java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:22:05,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:22:05,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:22:05,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:22:05,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:22:05,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:22:05,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:22:05,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:22:05,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:22:05,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:22:05,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:22:05,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:22:05,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:22:05,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:22:05,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:22:05,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:22:05,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:22:05,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:22:05,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:22:05,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:22:05,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:22:05,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:22:05,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:22:05,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:22:05,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:22:05,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:22:05,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:22:05,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:22:05,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:22:05,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:22:05,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:22:05,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:22:05,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:22:05,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:22:05,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:22:05,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:22:05,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:22:05,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:22:05,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:22:05,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:22:05,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:22:05,967 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:22:05,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:22:05,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:22:05,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:22:05,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:22:05,996 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:22:05,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:22:05,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:22:05,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:22:05,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:22:05,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:22:05,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:22:05,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:22:05,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:22:05,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:22:05,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:22:05,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:22:05,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:22:05,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:22:05,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:22:05,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:22:05,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:22:05,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:05,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:22:06,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:22:06,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:22:06,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:22:06,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:22:06,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:22:06,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:22:06,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:22:06,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:22:06,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:22:06,309 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:22:06,310 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:22:06,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c [2019-10-14 23:22:06,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e36df3403/dec8bab0424a48d3be5c124937c8a9a0/FLAGe2aa3bcbf [2019-10-14 23:22:07,062 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:22:07,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c [2019-10-14 23:22:07,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e36df3403/dec8bab0424a48d3be5c124937c8a9a0/FLAGe2aa3bcbf [2019-10-14 23:22:07,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e36df3403/dec8bab0424a48d3be5c124937c8a9a0 [2019-10-14 23:22:07,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:22:07,204 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:22:07,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:07,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:22:07,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:22:07,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:07" (1/1) ... [2019-10-14 23:22:07,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:07, skipping insertion in model container [2019-10-14 23:22:07,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:07" (1/1) ... [2019-10-14 23:22:07,220 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:22:07,304 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:22:08,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:08,067 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:22:08,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:08,318 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:22:08,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:08 WrapperNode [2019-10-14 23:22:08,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:08,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:22:08,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:22:08,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:22:08,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:08" (1/1) ... [2019-10-14 23:22:08,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:08" (1/1) ... [2019-10-14 23:22:08,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:08" (1/1) ... [2019-10-14 23:22:08,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:08" (1/1) ... [2019-10-14 23:22:08,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:08" (1/1) ... [2019-10-14 23:22:08,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:08" (1/1) ... [2019-10-14 23:22:08,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:08" (1/1) ... [2019-10-14 23:22:08,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:22:08,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:22:08,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:22:08,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:22:08,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:22:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:22:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:22:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:22:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:22:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:22:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:22:08,622 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:22:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:22:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:22:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:22:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:22:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:22:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:22:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:22:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:22:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:22:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:22:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:22:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:22:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:22:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:22:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:22:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:22:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:22:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:22:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:22:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:22:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:22:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:22:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:22:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:22:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:22:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:22:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:22:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:22:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:22:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:22:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:22:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:22:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:22:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:22:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:22:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-14 23:22:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:22:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-14 23:22:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:22:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:22:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:22:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:22:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:22:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:22:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:22:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:22:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:22:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:22:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:22:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:22:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:22:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:22:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:22:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:22:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:22:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:22:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:22:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:22:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:22:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:22:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:22:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:22:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:22:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:22:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:22:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:22:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:22:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:22:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:22:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:22:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:22:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:22:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:22:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:22:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:22:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:22:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:22:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:22:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:22:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:22:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:22:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:22:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:22:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:22:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:22:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:22:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:22:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:22:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:22:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:22:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:22:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:22:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:22:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:22:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:22:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:22:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:22:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:22:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:22:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:22:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:22:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:22:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:22:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:22:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:22:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:22:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:22:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:22:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:22:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:22:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:22:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:22:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:22:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:22:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:22:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:22:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:22:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:22:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:22:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:22:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:22:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-14 23:22:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-14 23:22:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:22:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:22:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:22:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:22:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:22:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:22:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:22:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:22:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:22:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:22:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:22:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:22:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:22:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:22:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:22:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:22:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:22:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:22:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:22:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:22:11,038 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:22:11,039 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:22:11,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:11 BoogieIcfgContainer [2019-10-14 23:22:11,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:22:11,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:22:11,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:22:11,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:22:11,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:22:07" (1/3) ... [2019-10-14 23:22:11,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199376a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:11, skipping insertion in model container [2019-10-14 23:22:11,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:08" (2/3) ... [2019-10-14 23:22:11,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199376a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:11, skipping insertion in model container [2019-10-14 23:22:11,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:11" (3/3) ... [2019-10-14 23:22:11,049 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product24.cil.c [2019-10-14 23:22:11,060 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:22:11,070 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:22:11,083 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:22:11,134 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:22:11,134 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:22:11,135 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:22:11,135 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:22:11,135 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:22:11,135 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:22:11,135 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:22:11,135 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:22:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2019-10-14 23:22:11,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-14 23:22:11,206 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:11,207 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:11,211 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:11,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:11,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1561812380, now seen corresponding path program 1 times [2019-10-14 23:22:11,227 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:11,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298770608] [2019-10-14 23:22:11,229 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:11,230 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:11,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:12,823 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:22:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,044 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,210 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:22:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:22:13,487 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298770608] [2019-10-14 23:22:13,488 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:13,488 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:22:13,488 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677414777] [2019-10-14 23:22:13,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:22:13,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:13,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:22:13,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:22:13,508 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 12 states. [2019-10-14 23:22:14,814 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-14 23:22:15,854 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:16,836 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:17,719 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:18,701 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:19,603 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-14 23:22:23,043 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-14 23:22:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:22:41,016 INFO L93 Difference]: Finished difference Result 1683 states and 2883 transitions. [2019-10-14 23:22:41,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 23:22:41,019 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2019-10-14 23:22:41,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:22:41,058 INFO L225 Difference]: With dead ends: 1683 [2019-10-14 23:22:41,059 INFO L226 Difference]: Without dead ends: 1010 [2019-10-14 23:22:41,069 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2019-10-14 23:22:41,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2019-10-14 23:22:41,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 679. [2019-10-14 23:22:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2019-10-14 23:22:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1070 transitions. [2019-10-14 23:22:41,400 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1070 transitions. Word has length 93 [2019-10-14 23:22:41,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:22:41,401 INFO L462 AbstractCegarLoop]: Abstraction has 679 states and 1070 transitions. [2019-10-14 23:22:41,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:22:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1070 transitions. [2019-10-14 23:22:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-14 23:22:41,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:41,407 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:41,407 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:41,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:41,408 INFO L82 PathProgramCache]: Analyzing trace with hash 46311185, now seen corresponding path program 1 times [2019-10-14 23:22:41,408 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:41,408 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504720421] [2019-10-14 23:22:41,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:41,409 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:41,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,374 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:22:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,580 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:22:42,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504720421] [2019-10-14 23:22:42,931 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:42,931 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:22:42,931 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277455484] [2019-10-14 23:22:42,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:22:42,948 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:42,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:22:42,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:22:42,950 INFO L87 Difference]: Start difference. First operand 679 states and 1070 transitions. Second operand 9 states. [2019-10-14 23:22:44,745 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:45,649 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:22:48,288 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 148