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_spec9_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:47,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:47,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:47,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:47,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:48,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:48,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:48,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:48,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:48,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:48,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:48,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:48,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:48,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:48,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:48,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:48,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:48,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:48,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:48,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:48,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:48,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:48,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:48,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:48,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:48,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:48,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:48,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:48,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:48,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:48,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:48,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:48,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:48,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:48,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:48,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:48,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:48,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:48,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:48,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:48,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:48,062 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 19:23:48,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:48,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:48,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:48,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:48,077 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:48,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:48,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:48,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:48,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:48,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:48,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:48,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:48,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:48,079 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:48,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:48,080 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:48,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:48,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:48,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:48,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:48,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:48,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:48,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:48,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:48,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:48,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:48,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:48,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:48,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:48,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:48,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:48,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:48,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:48,363 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:48,364 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product11.cil.c [2019-10-13 19:23:48,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c01e56e/45aef756ee70481c8f5cd346282ae503/FLAGefe1d1934 [2019-10-13 19:23:49,130 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:49,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product11.cil.c [2019-10-13 19:23:49,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c01e56e/45aef756ee70481c8f5cd346282ae503/FLAGefe1d1934 [2019-10-13 19:23:49,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c01e56e/45aef756ee70481c8f5cd346282ae503 [2019-10-13 19:23:49,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:49,285 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:49,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:49,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:49,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:49,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:49" (1/1) ... [2019-10-13 19:23:49,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30047e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:49, skipping insertion in model container [2019-10-13 19:23:49,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:49" (1/1) ... [2019-10-13 19:23:49,300 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:49,380 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:50,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:50,097 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:50,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:50,348 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:50,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50 WrapperNode [2019-10-13 19:23:50,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:50,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:50,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:50,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:50,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (1/1) ... [2019-10-13 19:23:50,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:50,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:50,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:50,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:50,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (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 19:23:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:50,693 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:50,694 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:50,694 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:50,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:50,695 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:50,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:53,076 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:53,077 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:53,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:53 BoogieIcfgContainer [2019-10-13 19:23:53,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:53,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:53,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:53,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:53,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:49" (1/3) ... [2019-10-13 19:23:53,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f375c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:53, skipping insertion in model container [2019-10-13 19:23:53,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:50" (2/3) ... [2019-10-13 19:23:53,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f375c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:53, skipping insertion in model container [2019-10-13 19:23:53,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:53" (3/3) ... [2019-10-13 19:23:53,087 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product11.cil.c [2019-10-13 19:23:53,098 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:53,108 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:53,119 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:53,157 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:53,158 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:53,158 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:53,158 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:53,158 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:53,158 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:53,158 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:53,158 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:53,208 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states. [2019-10-13 19:23:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 19:23:53,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:53,244 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:53,248 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:53,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:53,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1577724025, now seen corresponding path program 1 times [2019-10-13 19:23:53,264 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:53,264 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408997244] [2019-10-13 19:23:53,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:53,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:53,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:54,848 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:23:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,117 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:23:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,315 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:23:55,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408997244] [2019-10-13 19:23:55,627 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:55,628 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:23:55,628 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238294213] [2019-10-13 19:23:55,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:23:55,634 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:55,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:23:55,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:23:55,651 INFO L87 Difference]: Start difference. First operand 756 states. Second operand 10 states. [2019-10-13 19:23:57,632 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:58,499 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-10-13 19:24:00,550 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:24:05,842 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:24:26,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:26,837 INFO L93 Difference]: Finished difference Result 1732 states and 3103 transitions. [2019-10-13 19:24:26,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:24:26,839 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2019-10-13 19:24:26,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:26,900 INFO L225 Difference]: With dead ends: 1732 [2019-10-13 19:24:26,900 INFO L226 Difference]: Without dead ends: 1125 [2019-10-13 19:24:26,916 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:24:26,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2019-10-13 19:24:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 596. [2019-10-13 19:24:27,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2019-10-13 19:24:27,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 953 transitions. [2019-10-13 19:24:27,223 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 953 transitions. Word has length 135 [2019-10-13 19:24:27,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:27,224 INFO L462 AbstractCegarLoop]: Abstraction has 596 states and 953 transitions. [2019-10-13 19:24:27,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:24:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 953 transitions. [2019-10-13 19:24:27,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-13 19:24:27,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:27,231 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:24:27,232 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:27,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:27,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1074929416, now seen corresponding path program 1 times [2019-10-13 19:24:27,233 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:27,233 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528493158] [2019-10-13 19:24:27,233 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:27,233 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:27,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,166 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:24:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,397 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:24:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:24:28,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528493158] [2019-10-13 19:24:28,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:28,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:24:28,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199339611] [2019-10-13 19:24:28,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:24:28,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:28,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:24:28,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:24:28,845 INFO L87 Difference]: Start difference. First operand 596 states and 953 transitions. Second operand 10 states. [2019-10-13 19:24:29,869 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112