java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:21:39,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:21:39,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:21:39,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:21:39,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:21:39,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:21:39,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:21:39,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:21:39,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:21:39,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:21:39,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:21:39,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:21:39,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:21:39,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:21:40,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:21:40,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:21:40,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:21:40,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:21:40,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:21:40,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:21:40,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:21:40,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:21:40,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:21:40,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:21:40,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:21:40,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:21:40,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:21:40,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:21:40,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:21:40,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:21:40,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:21:40,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:21:40,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:21:40,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:21:40,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:21:40,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:21:40,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:21:40,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:21:40,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:21:40,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:21:40,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:21:40,033 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 19:21:40,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:21:40,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:21:40,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:21:40,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:21:40,055 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:21:40,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:21:40,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:21:40,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:21:40,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:21:40,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:21:40,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:21:40,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:21:40,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:21:40,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:21:40,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:21:40,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:21:40,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:21:40,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:21:40,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:21:40,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:21:40,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:21:40,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:21:40,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:21:40,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:21:40,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:21:40,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:21:40,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:21:40,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:21:40,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:21:40,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:21:40,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:21:40,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:21:40,367 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:21:40,368 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:21:40,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2019-10-13 19:21:40,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6480052/f1dedc9aae704c529809191fd54ff077/FLAGde68a8a4c [2019-10-13 19:21:41,139 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:21:41,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2019-10-13 19:21:41,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6480052/f1dedc9aae704c529809191fd54ff077/FLAGde68a8a4c [2019-10-13 19:21:41,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6480052/f1dedc9aae704c529809191fd54ff077 [2019-10-13 19:21:41,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:21:41,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:21:41,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:41,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:21:41,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:21:41,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:41" (1/1) ... [2019-10-13 19:21:41,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc1a0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:41, skipping insertion in model container [2019-10-13 19:21:41,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:41" (1/1) ... [2019-10-13 19:21:41,317 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:21:41,384 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:21:42,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:42,043 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:21:42,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:42,350 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:21:42,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42 WrapperNode [2019-10-13 19:21:42,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:42,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:21:42,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:21:42,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:21:42,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42" (1/1) ... [2019-10-13 19:21:42,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42" (1/1) ... [2019-10-13 19:21:42,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42" (1/1) ... [2019-10-13 19:21:42,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42" (1/1) ... [2019-10-13 19:21:42,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42" (1/1) ... [2019-10-13 19:21:42,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42" (1/1) ... [2019-10-13 19:21:42,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42" (1/1) ... [2019-10-13 19:21:42,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:21:42,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:21:42,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:21:42,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:21:42,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42" (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 19:21:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:21:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:21:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:21:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:21:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:21:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:21:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:21:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:21:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:21:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:21:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:21:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:21:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:21:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:21:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:21:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:21:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:21:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:21:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:21:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:21:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:21:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:21:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:21:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:21:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:21:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:21:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:21:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:21:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:21:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:21:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:21:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:21:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:21:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:21:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:21:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:21:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:21:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:21:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:21:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:21:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:21:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:21:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:21:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:21:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:21:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:21:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:21:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:21:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:21:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:21:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:21:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:21:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:21:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:21:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:21:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:21:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:21:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:21:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:21:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:21:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:21:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:21:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:21:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:21:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:21:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:21:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:21:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:21:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:21:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:21:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:21:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:21:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:21:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:21:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:21:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:21:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:21:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:21:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:21:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:21:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:21:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:21:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:21:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:21:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:21:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:21:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:21:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:21:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:21:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:21:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:21:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:21:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:21:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:21:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:21:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:21:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:21:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:21:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:21:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:21:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:21:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:21:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:21:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:21:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:21:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:21:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:21:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:21:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:21:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:21:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:21:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:21:44,991 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:21:44,991 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:21:44,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:44 BoogieIcfgContainer [2019-10-13 19:21:44,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:21:44,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:21:44,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:21:44,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:21:44,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:41" (1/3) ... [2019-10-13 19:21:44,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6e6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:44, skipping insertion in model container [2019-10-13 19:21:44,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42" (2/3) ... [2019-10-13 19:21:44,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6e6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:44, skipping insertion in model container [2019-10-13 19:21:44,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:44" (3/3) ... [2019-10-13 19:21:45,001 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product19.cil.c [2019-10-13 19:21:45,010 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:21:45,019 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:21:45,031 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:21:45,063 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:21:45,063 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:21:45,063 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:21:45,063 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:21:45,063 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:21:45,063 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:21:45,064 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:21:45,064 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:21:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states. [2019-10-13 19:21:45,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 19:21:45,133 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:45,137 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:45,141 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:45,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:45,147 INFO L82 PathProgramCache]: Analyzing trace with hash 707688551, now seen corresponding path program 1 times [2019-10-13 19:21:45,156 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:45,156 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751960358] [2019-10-13 19:21:45,157 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:45,157 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:45,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,657 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:21:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,932 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:21:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,172 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:21:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,485 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 19:21:47,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751960358] [2019-10-13 19:21:47,487 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:21:47,487 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:21:47,487 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727525155] [2019-10-13 19:21:47,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:21:47,491 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:47,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:21:47,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:21:47,503 INFO L87 Difference]: Start difference. First operand 770 states. Second operand 10 states. [2019-10-13 19:21:49,465 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:21:50,306 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-13 19:21:52,006 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:21:56,613 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:22:09,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:22:09,598 INFO L93 Difference]: Finished difference Result 1759 states and 3096 transitions. [2019-10-13 19:22:09,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:22:09,601 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-10-13 19:22:09,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:22:09,643 INFO L225 Difference]: With dead ends: 1759 [2019-10-13 19:22:09,643 INFO L226 Difference]: Without dead ends: 1138 [2019-10-13 19:22:09,653 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:22:09,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2019-10-13 19:22:09,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 610. [2019-10-13 19:22:09,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2019-10-13 19:22:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 973 transitions. [2019-10-13 19:22:09,939 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 973 transitions. Word has length 133 [2019-10-13 19:22:09,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:22:09,940 INFO L462 AbstractCegarLoop]: Abstraction has 610 states and 973 transitions. [2019-10-13 19:22:09,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:22:09,940 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 973 transitions. [2019-10-13 19:22:09,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 19:22:09,946 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:09,946 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:22:09,947 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:09,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:09,947 INFO L82 PathProgramCache]: Analyzing trace with hash -373174512, now seen corresponding path program 1 times [2019-10-13 19:22:09,947 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:09,947 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067731664] [2019-10-13 19:22:09,948 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:09,948 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:09,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:10,827 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:22:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,066 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:22:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,514 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:22:11,514 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067731664] [2019-10-13 19:22:11,515 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:11,515 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:22:11,515 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518650666] [2019-10-13 19:22:11,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:22:11,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:11,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:22:11,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:22:11,530 INFO L87 Difference]: Start difference. First operand 610 states and 973 transitions. Second operand 10 states. [2019-10-13 19:22:13,250 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:22:14,056 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-13 19:22:15,679 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:22:20,200 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121