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_spec3_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:34,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:34,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:34,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:34,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:34,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:34,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:34,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:34,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:34,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:34,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:34,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:34,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:34,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:34,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:34,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:34,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:34,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:34,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:34,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:34,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:35,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:35,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:35,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:35,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:35,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:35,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:35,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:35,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:35,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:35,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:35,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:35,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:35,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:35,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:35,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:35,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:35,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:35,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:35,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:35,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:35,027 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 19:23:35,046 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:35,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:35,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:35,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:35,049 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:35,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:35,049 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:35,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:35,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:35,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:35,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:35,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:35,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:35,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:35,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:35,052 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:35,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:35,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:35,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:35,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:35,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:35,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:35,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:35,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:35,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:35,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:35,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:35,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:35,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:35,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:35,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:35,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:35,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:35,359 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:35,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product31.cil.c [2019-10-13 19:23:35,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d948f861/4d65fadc53cc4f03827f9d4e209283c1/FLAG35607726b [2019-10-13 19:23:36,208 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:36,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product31.cil.c [2019-10-13 19:23:36,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d948f861/4d65fadc53cc4f03827f9d4e209283c1/FLAG35607726b [2019-10-13 19:23:36,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d948f861/4d65fadc53cc4f03827f9d4e209283c1 [2019-10-13 19:23:36,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:36,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:36,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:36,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:36,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:36,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:36" (1/1) ... [2019-10-13 19:23:36,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24048c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:36, skipping insertion in model container [2019-10-13 19:23:36,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:36" (1/1) ... [2019-10-13 19:23:36,289 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:36,380 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:37,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:37,130 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:37,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:37,367 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:37,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:37 WrapperNode [2019-10-13 19:23:37,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:37,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:37,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:37,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:37,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:37" (1/1) ... [2019-10-13 19:23:37,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:37" (1/1) ... [2019-10-13 19:23:37,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:37" (1/1) ... [2019-10-13 19:23:37,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:37" (1/1) ... [2019-10-13 19:23:37,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:37" (1/1) ... [2019-10-13 19:23:37,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:37" (1/1) ... [2019-10-13 19:23:37,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:37" (1/1) ... [2019-10-13 19:23:37,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:37,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:37,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:37,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:37,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:37" (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 19:23:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:37,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:37,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:23:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:23:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:23:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:23:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:40,458 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:40,459 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:40,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:40 BoogieIcfgContainer [2019-10-13 19:23:40,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:40,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:40,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:40,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:40,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:36" (1/3) ... [2019-10-13 19:23:40,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454e0808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:40, skipping insertion in model container [2019-10-13 19:23:40,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:37" (2/3) ... [2019-10-13 19:23:40,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454e0808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:40, skipping insertion in model container [2019-10-13 19:23:40,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:40" (3/3) ... [2019-10-13 19:23:40,469 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product31.cil.c [2019-10-13 19:23:40,480 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:40,490 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:40,503 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:40,547 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:40,547 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:40,547 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:40,547 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:40,547 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:40,548 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:40,548 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:40,548 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states. [2019-10-13 19:23:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-13 19:23:40,627 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:40,628 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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] [2019-10-13 19:23:40,630 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:40,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:40,635 INFO L82 PathProgramCache]: Analyzing trace with hash -734738765, now seen corresponding path program 1 times [2019-10-13 19:23:40,642 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:40,643 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589590421] [2019-10-13 19:23:40,643 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:40,643 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:40,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,378 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,633 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,841 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 19:23:43,227 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589590421] [2019-10-13 19:23:43,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:43,228 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:23:43,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478775969] [2019-10-13 19:23:43,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:23:43,234 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:43,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:23:43,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:23:43,251 INFO L87 Difference]: Start difference. First operand 837 states. Second operand 13 states. [2019-10-13 19:23:44,798 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-13 19:23:46,022 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:47,159 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:48,235 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:49,448 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:23:50,561 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 384 [2019-10-13 19:23:54,745 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-13 19:23:57,653 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:24:00,100 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:24:16,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:16,169 INFO L93 Difference]: Finished difference Result 1730 states and 3006 transitions. [2019-10-13 19:24:16,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-13 19:24:16,171 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2019-10-13 19:24:16,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:16,205 INFO L225 Difference]: With dead ends: 1730 [2019-10-13 19:24:16,206 INFO L226 Difference]: Without dead ends: 1047 [2019-10-13 19:24:16,219 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2019-10-13 19:24:16,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2019-10-13 19:24:16,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 683. [2019-10-13 19:24:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2019-10-13 19:24:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1078 transitions. [2019-10-13 19:24:16,533 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1078 transitions. Word has length 141 [2019-10-13 19:24:16,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:16,534 INFO L462 AbstractCegarLoop]: Abstraction has 683 states and 1078 transitions. [2019-10-13 19:24:16,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-13 19:24:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1078 transitions. [2019-10-13 19:24:16,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-13 19:24:16,541 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:16,542 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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 19:24:16,542 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:16,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:16,543 INFO L82 PathProgramCache]: Analyzing trace with hash -843585886, now seen corresponding path program 1 times [2019-10-13 19:24:16,543 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:16,543 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736606845] [2019-10-13 19:24:16,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:16,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:16,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat