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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:10,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:10,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:10,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:10,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:10,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:10,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:10,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:10,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:10,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:10,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:10,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:10,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:10,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:10,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:10,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:10,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:10,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:10,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:10,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:10,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:10,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:10,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:10,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:10,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:10,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:10,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:10,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:10,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:10,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:10,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:10,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:10,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:10,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:10,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:10,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:10,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:10,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:10,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:10,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:10,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:10,526 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 23:21:10,542 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:10,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:10,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:10,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:10,544 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:10,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:10,545 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:10,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:10,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:10,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:10,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:10,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:10,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:10,547 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:10,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:10,547 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:10,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:10,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:10,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:10,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:10,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:10,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:10,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:10,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:10,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:10,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:10,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:10,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:10,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:10,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:10,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:10,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:10,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:10,840 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:10,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product25.cil.c [2019-10-14 23:21:10,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aff50f8e/3be73cd183204733b0b0f9e013440cbc/FLAG57e693ffe [2019-10-14 23:21:11,477 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:11,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product25.cil.c [2019-10-14 23:21:11,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aff50f8e/3be73cd183204733b0b0f9e013440cbc/FLAG57e693ffe [2019-10-14 23:21:11,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aff50f8e/3be73cd183204733b0b0f9e013440cbc [2019-10-14 23:21:11,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:11,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:11,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:11,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:11,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:11,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:11" (1/1) ... [2019-10-14 23:21:11,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7183b207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:11, skipping insertion in model container [2019-10-14 23:21:11,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:11" (1/1) ... [2019-10-14 23:21:11,742 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:11,825 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:12,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:12,571 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:12,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:12,760 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:12,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12 WrapperNode [2019-10-14 23:21:12,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:12,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:12,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:12,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:12,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (1/1) ... [2019-10-14 23:21:12,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:12,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:12,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:12,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:12,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (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 23:21:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:21:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:13,066 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:13,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:13,066 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:13,068 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:13,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:21:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:15,278 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:15,278 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:15,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:15 BoogieIcfgContainer [2019-10-14 23:21:15,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:15,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:15,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:15,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:15,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:11" (1/3) ... [2019-10-14 23:21:15,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523ed5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:15, skipping insertion in model container [2019-10-14 23:21:15,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:12" (2/3) ... [2019-10-14 23:21:15,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523ed5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:15, skipping insertion in model container [2019-10-14 23:21:15,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:15" (3/3) ... [2019-10-14 23:21:15,290 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product25.cil.c [2019-10-14 23:21:15,302 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:15,314 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:15,328 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:15,374 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:15,374 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:15,374 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:15,374 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:15,374 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:15,374 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:15,374 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:15,375 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states. [2019-10-14 23:21:15,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-14 23:21:15,447 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:15,448 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:15,451 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:15,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:15,457 INFO L82 PathProgramCache]: Analyzing trace with hash -517241816, now seen corresponding path program 1 times [2019-10-14 23:21:15,466 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:15,466 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194669313] [2019-10-14 23:21:15,466 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:15,466 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:15,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:16,962 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:21:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,243 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:21:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:21:17,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194669313] [2019-10-14 23:21:17,654 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:17,655 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:21:17,655 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43854740] [2019-10-14 23:21:17,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:21:17,660 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:17,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:21:17,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:21:17,674 INFO L87 Difference]: Start difference. First operand 758 states. Second operand 10 states. [2019-10-14 23:21:18,527 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:21:19,452 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:20,307 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-14 23:21:21,844 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:21:23,056 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:39,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:39,908 INFO L93 Difference]: Finished difference Result 1735 states and 3070 transitions. [2019-10-14 23:21:39,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 23:21:39,913 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2019-10-14 23:21:39,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:39,948 INFO L225 Difference]: With dead ends: 1735 [2019-10-14 23:21:39,948 INFO L226 Difference]: Without dead ends: 1126 [2019-10-14 23:21:39,961 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:21:39,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2019-10-14 23:21:40,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 598. [2019-10-14 23:21:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2019-10-14 23:21:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 960 transitions. [2019-10-14 23:21:40,230 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 960 transitions. Word has length 107 [2019-10-14 23:21:40,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:40,231 INFO L462 AbstractCegarLoop]: Abstraction has 598 states and 960 transitions. [2019-10-14 23:21:40,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:21:40,231 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 960 transitions. [2019-10-14 23:21:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-14 23:21:40,237 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:40,238 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:40,238 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:40,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:40,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1593007226, now seen corresponding path program 1 times [2019-10-14 23:21:40,239 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:40,239 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672398510] [2019-10-14 23:21:40,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:40,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:40,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,104 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:21:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,357 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:21:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:21:41,919 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672398510] [2019-10-14 23:21:41,920 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:41,920 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:21:41,967 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630895749] [2019-10-14 23:21:41,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:21:41,971 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:41,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:21:41,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:21:41,972 INFO L87 Difference]: Start difference. First operand 598 states and 960 transitions. Second operand 13 states. [2019-10-14 23:21:44,346 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:45,164 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-14 23:21:47,475 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:48,342 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:49,162 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:49,349 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-10-14 23:21:50,002 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:21:51,853 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121