,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:16" (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 19:20:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:20:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:20:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:20:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:20:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:20:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:20:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:20:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:20:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:20:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:20:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:20:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:20:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:20:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:20:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:20:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:20:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:20:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:20:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:20:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:20:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:20:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:20:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:20:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:20:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:20:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:20:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:20:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:20:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:20:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:20:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:20:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:20:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:20:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:20:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:20:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:20:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:20:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:20:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:20:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:20:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:20:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:20:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:20:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:20:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:20:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:20:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:20:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:20:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:20:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:20:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:20:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:20:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:20:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:20:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:20:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:20:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:20:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:20:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:20:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:20:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:20:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:20:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:20:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:20:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-10-13 19:20:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:20:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:20:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:20:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:20:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:20:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:20:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:20:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:20:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:20:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:20:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:20:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:20:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:20:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:20:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:20:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:20:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:20:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:20:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:20:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:20:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:20:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:20:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:20:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:20:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:20:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:20:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:20:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:20:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:20:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:20:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:20:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:20:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:20:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:20:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:20:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:20:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:20:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:20:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:20:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:20:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:20:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:20:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:20:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:20:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:20:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:20:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:20:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:20:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:20:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:20:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:20:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:20:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-10-13 19:20:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:20:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:20:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:20:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:20:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:20:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:20:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:20:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:20:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:20:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:20:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:20:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:20:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:20:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:20:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:20:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:20:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:20:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:20:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:20:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:20:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:20:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:20:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:20:17,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:20:17,043 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:20:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:20:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:20:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:20:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:20:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:20:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:20:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:20:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:20:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:20:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:20:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:20:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:20:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:20:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:20:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:20:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:20:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:20:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:20:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:20:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:20:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:20:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:20:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:20:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:20:19,393 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:20:19,394 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:20:19,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:19 BoogieIcfgContainer [2019-10-13 19:20:19,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:20:19,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:20:19,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:20:19,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:20:19,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:20:15" (1/3) ... [2019-10-13 19:20:19,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294c40c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:19, skipping insertion in model container [2019-10-13 19:20:19,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:16" (2/3) ... [2019-10-13 19:20:19,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294c40c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:19, skipping insertion in model container [2019-10-13 19:20:19,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:19" (3/3) ... [2019-10-13 19:20:19,405 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product27.cil.c [2019-10-13 19:20:19,415 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:20:19,425 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:20:19,436 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:20:19,470 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:20:19,471 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:20:19,471 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:20:19,471 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:20:19,471 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:20:19,471 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:20:19,471 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:20:19,471 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:20:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states. [2019-10-13 19:20:19,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 19:20:19,539 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:20:19,540 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:19,542 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:20:19,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:20:19,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1973380872, now seen corresponding path program 1 times [2019-10-13 19:20:19,559 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:20:19,560 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640568622] [2019-10-13 19:20:19,560 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:19,560 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:19,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:20:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,091 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:20:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:21,468 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 19:20:21,468 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640568622] [2019-10-13 19:20:21,469 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:20:21,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:20:21,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613167751] [2019-10-13 19:20:21,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:20:21,478 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:20:21,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:20:21,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:20:21,496 INFO L87 Difference]: Start difference. First operand 751 states. Second operand 8 states. [2019-10-13 19:20:23,102 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:20:23,928 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-13 19:20:36,905 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:20:43,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:20:43,443 INFO L93 Difference]: Finished difference Result 1532 states and 2626 transitions. [2019-10-13 19:20:43,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 19:20:43,446 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2019-10-13 19:20:43,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:20:43,480 INFO L225 Difference]: With dead ends: 1532 [2019-10-13 19:20:43,481 INFO L226 Difference]: Without dead ends: 887 [2019-10-13 19:20:43,493 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:20:43,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2019-10-13 19:20:43,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 603. [2019-10-13 19:20:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2019-10-13 19:20:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 951 transitions. [2019-10-13 19:20:43,760 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 951 transitions. Word has length 135 [2019-10-13 19:20:43,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:20:43,760 INFO L462 AbstractCegarLoop]: Abstraction has 603 states and 951 transitions. [2019-10-13 19:20:43,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:20:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 951 transitions. [2019-10-13 19:20:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 19:20:43,770 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:20:43,771 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:43,772 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:20:43,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:20:43,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1520755359, now seen corresponding path program 1 times [2019-10-13 19:20:43,774 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:20:43,774 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021215965] [2019-10-13 19:20:43,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:43,778 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:43,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:20:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,676 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:20:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 19:20:44,995 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021215965] [2019-10-13 19:20:44,995 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:20:44,995 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:20:44,996 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71978115] [2019-10-13 19:20:45,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:20:45,013 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:20:45,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:20:45,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:20:45,014 INFO L87 Difference]: Start difference. First operand 603 states and 951 transitions. Second operand 8 states. [2019-10-13 19:20:46,310 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:20:47,098 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-13 19:20:48,581 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 112