./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6cc861ca86011eb32ffd09a18c7045c0cb28e684d3b73d1659bc499a4213e84 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:56:08,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:56:08,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 22:56:08,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:56:08,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:56:08,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:56:08,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:56:08,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:56:08,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:56:08,915 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:56:08,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:56:08,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:56:08,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:56:08,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:56:08,916 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:56:08,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:56:08,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:56:08,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:56:08,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 22:56:08,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:56:08,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:56:08,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:56:08,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:56:08,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:56:08,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:56:08,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:56:08,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:56:08,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:56:08,924 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:56:08,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:56:08,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:56:08,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:56:08,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:08,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:56:08,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:56:08,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:56:08,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 22:56:08,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 22:56:08,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:56:08,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:56:08,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:56:08,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:56:08,927 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6cc861ca86011eb32ffd09a18c7045c0cb28e684d3b73d1659bc499a4213e84 [2024-11-09 22:56:09,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:56:09,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:56:09,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:56:09,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:56:09,189 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:56:09,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c [2024-11-09 22:56:10,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:56:10,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:56:10,730 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c [2024-11-09 22:56:10,747 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca9c8251/dc7983a2905447be802a0384c4c2d474/FLAG562a53309 [2024-11-09 22:56:10,760 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca9c8251/dc7983a2905447be802a0384c4c2d474 [2024-11-09 22:56:10,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:56:10,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:56:10,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:10,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:56:10,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:56:10,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:10" (1/1) ... [2024-11-09 22:56:10,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508345a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:10, skipping insertion in model container [2024-11-09 22:56:10,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:10" (1/1) ... [2024-11-09 22:56:10,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:56:11,164 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c[69987,70000] [2024-11-09 22:56:11,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:11,174 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:56:11,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-09 22:56:11,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [414] [2024-11-09 22:56:11,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [517] [2024-11-09 22:56:11,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [558] [2024-11-09 22:56:11,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [911] [2024-11-09 22:56:11,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [946] [2024-11-09 22:56:11,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [960] [2024-11-09 22:56:11,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1627] [2024-11-09 22:56:11,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3197] [2024-11-09 22:56:11,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3315] [2024-11-09 22:56:11,260 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c[69987,70000] [2024-11-09 22:56:11,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:11,284 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:56:11,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11 WrapperNode [2024-11-09 22:56:11,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:11,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:11,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:56:11,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:56:11,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,356 INFO L138 Inliner]: procedures = 93, calls = 339, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 1058 [2024-11-09 22:56:11,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:11,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:56:11,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:56:11,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:56:11,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,369 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,385 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-09 22:56:11,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,397 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:56:11,408 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:56:11,408 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:56:11,408 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:56:11,409 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (1/1) ... [2024-11-09 22:56:11,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:11,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:56:11,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 22:56:11,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 22:56:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:56:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:56:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:56:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-09 22:56:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-09 22:56:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2024-11-09 22:56:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2024-11-09 22:56:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:56:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:56:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-09 22:56:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-09 22:56:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:56:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:56:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-11-09 22:56:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-11-09 22:56:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:56:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:56:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:56:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:56:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:56:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:56:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2024-11-09 22:56:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2024-11-09 22:56:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:56:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:56:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:56:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:56:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:56:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:56:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-09 22:56:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-09 22:56:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:56:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:56:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:56:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:56:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:56:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:56:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:56:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:56:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:56:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:56:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 22:56:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 22:56:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 22:56:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 22:56:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 22:56:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 22:56:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 22:56:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 22:56:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 22:56:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 22:56:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 22:56:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 22:56:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 22:56:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 22:56:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 22:56:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 22:56:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 22:56:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 22:56:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 22:56:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 22:56:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:56:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:56:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:56:11,490 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:56:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:56:11,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:56:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:56:11,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:56:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:56:11,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:56:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2024-11-09 22:56:11,491 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2024-11-09 22:56:11,637 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:56:11,639 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:56:11,683 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3312: #res := ~retValue_acc~29; [2024-11-09 22:56:11,698 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3234: #res := ~retValue_acc~27; [2024-11-09 22:56:11,700 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1701: #res := ~retValue_acc~10; [2024-11-09 22:56:11,713 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1854: #res := ~retValue_acc~11; [2024-11-09 22:56:11,765 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2510: #res#1 := ~retValue_acc~21#1; [2024-11-09 22:56:11,765 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1897-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; [2024-11-09 22:56:11,790 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3185: #res := ~retValue_acc~25; [2024-11-09 22:56:12,131 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2391-1: stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1; [2024-11-09 22:56:12,131 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2420: #res#1 := ~retValue_acc~19#1; [2024-11-09 22:56:12,193 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2555: #res := ~retValue_acc~23; [2024-11-09 22:56:12,214 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3273: #res := ~retValue_acc~28; [2024-11-09 22:56:12,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2026-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; [2024-11-09 22:56:12,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2039-1: isIdle_#res#1 := isIdle_~retValue_acc~17#1; [2024-11-09 22:56:12,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3194-1: isExecutiveFloor_#res#1 := isExecutiveFloor_~retValue_acc~26#1; [2024-11-09 22:56:12,405 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1313: #res := ~retValue_acc~8; [2024-11-09 22:56:12,475 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L943-1: valid_product_#res#1 := valid_product_~retValue_acc~6#1; [2024-11-09 22:56:12,476 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L908-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-09 22:56:12,487 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1077: #res := ~retValue_acc~7; [2024-11-09 22:56:12,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1863: #res := ~retValue_acc~12; [2024-11-09 22:56:12,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1624: #res := ~retValue_acc~9; [2024-11-09 22:56:12,627 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2541-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; [2024-11-09 22:56:12,841 INFO L? ?]: Removed 464 outVars from TransFormulas that were not future-live. [2024-11-09 22:56:12,841 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:56:12,891 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:56:12,891 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:56:12,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:12 BoogieIcfgContainer [2024-11-09 22:56:12,891 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:56:12,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:56:12,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:56:12,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:56:12,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:56:10" (1/3) ... [2024-11-09 22:56:12,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71af0b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:12, skipping insertion in model container [2024-11-09 22:56:12,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:11" (2/3) ... [2024-11-09 22:56:12,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71af0b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:12, skipping insertion in model container [2024-11-09 22:56:12,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:12" (3/3) ... [2024-11-09 22:56:12,904 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product20.cil.c [2024-11-09 22:56:12,930 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:56:12,933 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:56:13,066 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:56:13,077 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6cbe0a20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:56:13,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:56:13,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 565 states, 441 states have (on average 1.6825396825396826) internal successors, (742), 459 states have internal predecessors, (742), 97 states have call successors, (97), 25 states have call predecessors, (97), 25 states have return successors, (97), 94 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-09 22:56:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 22:56:13,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:56:13,110 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:56:13,110 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:56:13,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:56:13,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1186530010, now seen corresponding path program 1 times [2024-11-09 22:56:13,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:56:13,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914780658] [2024-11-09 22:56:13,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:56:13,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:56:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:13,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:56:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:13,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:13,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:56:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:13,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 22:56:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:13,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 22:56:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:13,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:56:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:13,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 22:56:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:13,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 22:56:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 22:56:13,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:56:13,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914780658] [2024-11-09 22:56:13,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914780658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:56:13,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:56:13,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 22:56:13,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061632187] [2024-11-09 22:56:13,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:56:13,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 22:56:13,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:56:13,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 22:56:13,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 22:56:13,948 INFO L87 Difference]: Start difference. First operand has 565 states, 441 states have (on average 1.6825396825396826) internal successors, (742), 459 states have internal predecessors, (742), 97 states have call successors, (97), 25 states have call predecessors, (97), 25 states have return successors, (97), 94 states have call predecessors, (97), 97 states have call successors, (97) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 22:56:14,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 22:56:14,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 22:56:14,749 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 215 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 22:56:14,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 577 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 22:56:14,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 22:56:14,751 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 22:56:14,754 INFO L158 Benchmark]: Toolchain (without parser) took 3990.93ms. Allocated memory was 224.4MB in the beginning and 316.7MB in the end (delta: 92.3MB). Free memory was 193.7MB in the beginning and 174.6MB in the end (delta: 19.1MB). Peak memory consumption was 140.9MB. Max. memory is 16.1GB. [2024-11-09 22:56:14,754 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory was 100.6MB in the beginning and 100.6MB in the end (delta: 12.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:56:14,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.29ms. Allocated memory is still 224.4MB. Free memory was 193.5MB in the beginning and 151.7MB in the end (delta: 41.8MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-09 22:56:14,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.29ms. Allocated memory is still 224.4MB. Free memory was 151.7MB in the beginning and 146.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 22:56:14,755 INFO L158 Benchmark]: Boogie Preprocessor took 50.98ms. Allocated memory is still 224.4MB. Free memory was 146.5MB in the beginning and 140.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:14,755 INFO L158 Benchmark]: IcfgBuilder took 1483.14ms. Allocated memory is still 224.4MB. Free memory was 140.2MB in the beginning and 107.2MB in the end (delta: 33.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 22:56:14,756 INFO L158 Benchmark]: TraceAbstraction took 1860.64ms. Allocated memory was 224.4MB in the beginning and 316.7MB in the end (delta: 92.3MB). Free memory was 106.2MB in the beginning and 174.6MB in the end (delta: -68.5MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:14,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory was 100.6MB in the beginning and 100.6MB in the end (delta: 12.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.29ms. Allocated memory is still 224.4MB. Free memory was 193.5MB in the beginning and 151.7MB in the end (delta: 41.8MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.29ms. Allocated memory is still 224.4MB. Free memory was 151.7MB in the beginning and 146.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.98ms. Allocated memory is still 224.4MB. Free memory was 146.5MB in the beginning and 140.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1483.14ms. Allocated memory is still 224.4MB. Free memory was 140.2MB in the beginning and 107.2MB in the end (delta: 33.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1860.64ms. Allocated memory was 224.4MB in the beginning and 316.7MB in the end (delta: 92.3MB). Free memory was 106.2MB in the beginning and 174.6MB in the end (delta: -68.5MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] - GenericResultAtLocation [Line: 414]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [414] - GenericResultAtLocation [Line: 517]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [517] - GenericResultAtLocation [Line: 558]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [558] - GenericResultAtLocation [Line: 911]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [911] - GenericResultAtLocation [Line: 946]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [946] - GenericResultAtLocation [Line: 960]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [960] - GenericResultAtLocation [Line: 1627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1627] - GenericResultAtLocation [Line: 3197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3197] - GenericResultAtLocation [Line: 3315]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3315] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 22:56:14,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6cc861ca86011eb32ffd09a18c7045c0cb28e684d3b73d1659bc499a4213e84 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:56:16,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:56:16,821 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 22:56:16,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:56:16,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:56:16,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:56:16,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:56:16,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:56:16,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:56:16,851 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:56:16,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:56:16,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:56:16,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:56:16,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:56:16,852 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:56:16,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:56:16,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:56:16,855 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:56:16,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:56:16,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:56:16,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:56:16,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:56:16,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:56:16,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 22:56:16,856 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 22:56:16,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:56:16,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 22:56:16,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:56:16,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:56:16,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:56:16,857 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:56:16,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:56:16,857 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:56:16,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:56:16,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:16,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:56:16,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:56:16,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:56:16,858 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 22:56:16,858 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 22:56:16,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:56:16,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:56:16,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:56:16,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:56:16,862 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6cc861ca86011eb32ffd09a18c7045c0cb28e684d3b73d1659bc499a4213e84 [2024-11-09 22:56:17,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:56:17,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:56:17,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:56:17,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:56:17,099 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:56:17,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c [2024-11-09 22:56:18,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:56:18,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:56:18,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c [2024-11-09 22:56:18,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645d26b54/46a1327660d64e9694b2acad0254e426/FLAG4f33329a2 [2024-11-09 22:56:18,934 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645d26b54/46a1327660d64e9694b2acad0254e426 [2024-11-09 22:56:18,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:56:18,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:56:18,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:18,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:56:18,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:56:18,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:18" (1/1) ... [2024-11-09 22:56:18,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6098912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:18, skipping insertion in model container [2024-11-09 22:56:18,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:56:18" (1/1) ... [2024-11-09 22:56:19,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:56:19,136 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:56:19,141 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:56:19,150 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:56:19,159 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:56:19,164 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:56:19,179 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:56:19,180 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:56:19,183 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:56:19,186 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:56:19,337 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c[69987,70000] [2024-11-09 22:56:19,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:19,353 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:56:19,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-09 22:56:19,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [414] [2024-11-09 22:56:19,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [517] [2024-11-09 22:56:19,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [558] [2024-11-09 22:56:19,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [911] [2024-11-09 22:56:19,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [946] [2024-11-09 22:56:19,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [960] [2024-11-09 22:56:19,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1627] [2024-11-09 22:56:19,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3197] [2024-11-09 22:56:19,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3315] [2024-11-09 22:56:19,487 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product20.cil.c[69987,70000] [2024-11-09 22:56:19,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:56:19,518 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:56:19,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19 WrapperNode [2024-11-09 22:56:19,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:56:19,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:19,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:56:19,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:56:19,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,619 INFO L138 Inliner]: procedures = 95, calls = 339, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 999 [2024-11-09 22:56:19,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:56:19,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:56:19,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:56:19,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:56:19,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,644 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,671 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 4, 2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-09 22:56:19,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,694 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:56:19,719 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:56:19,719 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:56:19,719 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:56:19,720 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (1/1) ... [2024-11-09 22:56:19,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:56:19,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:56:19,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 22:56:19,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 22:56:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:56:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2024-11-09 22:56:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2024-11-09 22:56:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-09 22:56:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-09 22:56:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2024-11-09 22:56:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2024-11-09 22:56:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:56:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:56:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2024-11-09 22:56:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2024-11-09 22:56:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:56:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:56:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2024-11-09 22:56:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2024-11-09 22:56:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:56:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:56:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:56:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:56:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:56:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:56:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2024-11-09 22:56:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2024-11-09 22:56:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:56:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:56:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:56:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:56:19,807 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:56:19,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:56:19,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 22:56:19,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-09 22:56:19,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-09 22:56:19,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-09 22:56:19,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-09 22:56:19,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-09 22:56:19,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-09 22:56:19,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-09 22:56:19,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-09 22:56:19,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-09 22:56:19,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-09 22:56:19,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-09 22:56:19,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-09 22:56:19,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-09 22:56:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-09 22:56:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-09 22:56:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-09 22:56:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2024-11-09 22:56:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2024-11-09 22:56:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2024-11-09 22:56:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2024-11-09 22:56:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2024-11-09 22:56:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:56:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:56:19,812 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:56:19,812 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:56:19,812 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:56:19,812 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:56:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:56:19,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:56:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:56:19,813 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:56:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:56:19,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:56:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:56:19,813 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:56:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:56:19,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:56:19,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:56:19,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:56:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:56:19,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:56:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2024-11-09 22:56:19,815 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2024-11-09 22:56:20,009 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:56:20,013 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:56:20,073 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3312: #res := ~retValue_acc~29; [2024-11-09 22:56:20,091 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3234: #res := ~retValue_acc~27; [2024-11-09 22:56:20,094 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1701: #res := ~retValue_acc~10; [2024-11-09 22:56:20,101 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1854: #res := ~retValue_acc~11; [2024-11-09 22:56:20,149 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2510: #res#1 := ~retValue_acc~21#1; [2024-11-09 22:56:20,149 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1897-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; [2024-11-09 22:56:20,182 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3185: #res := ~retValue_acc~25; [2024-11-09 22:56:20,520 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2391-1: stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1; [2024-11-09 22:56:20,520 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2420: #res#1 := ~retValue_acc~19#1; [2024-11-09 22:56:20,606 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2555: #res := ~retValue_acc~23; [2024-11-09 22:56:20,623 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3273: #res := ~retValue_acc~28; [2024-11-09 22:56:20,789 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2026-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; [2024-11-09 22:56:20,789 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2039-1: isIdle_#res#1 := isIdle_~retValue_acc~17#1; [2024-11-09 22:56:20,823 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3194-1: isExecutiveFloor_#res#1 := isExecutiveFloor_~retValue_acc~26#1; [2024-11-09 22:56:20,933 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1313: #res := ~retValue_acc~8; [2024-11-09 22:56:21,108 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L943-1: valid_product_#res#1 := valid_product_~retValue_acc~6#1; [2024-11-09 22:56:21,108 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L908-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-09 22:56:21,136 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1077: #res := ~retValue_acc~7; [2024-11-09 22:56:21,138 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1863: #res := ~retValue_acc~12; [2024-11-09 22:56:21,144 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1624: #res := ~retValue_acc~9; [2024-11-09 22:56:21,278 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2541-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; [2024-11-09 22:56:21,515 INFO L? ?]: Removed 464 outVars from TransFormulas that were not future-live. [2024-11-09 22:56:21,515 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:56:21,532 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:56:21,532 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:56:21,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:21 BoogieIcfgContainer [2024-11-09 22:56:21,532 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:56:21,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:56:21,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:56:21,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:56:21,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:56:18" (1/3) ... [2024-11-09 22:56:21,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe98a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:21, skipping insertion in model container [2024-11-09 22:56:21,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:56:19" (2/3) ... [2024-11-09 22:56:21,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe98a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:56:21, skipping insertion in model container [2024-11-09 22:56:21,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:56:21" (3/3) ... [2024-11-09 22:56:21,538 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product20.cil.c [2024-11-09 22:56:21,548 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:56:21,549 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:56:21,668 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:56:21,675 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@22a9ac3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:56:21,679 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:56:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 565 states, 441 states have (on average 1.6825396825396826) internal successors, (742), 459 states have internal predecessors, (742), 97 states have call successors, (97), 25 states have call predecessors, (97), 25 states have return successors, (97), 94 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-09 22:56:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 22:56:21,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:56:21,697 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:56:21,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:56:21,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:56:21,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1186530010, now seen corresponding path program 1 times [2024-11-09 22:56:21,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 22:56:21,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [914857765] [2024-11-09 22:56:21,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:56:21,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 22:56:21,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 22:56:21,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 22:56:21,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 22:56:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:56:21,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 22:56:21,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:56:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 22:56:21,998 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:56:21,999 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 22:56:21,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [914857765] [2024-11-09 22:56:21,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [914857765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:56:22,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:56:22,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 22:56:22,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714194661] [2024-11-09 22:56:22,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:56:22,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 22:56:22,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 22:56:22,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 22:56:22,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 22:56:22,023 INFO L87 Difference]: Start difference. First operand has 565 states, 441 states have (on average 1.6825396825396826) internal successors, (742), 459 states have internal predecessors, (742), 97 states have call successors, (97), 25 states have call predecessors, (97), 25 states have return successors, (97), 94 states have call predecessors, (97), 97 states have call successors, (97) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 22:56:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 22:56:22,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 22:56:22,100 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 5 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:56:22,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 836 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:56:22,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 22:56:22,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 22:56:22,303 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 22:56:22,307 INFO L158 Benchmark]: Toolchain (without parser) took 3370.14ms. Allocated memory was 83.9MB in the beginning and 136.3MB in the end (delta: 52.4MB). Free memory was 45.4MB in the beginning and 56.4MB in the end (delta: -11.0MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-11-09 22:56:22,307 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:56:22,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.48ms. Allocated memory was 83.9MB in the beginning and 136.3MB in the end (delta: 52.4MB). Free memory was 45.2MB in the beginning and 100.8MB in the end (delta: -55.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-09 22:56:22,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.12ms. Allocated memory is still 136.3MB. Free memory was 100.8MB in the beginning and 95.3MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 22:56:22,308 INFO L158 Benchmark]: Boogie Preprocessor took 95.40ms. Allocated memory is still 136.3MB. Free memory was 95.3MB in the beginning and 89.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:22,309 INFO L158 Benchmark]: IcfgBuilder took 1813.59ms. Allocated memory is still 136.3MB. Free memory was 89.0MB in the beginning and 55.5MB in the end (delta: 33.5MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-09 22:56:22,309 INFO L158 Benchmark]: TraceAbstraction took 773.18ms. Allocated memory is still 136.3MB. Free memory was 55.5MB in the beginning and 56.4MB in the end (delta: -883.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:56:22,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.48ms. Allocated memory was 83.9MB in the beginning and 136.3MB in the end (delta: 52.4MB). Free memory was 45.2MB in the beginning and 100.8MB in the end (delta: -55.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.12ms. Allocated memory is still 136.3MB. Free memory was 100.8MB in the beginning and 95.3MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.40ms. Allocated memory is still 136.3MB. Free memory was 95.3MB in the beginning and 89.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1813.59ms. Allocated memory is still 136.3MB. Free memory was 89.0MB in the beginning and 55.5MB in the end (delta: 33.5MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * TraceAbstraction took 773.18ms. Allocated memory is still 136.3MB. Free memory was 55.5MB in the beginning and 56.4MB in the end (delta: -883.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] - GenericResultAtLocation [Line: 414]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [414] - GenericResultAtLocation [Line: 517]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [517] - GenericResultAtLocation [Line: 558]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [558] - GenericResultAtLocation [Line: 911]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [911] - GenericResultAtLocation [Line: 946]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [946] - GenericResultAtLocation [Line: 960]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [960] - GenericResultAtLocation [Line: 1627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1627] - GenericResultAtLocation [Line: 3197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3197] - GenericResultAtLocation [Line: 3315]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3315] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 22:56:22,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null