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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:22:40,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:22:40,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:22:40,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:22:40,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:22:40,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:22:40,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:22:40,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:22:40,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:22:40,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:22:40,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:22:40,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:22:40,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:22:40,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:22:40,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:22:40,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:22:40,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:22:40,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:22:40,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:22:40,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:22:40,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:22:40,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:22:40,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:22:40,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:22:40,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:22:40,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:22:40,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:22:40,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:22:40,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:22:40,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:22:40,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:22:40,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:22:40,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:22:40,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:22:40,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:22:40,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:22:40,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:22:40,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:22:40,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:22:40,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:22:40,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:22:40,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:22:40,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:22:40,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:22:40,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:22:40,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:22:40,271 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:22:40,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:22:40,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:22:40,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:22:40,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:22:40,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:22:40,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:22:40,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:22:40,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:22:40,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:22:40,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:22:40,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:22:40,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:22:40,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:22:40,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:22:40,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:22:40,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:22:40,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:40,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:22:40,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:22:40,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:22:40,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:22:40,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:22:40,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:22:40,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:22:40,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:22:40,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:22:40,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:22:40,583 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:22:40,584 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:22:40,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product32.cil.c [2019-10-14 23:22:40,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef42ba13/f7738fdb693a484980399404ba31be62/FLAG646ed0134 [2019-10-14 23:22:41,276 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:22:41,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product32.cil.c [2019-10-14 23:22:41,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef42ba13/f7738fdb693a484980399404ba31be62/FLAG646ed0134 [2019-10-14 23:22:41,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef42ba13/f7738fdb693a484980399404ba31be62 [2019-10-14 23:22:41,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:22:41,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:22:41,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:41,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:22:41,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:22:41,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:41" (1/1) ... [2019-10-14 23:22:41,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ad9034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:41, skipping insertion in model container [2019-10-14 23:22:41,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:41" (1/1) ... [2019-10-14 23:22:41,505 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:22:41,592 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:22:42,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:42,405 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:22:42,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:42,673 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:22:42,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:42 WrapperNode [2019-10-14 23:22:42,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:42,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:22:42,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:22:42,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:22:42,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:42" (1/1) ... [2019-10-14 23:22:42,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:42" (1/1) ... [2019-10-14 23:22:42,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:42" (1/1) ... [2019-10-14 23:22:42,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:42" (1/1) ... [2019-10-14 23:22:42,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:42" (1/1) ... [2019-10-14 23:22:42,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:42" (1/1) ... [2019-10-14 23:22:42,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:42" (1/1) ... [2019-10-14 23:22:42,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:22:42,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:22:42,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:22:42,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:22:42,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:42" (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 [2019-10-14 23:22:43,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:22:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:22:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:22:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:22:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:22:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:22:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:22:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:22:43,056 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:22:43,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:43,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:43,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:43,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:22:43,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:22:43,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:22:43,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:43,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:43,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:22:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:22:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:22:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:22:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:22:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:22:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:22:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:22:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:22:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:22:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:22:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:22:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:22:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:22:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:22:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:22:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:22:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:22:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:22:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:22:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:22:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:22:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:22:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:22:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:22:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:22:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:22:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:22:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:22:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:22:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:22:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:22:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:22:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:22:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:22:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:22:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:22:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:22:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:22:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:22:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:22:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:22:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:22:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:22:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:22:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:22:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:22:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:22:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:22:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:22:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:22:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:22:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:22:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:22:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-14 23:22:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:22:43,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-14 23:22:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:22:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:22:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:22:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:22:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:22:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:22:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:22:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:22:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:22:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:22:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:22:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:22:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:22:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:22:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:22:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:22:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:22:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:22:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:22:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:22:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:22:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:22:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:22:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:22:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:22:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:22:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:22:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:22:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:22:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:22:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:22:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:22:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:22:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:22:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:22:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:22:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:22:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:22:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:22:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:22:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:22:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:22:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:22:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:22:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:22:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:22:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:22:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:22:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:22:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:22:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:22:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:22:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:22:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:22:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:22:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:22:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:22:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:22:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:22:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:22:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:22:43,105 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:22:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:22:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:22:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:22:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:22:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:22:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:22:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:22:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:22:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:22:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:22:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:22:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:22:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:22:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:22:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:22:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:22:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:22:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:22:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:22:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:22:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:22:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:22:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:22:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:22:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-14 23:22:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-14 23:22:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:22:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:22:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:22:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:22:45,517 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:22:45,518 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:22:45,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:45 BoogieIcfgContainer [2019-10-14 23:22:45,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:22:45,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:22:45,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:22:45,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:22:45,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:22:41" (1/3) ... [2019-10-14 23:22:45,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62af61a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:45, skipping insertion in model container [2019-10-14 23:22:45,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:42" (2/3) ... [2019-10-14 23:22:45,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62af61a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:45, skipping insertion in model container [2019-10-14 23:22:45,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:45" (3/3) ... [2019-10-14 23:22:45,529 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product32.cil.c [2019-10-14 23:22:45,539 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:22:45,548 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:22:45,559 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:22:45,596 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:22:45,596 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:22:45,596 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:22:45,597 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:22:45,597 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:22:45,597 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:22:45,597 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:22:45,597 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:22:45,641 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states. [2019-10-14 23:22:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-14 23:22:45,654 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:45,655 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:22:45,658 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:45,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:45,664 INFO L82 PathProgramCache]: Analyzing trace with hash 250994397, now seen corresponding path program 1 times [2019-10-14 23:22:45,673 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:45,673 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711807164] [2019-10-14 23:22:45,674 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:45,674 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:45,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,291 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:22:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,524 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,695 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:22:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:22:48,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711807164] [2019-10-14 23:22:48,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:48,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:22:48,022 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363834134] [2019-10-14 23:22:48,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:22:48,029 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:48,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:22:48,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:22:48,046 INFO L87 Difference]: Start difference. First operand 856 states. Second operand 12 states. [2019-10-14 23:22:49,329 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-14 23:22:50,285 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:51,162 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:52,011 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:52,953 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:53,831 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-14 23:22:56,972 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-14 23:23:14,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:14,476 INFO L93 Difference]: Finished difference Result 1720 states and 2936 transitions. [2019-10-14 23:23:14,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 23:23:14,479 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2019-10-14 23:23:14,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:14,508 INFO L225 Difference]: With dead ends: 1720 [2019-10-14 23:23:14,508 INFO L226 Difference]: Without dead ends: 1031 [2019-10-14 23:23:14,520 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2019-10-14 23:23:14,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2019-10-14 23:23:14,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 695. [2019-10-14 23:23:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2019-10-14 23:23:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 1093 transitions. [2019-10-14 23:23:14,822 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 1093 transitions. Word has length 93 [2019-10-14 23:23:14,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:14,822 INFO L462 AbstractCegarLoop]: Abstraction has 695 states and 1093 transitions. [2019-10-14 23:23:14,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:23:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1093 transitions. [2019-10-14 23:23:14,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-14 23:23:14,829 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:14,830 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:23:14,830 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:14,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:14,831 INFO L82 PathProgramCache]: Analyzing trace with hash -435355313, now seen corresponding path program 1 times [2019-10-14 23:23:14,831 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:14,831 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243819861] [2019-10-14 23:23:14,831 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:14,831 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:14,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,805 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:23:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:15,994 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:23:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:16,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:23:16,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243819861] [2019-10-14 23:23:16,260 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:16,261 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:23:16,261 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766201383] [2019-10-14 23:23:16,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:23:16,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:16,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:23:16,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:23:16,278 INFO L87 Difference]: Start difference. First operand 695 states and 1093 transitions. Second operand 9 states. [2019-10-14 23:23:17,974 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:23:18,763 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 394