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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:40:36,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:40:36,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:40:36,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:40:36,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:40:36,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:40:36,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:40:36,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:40:36,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:40:36,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:40:36,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:40:36,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:40:36,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:40:36,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:40:36,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:40:36,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:40:36,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:40:36,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:40:36,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:40:36,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:40:36,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:40:36,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:40:36,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:40:36,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:40:36,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:40:36,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:40:36,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:40:36,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:40:36,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:40:36,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:40:36,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:40:36,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:40:36,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:40:36,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:40:36,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:40:36,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:40:36,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:40:36,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:40:36,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:40:36,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:40:36,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:40:36,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:40:36,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:40:36,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:40:36,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:40:36,098 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:40:36,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:40:36,099 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:40:36,099 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:40:36,100 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:40:36,100 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:40:36,100 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:40:36,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:40:36,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:40:36,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:40:36,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:40:36,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:40:36,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:40:36,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:40:36,103 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:40:36,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:40:36,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:40:36,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:40:36,105 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:40:36,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:40:36,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:40:36,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:40:36,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:40:36,106 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:40:36,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:40:36,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:40:36,106 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:40:36,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:40:36,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:40:36,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:40:36,185 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:40:36,186 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:40:36,187 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c [2019-10-03 02:40:36,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fe94e361/4066e68ed53d47238cae5cd4e4679ac6/FLAG5efd8ddb7 [2019-10-03 02:40:36,909 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:40:36,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product26.cil.c [2019-10-03 02:40:36,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fe94e361/4066e68ed53d47238cae5cd4e4679ac6/FLAG5efd8ddb7 [2019-10-03 02:40:37,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fe94e361/4066e68ed53d47238cae5cd4e4679ac6 [2019-10-03 02:40:37,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:40:37,090 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:40:37,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:40:37,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:40:37,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:40:37,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:40:37" (1/1) ... [2019-10-03 02:40:37,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5163d5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:37, skipping insertion in model container [2019-10-03 02:40:37,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:40:37" (1/1) ... [2019-10-03 02:40:37,112 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:40:37,192 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:40:37,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:40:37,890 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:40:38,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:40:38,155 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:40:38,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:38 WrapperNode [2019-10-03 02:40:38,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:40:38,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:40:38,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:40:38,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:40:38,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:38" (1/1) ... [2019-10-03 02:40:38,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:38" (1/1) ... [2019-10-03 02:40:38,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:38" (1/1) ... [2019-10-03 02:40:38,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:38" (1/1) ... [2019-10-03 02:40:38,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:38" (1/1) ... [2019-10-03 02:40:38,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:38" (1/1) ... [2019-10-03 02:40:38,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:38" (1/1) ... [2019-10-03 02:40:38,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:40:38,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:40:38,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:40:38,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:40:38,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:38" (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 [2019-10-03 02:40:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:40:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:40:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:40:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:40:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-03 02:40:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-03 02:40:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-03 02:40:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-03 02:40:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-03 02:40:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-03 02:40:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-03 02:40:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-03 02:40:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-03 02:40:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-03 02:40:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-03 02:40:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-03 02:40:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-03 02:40:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-03 02:40:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-03 02:40:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-03 02:40:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-03 02:40:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-03 02:40:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-03 02:40:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-03 02:40:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-03 02:40:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-03 02:40:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-03 02:40:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2019-10-03 02:40:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:40:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2019-10-03 02:40:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-03 02:40:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-03 02:40:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:40:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:40:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:40:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:40:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:40:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:40:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:40:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:40:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:40:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:40:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-03 02:40:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-03 02:40:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-03 02:40:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-03 02:40:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-03 02:40:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-03 02:40:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-03 02:40:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-03 02:40:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-03 02:40:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-03 02:40:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-03 02:40:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-03 02:40:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-03 02:40:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-03 02:40:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-03 02:40:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-03 02:40:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-03 02:40:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:40:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-03 02:40:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-03 02:40:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-03 02:40:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:40:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-03 02:40:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:40:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:40:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:40:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:40:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-03 02:40:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-03 02:40:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-03 02:40:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-03 02:40:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-03 02:40:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-03 02:40:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-03 02:40:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-03 02:40:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:40:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:40:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-03 02:40:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-03 02:40:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:40:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:40:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:40:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-03 02:40:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-03 02:40:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-03 02:40:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-03 02:40:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-03 02:40:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-03 02:40:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-03 02:40:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-03 02:40:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-03 02:40:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:40:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-03 02:40:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-03 02:40:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-03 02:40:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-03 02:40:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-03 02:40:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-03 02:40:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-03 02:40:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-03 02:40:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-03 02:40:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-03 02:40:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-03 02:40:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-03 02:40:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-03 02:40:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-03 02:40:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-03 02:40:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-03 02:40:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-03 02:40:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-03 02:40:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-03 02:40:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-03 02:40:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-03 02:40:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-03 02:40:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-03 02:40:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2019-10-03 02:40:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-03 02:40:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2019-10-03 02:40:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:40:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-03 02:40:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:40:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:40:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:40:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:40:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:40:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:40:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:40:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:40:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:40:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:40:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:40:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:40:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:40:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:40:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:40:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:40:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:40:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:40:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:40:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:40:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-03 02:40:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-03 02:40:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-03 02:40:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-03 02:40:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:40:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-03 02:40:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-03 02:40:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-03 02:40:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 02:40:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-03 02:40:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-03 02:40:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-03 02:40:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-03 02:40:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-03 02:40:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-03 02:40:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-03 02:40:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-03 02:40:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-03 02:40:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:40:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-03 02:40:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:40:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-03 02:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:40:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:40:41,368 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:40:41,369 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-03 02:40:41,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:40:41 BoogieIcfgContainer [2019-10-03 02:40:41,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:40:41,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:40:41,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:40:41,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:40:41,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:40:37" (1/3) ... [2019-10-03 02:40:41,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a46cb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:40:41, skipping insertion in model container [2019-10-03 02:40:41,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:38" (2/3) ... [2019-10-03 02:40:41,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a46cb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:40:41, skipping insertion in model container [2019-10-03 02:40:41,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:40:41" (3/3) ... [2019-10-03 02:40:41,383 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product26.cil.c [2019-10-03 02:40:41,394 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:40:41,407 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:40:41,426 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:40:41,458 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:40:41,459 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:40:41,459 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:40:41,459 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:40:41,459 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:40:41,459 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:40:41,459 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:40:41,460 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:40:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2019-10-03 02:40:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-03 02:40:41,543 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:40:41,546 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:40:41,550 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:40:41,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:40:41,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1704372100, now seen corresponding path program 1 times [2019-10-03 02:40:41,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:40:41,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:40:41,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:40:41,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:40:41,617 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:40:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:40:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-03 02:40:42,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:40:42,131 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:40:42,132 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 117 with the following transitions: [2019-10-03 02:40:42,135 INFO L207 CegarAbsIntRunner]: [0], [2], [4], [57], [58], [408], [412], [415], [431], [433], [435], [472], [859], [929], [931], [966], [968], [969], [971], [974], [977], [987], [992], [993], [994], [999], [1032], [1033], [1115], [1118], [1121], [1298], [1351], [1355], [1379], [1693], [1696], [1718], [1858], [1859], [2141], [2251], [2253], [2272], [2292], [2312], [2332], [2352], [2354], [2357], [2387], [2388], [2427], [2430], [2454], [2455], [2456], [2457], [2458], [2515], [2516], [2517], [2518], [2519], [2520], [2521], [2522], [2523], [2533], [2534], [2535], [2536], [2583], [2584], [2585], [2586], [2587], [2588], [2611], [2612], [2619], [2620], [2625], [2626], [2641], [2642], [2669], [2670], [2671], [2672], [2673], [2675], [2676], [2747], [2748], [2749], [2815], [2816], [2827] [2019-10-03 02:40:42,185 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:40:42,185 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:40:42,317 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:40:42,319 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 154 root evaluator evaluations with a maximum evaluation depth of 0. Performed 154 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 268 variables. [2019-10-03 02:40:42,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:40:42,324 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:40:42,396 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:40:42,396 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:40:42,402 INFO L420 sIntCurrentIteration]: We unified 115 AI predicates to 115 [2019-10-03 02:40:42,403 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:40:42,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:40:42,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-10-03 02:40:42,404 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:40:42,412 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:40:42,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:40:42,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:40:42,421 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 2 states. [2019-10-03 02:40:42,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:40:42,436 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:40:42,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:40:42,438 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 116 [2019-10-03 02:40:42,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:40:42,445 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:40:42,445 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:40:42,448 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:40:42,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:40:42,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:40:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:40:42,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:40:42,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2019-10-03 02:40:42,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:40:42,480 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:40:42,480 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:40:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:40:42,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:40:42,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:40:42 BoogieIcfgContainer [2019-10-03 02:40:42,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:40:42,491 INFO L168 Benchmark]: Toolchain (without parser) took 5399.59 ms. Allocated memory was 136.8 MB in the beginning and 277.9 MB in the end (delta: 141.0 MB). Free memory was 81.7 MB in the beginning and 74.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 147.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:42,492 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:40:42,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1065.74 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 81.5 MB in the beginning and 143.9 MB in the end (delta: -62.4 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:42,496 INFO L168 Benchmark]: Boogie Preprocessor took 204.63 ms. Allocated memory is still 201.3 MB. Free memory was 143.9 MB in the beginning and 133.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:42,498 INFO L168 Benchmark]: RCFGBuilder took 3009.76 ms. Allocated memory was 201.3 MB in the beginning and 277.9 MB in the end (delta: 76.5 MB). Free memory was 132.7 MB in the beginning and 166.5 MB in the end (delta: -33.9 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:42,499 INFO L168 Benchmark]: TraceAbstraction took 1112.96 ms. Allocated memory is still 277.9 MB. Free memory was 166.5 MB in the beginning and 74.8 MB in the end (delta: 91.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:42,510 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1065.74 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 81.5 MB in the beginning and 143.9 MB in the end (delta: -62.4 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 204.63 ms. Allocated memory is still 201.3 MB. Free memory was 143.9 MB in the beginning and 133.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3009.76 ms. Allocated memory was 201.3 MB in the beginning and 277.9 MB in the end (delta: 76.5 MB). Free memory was 132.7 MB in the beginning and 166.5 MB in the end (delta: -33.9 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1112.96 ms. Allocated memory is still 277.9 MB. Free memory was 166.5 MB in the beginning and 74.8 MB in the end (delta: 91.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2735]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 77 procedures, 910 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=775occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.7739130434782608 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 13915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 16/19 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...