java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec14_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:19:16,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:19:16,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:19:16,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:19:16,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:19:16,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:19:16,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:19:16,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:19:16,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:19:16,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:19:16,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:19:16,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:19:16,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:19:16,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:19:16,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:19:16,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:19:16,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:19:16,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:19:16,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:19:16,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:19:16,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:19:16,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:19:16,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:19:16,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:19:16,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:19:16,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:19:16,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:19:16,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:19:16,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:19:16,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:19:16,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:19:16,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:19:16,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:19:16,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:19:16,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:19:16,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:19:16,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:19:16,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:19:16,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:19:16,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:19:16,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:19:16,302 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 23:19:16,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:19:16,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:19:16,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:19:16,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:19:16,319 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:19:16,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:19:16,321 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:19:16,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:19:16,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:19:16,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:19:16,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:19:16,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:19:16,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:19:16,322 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:19:16,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:19:16,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:19:16,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:19:16,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:19:16,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:19:16,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:19:16,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:19:16,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:19:16,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:19:16,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:19:16,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:19:16,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:19:16,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:19:16,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:19:16,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:19:16,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:19:16,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:19:16,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:19:16,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:19:16,624 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:19:16,625 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product31.cil.c [2019-10-14 23:19:16,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b37ac4217/fdb88430a9bf456da38cade6e3a29068/FLAG942cdef31 [2019-10-14 23:19:17,353 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:19:17,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_product31.cil.c [2019-10-14 23:19:17,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b37ac4217/fdb88430a9bf456da38cade6e3a29068/FLAG942cdef31 [2019-10-14 23:19:17,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b37ac4217/fdb88430a9bf456da38cade6e3a29068 [2019-10-14 23:19:17,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:19:17,558 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:19:17,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:19:17,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:19:17,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:19:17,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:17" (1/1) ... [2019-10-14 23:19:17,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60aa197e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:17, skipping insertion in model container [2019-10-14 23:19:17,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:17" (1/1) ... [2019-10-14 23:19:17,575 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:19:17,658 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:19:18,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:19:18,391 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:19:18,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:19:18,664 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:19:18,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:18 WrapperNode [2019-10-14 23:19:18,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:19:18,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:19:18,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:19:18,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:19:18,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:18" (1/1) ... [2019-10-14 23:19:18,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:18" (1/1) ... [2019-10-14 23:19:18,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:18" (1/1) ... [2019-10-14 23:19:18,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:18" (1/1) ... [2019-10-14 23:19:18,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:18" (1/1) ... [2019-10-14 23:19:18,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:18" (1/1) ... [2019-10-14 23:19:18,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:18" (1/1) ... [2019-10-14 23:19:18,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:19:18,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:19:18,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:19:18,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:19:18,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:18" (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 23:19:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:19:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:19:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:19:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:19:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:19:18,965 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:19:18,965 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:19:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:19:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:19:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:19:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:19:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:19:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:19:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:19:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:19:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:19:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:19:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:19:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:19:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:19:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:19:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:19:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:19:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:19:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:19:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:19:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:19:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:19:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:19:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:19:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:19:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:19:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:19:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:19:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:19:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:19:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:19:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:19:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:19:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:19:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:19:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:19:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:19:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:19:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:19:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:19:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:19:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:19:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:19:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:19:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:19:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:19:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:19:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:19:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:19:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:19:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:19:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:19:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:19:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:19:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:19:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:19:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:19:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:19:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:19:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:19:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:19:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:19:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:19:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:19:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:19:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:19:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:19:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:19:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:19:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-10-14 23:19:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:19:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:19:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:19:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:19:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:19:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:19:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:19:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:19:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:19:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:19:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:19:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:19:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:19:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:19:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:19:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:19:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:19:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:19:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:19:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:19:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:19:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:19:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:19:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:19:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:19:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:19:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:19:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:19:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:19:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:19:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:19:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:19:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:19:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:19:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:19:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:19:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:19:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:19:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:19:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:19:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:19:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:19:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:19:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:19:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:19:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:19:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:19:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:19:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:19:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:19:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:19:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:19:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:19:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:19:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:19:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:19:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:19:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:19:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:19:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:19:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:19:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:19:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:19:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:19:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:19:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:19:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:19:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:19:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:19:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:19:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-10-14 23:19:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:19:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:19:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:19:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:19:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:19:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:19:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:19:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:19:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:19:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:19:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:19:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:19:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:19:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:19:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:19:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:19:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:19:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:19:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:19:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:19:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:19:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:19:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:19:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:19:21,650 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:19:21,650 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:19:21,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:21 BoogieIcfgContainer [2019-10-14 23:19:21,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:19:21,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:19:21,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:19:21,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:19:21,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:19:17" (1/3) ... [2019-10-14 23:19:21,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b7c711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:21, skipping insertion in model container [2019-10-14 23:19:21,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:18" (2/3) ... [2019-10-14 23:19:21,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b7c711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:21, skipping insertion in model container [2019-10-14 23:19:21,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:21" (3/3) ... [2019-10-14 23:19:21,663 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product31.cil.c [2019-10-14 23:19:21,674 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:19:21,685 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:19:21,697 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:19:21,743 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:19:21,743 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:19:21,743 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:19:21,743 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:19:21,743 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:19:21,743 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:19:21,744 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:19:21,744 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:19:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states. [2019-10-14 23:19:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-14 23:19:21,823 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:19:21,825 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:19:21,827 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:19:21,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:19:21,833 INFO L82 PathProgramCache]: Analyzing trace with hash 716807199, now seen corresponding path program 1 times [2019-10-14 23:19:21,842 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:19:21,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580638506] [2019-10-14 23:19:21,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:21,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:21,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:19:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,350 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:19:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,518 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:19:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-14 23:19:23,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580638506] [2019-10-14 23:19:23,790 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:19:23,790 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:19:23,791 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946610170] [2019-10-14 23:19:23,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:19:23,799 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:19:23,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:19:23,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:19:23,816 INFO L87 Difference]: Start difference. First operand 782 states. Second operand 8 states. [2019-10-14 23:19:25,504 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:19:26,364 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-14 23:19:39,789 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:19:46,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:19:46,468 INFO L93 Difference]: Finished difference Result 1594 states and 2712 transitions. [2019-10-14 23:19:46,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-14 23:19:46,471 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2019-10-14 23:19:46,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:19:46,505 INFO L225 Difference]: With dead ends: 1594 [2019-10-14 23:19:46,505 INFO L226 Difference]: Without dead ends: 918 [2019-10-14 23:19:46,520 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:19:46,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2019-10-14 23:19:46,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 634. [2019-10-14 23:19:46,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2019-10-14 23:19:46,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 994 transitions. [2019-10-14 23:19:46,779 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 994 transitions. Word has length 135 [2019-10-14 23:19:46,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:19:46,780 INFO L462 AbstractCegarLoop]: Abstraction has 634 states and 994 transitions. [2019-10-14 23:19:46,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:19:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 994 transitions. [2019-10-14 23:19:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-14 23:19:46,790 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:19:46,790 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:19:46,790 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:19:46,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:19:46,791 INFO L82 PathProgramCache]: Analyzing trace with hash -936222646, now seen corresponding path program 1 times [2019-10-14 23:19:46,791 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:19:46,791 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167850250] [2019-10-14 23:19:46,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:46,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:46,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:19:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,738 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:19:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-14 23:19:48,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167850250] [2019-10-14 23:19:48,086 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:19:48,086 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:19:48,086 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380285383] [2019-10-14 23:19:48,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:19:48,101 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:19:48,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:19:48,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:19:48,106 INFO L87 Difference]: Start difference. First operand 634 states and 994 transitions. Second operand 8 states. [2019-10-14 23:19:49,511 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:19:50,299 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 381