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_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:40:47,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:40:47,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:40:47,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:40:47,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:40:47,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:40:47,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:40:47,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:40:47,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:40:47,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:40:47,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:40:47,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:40:47,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:40:47,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:40:47,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:40:47,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:40:47,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:40:47,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:40:47,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:40:47,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:40:47,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:40:47,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:40:47,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:40:47,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:40:47,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:40:47,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:40:47,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:40:47,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:40:47,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:40:47,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:40:47,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:40:47,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:40:47,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:40:47,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:40:47,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:40:47,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:40:47,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:40:47,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:40:47,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:40:47,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:40:47,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:40:47,428 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 02:40:47,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:40:47,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:40:47,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:40:47,455 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:40:47,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:40:47,456 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:40:47,456 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:40:47,456 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:40:47,456 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:40:47,456 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:40:47,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:40:47,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:40:47,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:40:47,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:40:47,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:40:47,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:40:47,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:40:47,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:40:47,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:40:47,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:40:47,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:40:47,461 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:40:47,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:40:47,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:40:47,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:40:47,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:40:47,462 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:40:47,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:40:47,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:40:47,463 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:40:47,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:40:47,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:40:47,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:40:47,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:40:47,536 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:40:47,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_productSimulator.cil.c [2019-10-03 02:40:47,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1aef4eb1/f3c6aba6f9324180bfe999b6e08a3528/FLAGbea19d1b9 [2019-10-03 02:40:48,208 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:40:48,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_productSimulator.cil.c [2019-10-03 02:40:48,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1aef4eb1/f3c6aba6f9324180bfe999b6e08a3528/FLAGbea19d1b9 [2019-10-03 02:40:48,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1aef4eb1/f3c6aba6f9324180bfe999b6e08a3528 [2019-10-03 02:40:48,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:40:48,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:40:48,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:40:48,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:40:48,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:40:48,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:40:48" (1/1) ... [2019-10-03 02:40:48,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aceb178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:48, skipping insertion in model container [2019-10-03 02:40:48,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:40:48" (1/1) ... [2019-10-03 02:40:48,444 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:40:48,512 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:40:49,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:40:49,331 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:40:49,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:40:49,524 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:40:49,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:49 WrapperNode [2019-10-03 02:40:49,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:40:49,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:40:49,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:40:49,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:40:49,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:49" (1/1) ... [2019-10-03 02:40:49,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:49" (1/1) ... [2019-10-03 02:40:49,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:49" (1/1) ... [2019-10-03 02:40:49,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:49" (1/1) ... [2019-10-03 02:40:49,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:49" (1/1) ... [2019-10-03 02:40:49,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:49" (1/1) ... [2019-10-03 02:40:49,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:49" (1/1) ... [2019-10-03 02:40:49,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:40:49,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:40:49,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:40:49,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:40:49,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:49" (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 02:40:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:40:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:40:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:40:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:40:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:40:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:40:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:40:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:40:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:40:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:40:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:40:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:40:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:40:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:40:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:40:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-03 02:40:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-03 02:40:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-03 02:40:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-03 02:40:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-03 02:40:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-03 02:40:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-03 02:40:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-03 02:40:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-03 02:40:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-03 02:40:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-03 02:40:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-03 02:40:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-03 02:40:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-03 02:40:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2019-10-03 02:40:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2019-10-03 02:40:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-03 02:40:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2019-10-03 02:40:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2019-10-03 02:40:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-03 02:40:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2019-10-03 02:40:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2019-10-03 02:40:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2019-10-03 02:40:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2019-10-03 02:40:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-03 02:40:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-03 02:40:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-03 02:40:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-03 02:40:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-03 02:40:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-03 02:40:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-03 02:40:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-03 02:40:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-03 02:40:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-03 02:40:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2019-10-03 02:40:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2019-10-03 02:40:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2019-10-03 02:40:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2019-10-03 02:40:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-03 02:40:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-03 02:40:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-03 02:40:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-10-03 02:40:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-10-03 02:40:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-10-03 02:40:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-10-03 02:40:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-03 02:40:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-03 02:40:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-03 02:40:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2019-10-03 02:40:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2019-10-03 02:40:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:40:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2019-10-03 02:40:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2019-10-03 02:40:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-03 02:40:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-03 02:40:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-03 02:40:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-03 02:40:49,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-03 02:40:49,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-03 02:40:49,871 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-03 02:40:49,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-03 02:40:49,871 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-03 02:40:49,871 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-03 02:40:49,871 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-03 02:40:49,872 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-03 02:40:49,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-03 02:40:49,872 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-03 02:40:49,872 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:40:49,872 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-03 02:40:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-03 02:40:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-03 02:40:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:40:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-03 02:40:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:40:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:40:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:40:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-03 02:40:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-03 02:40:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-03 02:40:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:40:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:40:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:40:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:40:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:40:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:40:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:40:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:40:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:40:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:40:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:40:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:40:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:40:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:40:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:40:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:40:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:40:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:40:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:40:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:40:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:40:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:40:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:40:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:40:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-03 02:40:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-03 02:40:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:40:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:40:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-03 02:40:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-03 02:40:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-03 02:40:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-03 02:40:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-03 02:40:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-03 02:40:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-03 02:40:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-03 02:40:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-03 02:40:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-03 02:40:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-03 02:40:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-03 02:40:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-03 02:40:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-03 02:40:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:40:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-03 02:40:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-03 02:40:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-03 02:40:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:40:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-03 02:40:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-03 02:40:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-03 02:40:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-03 02:40:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-03 02:40:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-03 02:40:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-03 02:40:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-03 02:40:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-03 02:40:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-03 02:40:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2019-10-03 02:40:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2019-10-03 02:40:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2019-10-03 02:40:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2019-10-03 02:40:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2019-10-03 02:40:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2019-10-03 02:40:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2019-10-03 02:40:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2019-10-03 02:40:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-03 02:40:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-03 02:40:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-03 02:40:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-03 02:40:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-03 02:40:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2019-10-03 02:40:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2019-10-03 02:40:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2019-10-03 02:40:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2019-10-03 02:40:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-03 02:40:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-03 02:40:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-10-03 02:40:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-10-03 02:40:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-10-03 02:40:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-10-03 02:40:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-03 02:40:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-03 02:40:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-03 02:40:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2019-10-03 02:40:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2019-10-03 02:40:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2019-10-03 02:40:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2019-10-03 02:40:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-03 02:40:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-03 02:40:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-03 02:40:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-03 02:40:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 02:40:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-03 02:40:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-03 02:40:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-03 02:40:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-03 02:40:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-03 02:40:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-03 02:40:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-03 02:40:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-03 02:40:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-03 02:40:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:40:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-03 02:40:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:40:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:40:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:40:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:40:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:40:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:40:52,029 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:40:52,029 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-03 02:40:52,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:40:52 BoogieIcfgContainer [2019-10-03 02:40:52,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:40:52,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:40:52,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:40:52,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:40:52,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:40:48" (1/3) ... [2019-10-03 02:40:52,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce77b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:40:52, skipping insertion in model container [2019-10-03 02:40:52,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:49" (2/3) ... [2019-10-03 02:40:52,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce77b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:40:52, skipping insertion in model container [2019-10-03 02:40:52,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:40:52" (3/3) ... [2019-10-03 02:40:52,042 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_productSimulator.cil.c [2019-10-03 02:40:52,052 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:40:52,064 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:40:52,081 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:40:52,115 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:40:52,115 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:40:52,116 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:40:52,116 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:40:52,116 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:40:52,116 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:40:52,116 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:40:52,116 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:40:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states. [2019-10-03 02:40:52,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-03 02:40:52,206 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:40:52,207 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 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, 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 02:40:52,210 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:40:52,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:40:52,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1052026056, now seen corresponding path program 1 times [2019-10-03 02:40:52,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:40:52,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:40:52,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:40:52,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:40:52,290 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:40:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:40:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-03 02:40:52,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:40:52,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:40:52,972 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:40:52,979 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:40:52,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:40:52,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:40:52,997 INFO L87 Difference]: Start difference. First operand 927 states. Second operand 6 states. [2019-10-03 02:40:53,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:40:53,172 INFO L93 Difference]: Finished difference Result 778 states and 1195 transitions. [2019-10-03 02:40:53,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:40:53,174 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2019-10-03 02:40:53,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:40:53,206 INFO L225 Difference]: With dead ends: 778 [2019-10-03 02:40:53,207 INFO L226 Difference]: Without dead ends: 761 [2019-10-03 02:40:53,209 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:40:53,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2019-10-03 02:40:53,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 761. [2019-10-03 02:40:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2019-10-03 02:40:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1174 transitions. [2019-10-03 02:40:53,323 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1174 transitions. Word has length 150 [2019-10-03 02:40:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:40:53,325 INFO L475 AbstractCegarLoop]: Abstraction has 761 states and 1174 transitions. [2019-10-03 02:40:53,325 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:40:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1174 transitions. [2019-10-03 02:40:53,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-03 02:40:53,330 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:40:53,331 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 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 02:40:53,331 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:40:53,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:40:53,331 INFO L82 PathProgramCache]: Analyzing trace with hash 716196849, now seen corresponding path program 1 times [2019-10-03 02:40:53,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:40:53,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:40:53,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:40:53,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:40:53,336 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:40:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:40:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-03 02:40:53,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:40:53,622 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:40:53,623 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2019-10-03 02:40:53,625 INFO L207 CegarAbsIntRunner]: [213], [215], [218], [221], [230], [231], [233], [235], [269], [271], [273], [275], [277], [279], [280], [706], [712], [860], [861], [994], [995], [1205], [1207], [1209], [1236], [1239], [1248], [1257], [1267], [1268], [1341], [1345], [1348], [1395], [1531], [1533], [1542], [1544], [1557], [1570], [1599], [1600], [1601], [1649], [1650], [1728], [1731], [1734], [1911], [1930], [1934], [1958], [2147], [2150], [2172], [2244], [2245], [2458], [2487], [2489], [2508], [2528], [2548], [2568], [2588], [2590], [2595], [2625], [2626], [2627], [2630], [2654], [2669], [2670], [2675], [2676], [2677], [2678], [2707], [2708], [2709], [2710], [2711], [2712], [2713], [2714], [2715], [2716], [2769], [2770], [2771], [2772], [2917], [2918], [2919], [2920], [2953], [2954], [2955], [2956], [2957], [2958], [2959], [2960], [2961], [2973], [2974], [2975], [2976], [2977], [2978], [3023], [3024], [3055], [3056], [3067], [3068], [3069], [3070], [3071], [3072], [3073], [3095], [3096], [3097], [3101], [3102], [3113] [2019-10-03 02:40:53,709 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:40:53,710 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:40:53,840 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:40:53,842 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 284 variables. [2019-10-03 02:40:53,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:40:53,846 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:40:53,937 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:40:53,937 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:40:53,944 INFO L420 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2019-10-03 02:40:53,945 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:40:53,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:40:53,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-10-03 02:40:53,946 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:40:53,949 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:40:53,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:40:53,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:40:53,950 INFO L87 Difference]: Start difference. First operand 761 states and 1174 transitions. Second operand 2 states. [2019-10-03 02:40:53,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:40:53,951 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:40:53,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:40:53,951 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 153 [2019-10-03 02:40:53,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:40:53,952 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:40:53,952 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:40:53,952 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 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 02:40:53,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:40:53,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:40:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:40:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:40:53,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2019-10-03 02:40:53,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:40:53,955 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:40:53,955 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:40:53,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:40:53,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:40:53,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:40:53 BoogieIcfgContainer [2019-10-03 02:40:53,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:40:53,965 INFO L168 Benchmark]: Toolchain (without parser) took 5536.82 ms. Allocated memory was 138.9 MB in the beginning and 270.0 MB in the end (delta: 131.1 MB). Free memory was 83.0 MB in the beginning and 65.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 148.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:53,966 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-03 02:40:53,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1096.97 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 82.8 MB in the beginning and 130.3 MB in the end (delta: -47.5 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:53,970 INFO L168 Benchmark]: Boogie Preprocessor took 244.64 ms. Allocated memory is still 200.3 MB. Free memory was 130.3 MB in the beginning and 120.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:53,971 INFO L168 Benchmark]: RCFGBuilder took 2261.35 ms. Allocated memory was 200.3 MB in the beginning and 271.1 MB in the end (delta: 70.8 MB). Free memory was 120.1 MB in the beginning and 116.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:53,973 INFO L168 Benchmark]: TraceAbstraction took 1928.96 ms. Allocated memory was 271.1 MB in the beginning and 270.0 MB in the end (delta: -1.0 MB). Free memory was 116.2 MB in the beginning and 65.2 MB in the end (delta: 50.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:53,982 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1096.97 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 82.8 MB in the beginning and 130.3 MB in the end (delta: -47.5 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 244.64 ms. Allocated memory is still 200.3 MB. Free memory was 130.3 MB in the beginning and 120.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2261.35 ms. Allocated memory was 200.3 MB in the beginning and 271.1 MB in the end (delta: 70.8 MB). Free memory was 120.1 MB in the beginning and 116.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1928.96 ms. Allocated memory was 271.1 MB in the beginning and 270.0 MB in the end (delta: -1.0 MB). Free memory was 116.2 MB in the beginning and 65.2 MB in the end (delta: 50.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 487]: 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 94 procedures, 1054 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 2 OverallIterations, 5 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1185 SDtfs, 5 SDslu, 4729 SDs, 0 SdLazy, 18 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=927occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.5986842105263157 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 303 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 47707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 95/98 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...