/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:32:44,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:32:44,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:32:44,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:32:44,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:32:44,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:32:44,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:32:44,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:32:44,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:32:44,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:32:44,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:32:44,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:32:44,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:32:44,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:32:44,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:32:44,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:32:44,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:32:44,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:32:44,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:32:44,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:32:44,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:32:44,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:32:44,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:32:44,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:32:44,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:32:44,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:32:44,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:32:44,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:32:44,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:32:44,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:32:44,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:32:44,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:32:44,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:32:44,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:32:44,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:32:44,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:32:44,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:32:44,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:32:44,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:32:44,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:32:44,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:32:44,326 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 [2019-11-06 21:32:44,339 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:32:44,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:32:44,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:32:44,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:32:44,341 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:32:44,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:32:44,342 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:32:44,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:32:44,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:32:44,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:32:44,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:32:44,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:32:44,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:32:44,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:32:44,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:32:44,343 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:32:44,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:32:44,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:32:44,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:32:44,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:32:44,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:32:44,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:32:44,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:32:44,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:32:44,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:32:44,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:32:44,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:32:44,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:32:44,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:32:44,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:32:44,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:32:44,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:32:44,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:32:44,615 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:32:44,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product23.cil.c [2019-11-06 21:32:44,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f49dd9a/3fe232df45e14a9b91c263559899d269/FLAG8cbf62c48 [2019-11-06 21:32:45,309 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:32:45,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product23.cil.c [2019-11-06 21:32:45,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f49dd9a/3fe232df45e14a9b91c263559899d269/FLAG8cbf62c48 [2019-11-06 21:32:45,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f49dd9a/3fe232df45e14a9b91c263559899d269 [2019-11-06 21:32:45,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:32:45,567 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:32:45,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:45,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:32:45,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:32:45,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:45" (1/1) ... [2019-11-06 21:32:45,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723b2676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:45, skipping insertion in model container [2019-11-06 21:32:45,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:45" (1/1) ... [2019-11-06 21:32:45,584 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:32:45,648 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:32:46,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:46,399 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:32:46,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:46,690 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:32:46,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46 WrapperNode [2019-11-06 21:32:46,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:46,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:32:46,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:32:46,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:32:46,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:46,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:46,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:46,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:46,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:46,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:46,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:46,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:32:46,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:32:46,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:32:46,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:32:46,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (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 [2019-11-06 21:32:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:32:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:32:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:32:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:32:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:32:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:32:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:32:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:32:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:32:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:32:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:32:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:32:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:32:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:32:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:32:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:32:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:32:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:32:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:32:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:32:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:32:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:32:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:32:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:32:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:32:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:32:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:32:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:32:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:32:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:32:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:32:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:32:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:32:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:32:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:32:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:32:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:32:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:32:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:32:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:32:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:32:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:32:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:32:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:32:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:32:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:32:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:32:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:32:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:32:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:32:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:32:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:32:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:32:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:32:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:32:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:32:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:32:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-11-06 21:32:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-11-06 21:32:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:32:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:32:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:32:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-11-06 21:32:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-11-06 21:32:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:32:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:32:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:32:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:32:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:32:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-11-06 21:32:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-11-06 21:32:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:32:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:32:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:32:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:32:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:32:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:32:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:32:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:32:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:32:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:32:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:32:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:32:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:32:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:32:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:32:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:32:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:32:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:32:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:32:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:32:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:32:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:32:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:32:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:32:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:32:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:32:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:32:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:32:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:32:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:32:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:32:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:32:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:32:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:32:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:32:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:32:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:32:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:32:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:32:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:32:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:32:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:32:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:32:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:32:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:32:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:32:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:32:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:32:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:32:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:32:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:32:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:32:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:32:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:32:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:32:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:32:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:32:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:32:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:32:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:32:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-11-06 21:32:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-11-06 21:32:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:32:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:32:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:32:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:32:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:32:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:32:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:32:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-11-06 21:32:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-11-06 21:32:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:32:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:32:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-11-06 21:32:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-11-06 21:32:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:32:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:32:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:32:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:32:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:32:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:32:49,587 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:32:49,591 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:32:49,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:49 BoogieIcfgContainer [2019-11-06 21:32:49,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:32:49,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:32:49,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:32:49,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:32:49,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:32:45" (1/3) ... [2019-11-06 21:32:49,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3721dbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:49, skipping insertion in model container [2019-11-06 21:32:49,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (2/3) ... [2019-11-06 21:32:49,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3721dbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:49, skipping insertion in model container [2019-11-06 21:32:49,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:49" (3/3) ... [2019-11-06 21:32:49,603 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product23.cil.c [2019-11-06 21:32:49,613 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:32:49,622 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:32:49,635 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:32:49,678 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:32:49,678 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:32:49,678 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:32:49,678 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:32:49,679 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:32:49,679 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:32:49,679 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:32:49,679 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:32:49,724 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states. [2019-11-06 21:32:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-06 21:32:49,752 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:49,754 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:32:49,756 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:49,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:49,762 INFO L82 PathProgramCache]: Analyzing trace with hash -425142213, now seen corresponding path program 1 times [2019-11-06 21:32:49,771 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:49,772 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160149946] [2019-11-06 21:32:49,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,600 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:32:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,904 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-06 21:32:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,091 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:32:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:32:52,535 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160149946] [2019-11-06 21:32:52,536 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:52,536 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:32:52,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660926477] [2019-11-06 21:32:52,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:32:52,543 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:52,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:32:52,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:32:52,560 INFO L87 Difference]: Start difference. First operand 801 states. Second operand 10 states. [2019-11-06 21:32:53,567 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:32:54,523 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-11-06 21:32:55,427 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-11-06 21:32:57,352 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-06 21:33:02,710 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:33:15,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:33:15,839 INFO L93 Difference]: Finished difference Result 1821 states and 3182 transitions. [2019-11-06 21:33:15,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 21:33:15,841 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-11-06 21:33:15,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:33:15,881 INFO L225 Difference]: With dead ends: 1821 [2019-11-06 21:33:15,881 INFO L226 Difference]: Without dead ends: 1169 [2019-11-06 21:33:15,893 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-11-06 21:33:15,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2019-11-06 21:33:16,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 641. [2019-11-06 21:33:16,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2019-11-06 21:33:16,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 1016 transitions. [2019-11-06 21:33:16,211 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 1016 transitions. Word has length 133 [2019-11-06 21:33:16,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:33:16,211 INFO L462 AbstractCegarLoop]: Abstraction has 641 states and 1016 transitions. [2019-11-06 21:33:16,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:33:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1016 transitions. [2019-11-06 21:33:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-06 21:33:16,222 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:33:16,223 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:33:16,223 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:33:16,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:33:16,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1746655412, now seen corresponding path program 1 times [2019-11-06 21:33:16,224 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:33:16,224 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497067308] [2019-11-06 21:33:16,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:33:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,420 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:33:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,687 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-06 21:33:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,877 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:33:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:33:18,215 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497067308] [2019-11-06 21:33:18,215 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:33:18,216 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:33:18,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620077266] [2019-11-06 21:33:18,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:33:18,233 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:33:18,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:33:18,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:33:18,234 INFO L87 Difference]: Start difference. First operand 641 states and 1016 transitions. Second operand 10 states. [2019-11-06 21:33:20,369 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-11-06 21:33:21,255 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-11-06 21:33:23,135 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 127